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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

1,3-Phenylenediamine-4-sulfonic acid Manufacturer/High quality/Best price/In stock

Cas:88-63-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 2,4-diaminobenzenesulphonic acid

Cas:88-63-1

Min.Order:1

Negotiable

Type:Other

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Meta Phenylene Diamine 4 Sulfonic Acid Free Acid

Cas:88-63-1

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

m-Phenylenediamine-4-sulfonic acid

Cas:88-63-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Leader Biochemical Group

About Product Details

China Biggest factory Supply High Quality 2,4-Diaminobenzenesulfonic acid CAS 88-63-1

Cas:88-63-1

Min.Order:1 Kilogram

FOB Price: $1.0 / 5.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

2,4-Diaminobenzenesulfonic acid Basic information Product Name: 2,4-Diaminobenzenesulfonic acid Synonyms: O-AMINOSULFANILIC ACID;3-Phenylenediamino-4-sulfonic acid;

TIANFU-CHEM 2,4-Diaminobenzenesulfonic acid 88-63-1

Cas:88-63-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

2,4-Diaminobenzenesulfonic acid 88-63-1

Cas:88-63-1

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Wholesale price CAS 88-63-1 with best price

Cas:88-63-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

1,3-Phenylenediamine-4-sulfonic acid 88-63-1

Cas:88-63-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

2,4-Diaminobenzenesulfonic acid CAS:88-63-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality orga

2,4-Diaminobenzenesulfonic acid CAS:88-63-1

Cas:88-63-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

1,3-Phenylenediamine-4-sulfonic acid

Cas:88-63-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:88-63-1

Cas:88-63-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:1 Kilogram

FOB Price: $50.0 / 100.0

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:0

Negotiable

Type:Manufacturers

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

88-63-1 2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products 2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:100 Gram

Negotiable

Type:Other

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

m-Phenylenediamine-4-sulfonic acid

Cas:88-63-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

88-63-1 2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

supplier in China Appearance:brown crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:Used as dye intermediates Transportation:by

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: 2,4-Diaminobenzenesulfonic Acid CAS No.: 88-63-1 Molecule Formula:C6H7N2O3S Molecule Weight:187.20 Purity: 99.0% Package: 25kg/drum Description:Light white powder Manufacture Standards:Enterprise Standard TESTING IT

Lower Price 2,4-Diaminobenzenesulfonic Acid on stock

Cas:88-63-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Product Name: 2,4-Diaminobenzenesulfonic acid Synonyms: O-AMINOSULFANILIC ACID;3-Phenylenediamino-4-sulfonic acid;1,3-Phenylendiamin-4-sulfonsure;META PHENYLENE DIAMINE 4-SULFONIC ACID;3-AMINO-4-SULFOANILINE;2,4-DIAMINOBENZENE

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

2,4-Diaminobenzenesulfonicacid

Cas:88-63-1

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

88-63-1 2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

2,4-diaminobenzenesulfonic Acid

Cas:88-63-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

2,4-Diaminobenzenesulfonic acid

Cas:88-63-1

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Synthetic route

5-aminobenzothiazole
1123-93-9

5-aminobenzothiazole

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
With [RuCl(P(C6H5)3)2(O(C6H4)NCH(C4H3N))]; bromamine B; sodium hydroxide In water; acetonitrile at 39.84℃; for 4.41667h;96%
With chloramine-B; sodium hydroxide; palladium dichloride In water; acetonitrile at 80℃; pH=12;86%
m-phenylenediamine
108-45-2

m-phenylenediamine

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
With sulfur trioxide In 1,2-dichloro-ethane at 20 - 60℃; for 10h; Solvent; Temperature;95.96%
With sulfuric acid at 160℃;
With sulfuric acid
2,4-dinitrobenzenesulfonic acid
89-02-1

2,4-dinitrobenzenesulfonic acid

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
Stage #1: 2,4-dinitrobenzenesulfonic acid With hydrogenchloride In water at 95 - 100℃; pH=2;
Stage #2: In water pH=7; Product distribution / selectivity;
60%
meta-dinitrobenzene
99-65-0

meta-dinitrobenzene

sodium hydrogensulfite

sodium hydrogensulfite

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
large excess of NaHSO3;10%
large excess of NaHSO3;10%
3-nitroaniline-6-sulphonic acid
24311-40-8

3-nitroaniline-6-sulphonic acid

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; tin
With hydrogenchloride; tin
4-amino-2-nitrobenzene sulfonic acid
712-24-3

4-amino-2-nitrobenzene sulfonic acid

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 170℃; im geschlossenen Rohr;
meta-dinitrobenzene
99-65-0

meta-dinitrobenzene

aqueous NaHSO3-solution

aqueous NaHSO3-solution

A

4-amino-2-nitrobenzene sulfonic acid
712-24-3

4-amino-2-nitrobenzene sulfonic acid

B

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
anschliessendes Behandeln mit H2SO4;
2,4-dinitrobenzenesulfonic acid
89-02-1

2,4-dinitrobenzenesulfonic acid

acetic acid
64-19-7

acetic acid

iron

iron

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

hydrogenchloride
7647-01-0

hydrogenchloride

2,4-dinitrobenzenesulfonic acid
89-02-1

2,4-dinitrobenzenesulfonic acid

tin dichloride

tin dichloride

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

2.4-dinitro-benzene-sulfonic acid-(1)

2.4-dinitro-benzene-sulfonic acid-(1)

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; tin(ll) chloride
With iron; acetic acid
sodium salt of/the/ 2.4-dinitro-benzene-sulfonic acid-(1)

sodium salt of/the/ 2.4-dinitro-benzene-sulfonic acid-(1)

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; iron
3-nitro-aniline
99-09-2

3-nitro-aniline

p-tert-octylphenoxy polyoxyethanol (TX-100)

p-tert-octylphenoxy polyoxyethanol (TX-100)

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid / 1 h / 160 °C
2: Sn; conc. HCl
View Scheme
3-nitro-aniline
99-09-2

3-nitro-aniline

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: fuming sulfuric acid / 160 °C
2: tin; hydrochloric acid
View Scheme

3-aminobenzenesulfonic acid
121-47-1

3-aminobenzenesulfonic acid

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

4-amino-2-(N-methylamino)benzenesulfonic acid
123848-64-6

4-amino-2-(N-methylamino)benzenesulfonic acid

3-(3-methylimidazol-1-ylium)-4-methyl-6-hydroxypyrid-2-one hydrochloride

3-(3-methylimidazol-1-ylium)-4-methyl-6-hydroxypyrid-2-one hydrochloride

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate; hydrogenchloride In ice-water
1-chloro-2,4-dinitro-benzene
97-00-7

1-chloro-2,4-dinitro-benzene

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: ethanol; water; sodium sulfite
View Scheme
1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Na(1+)*C23H20N3O8S2(1-)

Na(1+)*C23H20N3O8S2(1-)

p-toluidine
106-49-0

p-toluidine

C38H28ClN10O11S3(3-)*3Na(1+)

C38H28ClN10O11S3(3-)*3Na(1+)

Conditions
ConditionsYield
Stage #1: 1,3,5-trichloro-2,4,6-triazine; Na(1+)*C23H20N3O8S2(1-) at 0 - 5℃; for 4h; pH=4 - 6.5;
Stage #2: 2,4-Diaminobenzenesulfonic acid at 5 - 30℃; pH=2.5 - 3.5;
Stage #3: p-toluidine Further stages;
86.29%
1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Na(1+)*C23H20N3O8S2(1-)

Na(1+)*C23H20N3O8S2(1-)

aniline
62-53-3

aniline

C38H28ClN10O11S3(3-)*3Na(1+)

C38H28ClN10O11S3(3-)*3Na(1+)

Conditions
ConditionsYield
Stage #1: 1,3,5-trichloro-2,4,6-triazine; Na(1+)*C23H20N3O8S2(1-) at 0 - 5℃; for 4h; pH=4 - 6.5;
Stage #2: 2,4-Diaminobenzenesulfonic acid at 5 - 30℃; pH=2.5 - 3.5;
Stage #3: aniline Further stages;
85.02%
1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Na(1+)*C23H20N3O8S2(1-)

Na(1+)*C23H20N3O8S2(1-)

4-aminobenzene sulfonic acid
121-57-3

4-aminobenzene sulfonic acid

C38H27ClN10O14S4(4-)*4Na(1+)

C38H27ClN10O14S4(4-)*4Na(1+)

Conditions
ConditionsYield
Stage #1: 1,3,5-trichloro-2,4,6-triazine; Na(1+)*C23H20N3O8S2(1-) at 0 - 5℃; for 4h; pH=4 - 4.5;
Stage #2: 2,4-Diaminobenzenesulfonic acid at 5 - 30℃; pH=2.5 - 3.5;
Stage #3: 4-aminobenzene sulfonic acid Further stages;
84.67%
2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate
2494-89-5

2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate

1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

Na(1+)*C23H20N3O8S2(1-)

Na(1+)*C23H20N3O8S2(1-)

C40H31ClN10O17S5(4-)*4Na(1+)

C40H31ClN10O17S5(4-)*4Na(1+)

Conditions
ConditionsYield
Stage #1: 1,3,5-trichloro-2,4,6-triazine; Na(1+)*C23H20N3O8S2(1-) at 0 - 5℃; for 4h; pH=4 - 6.5;
Stage #2: 2,4-Diaminobenzenesulfonic acid at 5 - 30℃; pH=2.5 - 3.5;
Stage #3: 2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate Further stages;
82.14%
3-(β-chloroethylsulfonyl)-methyl-benzoyl chloride
81922-32-9

3-(β-chloroethylsulfonyl)-methyl-benzoyl chloride

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

sodium salt of 3-[3'-(β-chloroethylsulfonyl-methyl)-benzoylamino]-aniline-4-sulfonic acid

sodium salt of 3-[3'-(β-chloroethylsulfonyl-methyl)-benzoylamino]-aniline-4-sulfonic acid

Conditions
ConditionsYield
In diethylene glycol dimethyl ether82%
2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate
2494-89-5

2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate

1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

2-amino-1-benzenesulfonic acid
88-21-1

2-amino-1-benzenesulfonic acid

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

H-acid

H-acid

C43H26ClN12O26S8(7-)*7Na(1+)

C43H26ClN12O26S8(7-)*7Na(1+)

Conditions
ConditionsYield
Stage #1: 1,3,5-trichloro-2,4,6-triazine; H-acid With sodium carbonate; sodium hydroxide In water at 0 - 5℃; for 4.6h; pH=4.5 - 6;
Stage #2: 2-amino-1-benzenesulfonic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 2.6h;
Stage #3: 2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate; 2,4-Diaminobenzenesulfonic acid Further stages;
78.5%
2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate
2494-89-5

2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate

1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

2-amino-1-benzenesulfonic acid
88-21-1

2-amino-1-benzenesulfonic acid

1-hydroxy-6-amino-3-naphthalenesulfonic acid
87-02-5

1-hydroxy-6-amino-3-naphthalenesulfonic acid

4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
90-20-0

4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

C43H27ClN12O23S7(6-)*6Na(1+)

C43H27ClN12O23S7(6-)*6Na(1+)

Conditions
ConditionsYield
Stage #1: 1,3,5-trichloro-2,4,6-triazine; 7-amino-4-hydroxy-2-naphthalenesulfonic acid With sodium hydroxide In water at 0 - 5℃; pH=5.6 - 6.5;
Stage #2: With sodium carbonate In water at 3 - 5℃; for 5h;
Stage #3: 2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate; 2-amino-1-benzenesulfonic acid; 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid; 2,4-Diaminobenzenesulfonic acid Further stages;
77.1%
4-chloro-3-nitrophenyl hydroxyethyl sulfone

4-chloro-3-nitrophenyl hydroxyethyl sulfone

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

4-(3-amino-4-sulfophenyl)-amino-3-nitrophenyl hydroxyethyl sulfone

4-(3-amino-4-sulfophenyl)-amino-3-nitrophenyl hydroxyethyl sulfone

Conditions
ConditionsYield
With sodium hydroxide In water73.5%
1H-indene-1,3(2H)-dione
606-23-5

1H-indene-1,3(2H)-dione

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

2,4-bis[(3-oxoinden-1-yl)amino]benzenesulfonic acid
1352954-39-2

2,4-bis[(3-oxoinden-1-yl)amino]benzenesulfonic acid

Conditions
ConditionsYield
In ethanol for 8h; Reflux;66%
2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

sodium 1-amino-4-bromoanthraquinone-2-sulfonate
6258-06-6

sodium 1-amino-4-bromoanthraquinone-2-sulfonate

disodium 1-amino-4-(3-amino-4-sulfophenylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate

disodium 1-amino-4-(3-amino-4-sulfophenylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate

Conditions
ConditionsYield
With sodium carbonate; copper(l) chloride; sodium sulfite In water at 20℃; for 8h; Ullmann coupling;49%
N-(eicosanoyloxy)succinimide
69888-87-5

N-(eicosanoyloxy)succinimide

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

C26H46N2O4S

C26H46N2O4S

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 2h;20.7%
2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

1-Bromooctadecane
112-89-0

1-Bromooctadecane

C42H80N2O3S

C42H80N2O3S

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 40℃;6.1%
bromoundecane
693-67-4

bromoundecane

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

C28H52N2O3S

C28H52N2O3S

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 40℃;4.3%
N-succinimidyl laurate
14565-47-0

N-succinimidyl laurate

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

C18H30N2O4S

C18H30N2O4S

Conditions
ConditionsYield
In aq. phosphate buffer; N,N-dimethyl-formamide at 20℃; for 3h; pH=9.5;2.1%
N-(eicosanoyloxy)succinimide
69888-87-5

N-(eicosanoyloxy)succinimide

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

C46H84N2O5S

C46H84N2O5S

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 2h;0.84%
N-succinimidyl laurate
14565-47-0

N-succinimidyl laurate

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

C30H52N2O5S

C30H52N2O5S

Conditions
ConditionsYield
In aq. phosphate buffer; N,N-dimethyl-formamide at 20℃; for 3h; pH=9.5;0.65%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

7-amino-2-hydroxy-4-methyl-quinoline-6-sulfonic acid
101872-02-0

7-amino-2-hydroxy-4-methyl-quinoline-6-sulfonic acid

Conditions
ConditionsYield
With water Erhitzen des Reaktionsgemisches mit wss. HCl;
2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

4-acetoxy-3-nitro-benzoyl chloride

4-acetoxy-3-nitro-benzoyl chloride

2-amino-4-(4-hydroxy-3-nitro-benzoylamino)-benzenesulfonic acid

2-amino-4-(4-hydroxy-3-nitro-benzoylamino)-benzenesulfonic acid

Conditions
ConditionsYield
With sodium acetate; sodium carbonate
2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

4-ethoxycarbonyloxy-3-nitro-benzoyl chloride
861377-45-9

4-ethoxycarbonyloxy-3-nitro-benzoyl chloride

2-amino-4-(4-hydroxy-3-nitro-benzoylamino)-benzenesulfonic acid

2-amino-4-(4-hydroxy-3-nitro-benzoylamino)-benzenesulfonic acid

Conditions
ConditionsYield
With sodium acetate; sodium carbonate
2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

acetic anhydride
108-24-7

acetic anhydride

2-amino-4-acetylaminobenzene sulfonic acid
88-64-2

2-amino-4-acetylaminobenzene sulfonic acid

Conditions
ConditionsYield
With alkali at 50℃;
2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

1-chloro-2,4-dinitro-benzene
97-00-7

1-chloro-2,4-dinitro-benzene

2-amino-4-(2,4-dinitro-anilino)-benzenesulfonic acid

2-amino-4-(2,4-dinitro-anilino)-benzenesulfonic acid

Conditions
ConditionsYield
With ethanol; sodium acetate
2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

p-acetylaminobenzenesulfonyl chloride
121-60-8

p-acetylaminobenzenesulfonyl chloride

2,4-bis-sulfanilylamino-benzenesulfonic acid
62707-58-8

2,4-bis-sulfanilylamino-benzenesulfonic acid

Conditions
ConditionsYield
With sodium hydroxide; sodium carbonate Erwaermen des Reaktionsprodukts mit wss. Natronlauge;
1-amino-4-bromo-9,10-dioxoanthracene-2-sulphonic acid
116-81-4

1-amino-4-bromo-9,10-dioxoanthracene-2-sulphonic acid

2,4-Diaminobenzenesulfonic acid
88-63-1

2,4-Diaminobenzenesulfonic acid

A

1-aminoanthraquinone-2-sulfonic acid
83-62-5

1-aminoanthraquinone-2-sulfonic acid

B

1-amino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid
24929-02-0

1-amino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid

C

1-amino-4-(3-amino-4-sulfophenylamino)anthraquinone-2-sulfonic acid
128-99-4

1-amino-4-(3-amino-4-sulfophenylamino)anthraquinone-2-sulfonic acid

Conditions
ConditionsYield
bronze powder; copper(l) iodide In water at 40℃; Mechanism; Rate constant; various pH, various electrolyte concentrations, various Cu(1+) concentrations;
bronze powder; copper(l) iodide In water at 40℃; Mechanism; Rate constant; various pH, various electrolyte concentrations, various Cu(1+) concentrations;

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