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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2-Amino-3,6,8-Naphthalenetrisulfonic Acid supplier in China

Cas:118-03-6

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product description: Product name 7-Amino-1,3,6-naphthalenetrisulfonic acid CAS number 118-03-6 Assay ≥99% Appearance Yellowish to off-white powder Capacity 500mt/year Applicati

7-Amino-1,3,6-naphthalenetrisulfonic acid

Cas:118-03-6

Min.Order:100 Gram

FOB Price: $12.0

Type:Lab/Research institutions

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product specifica

7-Amino-1,3,6-naphthalenetrisulfonic acid

Cas:118-03-6

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

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

7-Amino-1,3,6-naphthalenetrisulfonic acid

Cas:118-03-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Ality Chemical Corporation

2-Naphthylamine-3,6,8-Trisulfonic Acid (Amino K Acid) CAS No.: 118-03-6 Structural Formula: Molecular weight: 383 Molecular formula:C10H9O9NS3 Appearance: Light-Yellow Wet-Cake Purity(Amino-Value): 70% Min. Hpl

Factory Supply K Acid

Cas:118-03-6

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

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-Amino-3,6,8-naphthalenetrisulfonic acid 118-03-6

Cas:118-03-6

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

inquiry

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 118-03-6 with best price

Cas:118-03-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name: 2-Amino-3,6,8-naphthalenetrisulfonic acid Synonyms: 2-Amino-3,6,8-naphthalenetrisulfonic acid;K-ACID;7-aminonaphthalene-1,3,6-trisulfonic acid;kyselinakochova;AMINO K ACID;2-NAPHTHYLAMINE-3,6,8-TRISULFONIC ACID;7

2-Amino-3,6,8-Naphthalenetrisulfonic Acid

Cas:118-03-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

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

7-Amino-1,3,6-naphthalenetrisulfonic acid 118-03-6

Cas:118-03-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Storage:ln stock Package:25kg/Barrel Application:Intermediates of Dyes and Pigments Transportation:Express/Sea/Air Port:Any port in China

high purity7-aminonaphthalene- 1,3,6-trisulphonic acid2-Amino-3,6,8-naphthalenetrisulfonic acid;

Cas:118-03-6

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

About Product Details Items Specifications Test Results Appearance White to white crystalline powde

China Biggest Factory Manufacturer Supply 2-Amino-3,6,8-naphthalenetrisulfonic acid CAS 118-03-6

Cas:118-03-6

Min.Order:100 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2-Amino-3,6,8-naphthalenetrisulfonic acid CAS:118-03-6 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 q

2-Amino-3,6,8-naphthalenetrisulfonic acid CAS:118-03-6

Cas:118-03-6

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

7-Amino-1,3,6-naphthalenetrisulfonic acid

Cas:118-03-6

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

7-Amino-1,3,6-naphthalenetrisulfonic acid

Cas:118-03-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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-Amino-3,6,8-naphthalenetrisulfonic acid

Cas:118-03-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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

7-aminonaphthalene-1,3,6-trisulphonic acid CAS NO.118-03-6

Cas:118-03-6

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-Amino-3,6,8-naphthalenetrisulfonic acid

Cas:118-03-6

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

7-aminonaphthalene-1,3,6-trisulphonic acid

Cas:118-03-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

High quality 2-Amino-3,6,8-Naphthalenetrisulfonic Acid

Cas:118-03-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

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

7-aminonaphthalene-1,3,6-trisulphonic acid CAS NO.118-03-6

Cas:118-03-6

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: K Acid CAS No.:118-03-6 Molecule Formula:C10H9NO9S3 Molecule Weight:383.37 Purity: 98.0% Package: 25kg/bag Description:Colorless or brown powder Manufacture Standards:Enterprise Standard TESTING ITEMS

High Quality K Acid

Cas:118-03-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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-Amino-3,6,8-naphthalenetrisulfonicacid

Cas:118-03-6

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

7-aminonaphthalene-1,3,6-trisulphonic acid CAS NO.118-03-6

Cas:118-03-6

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

2-Amino-3,6,8-naphthalenetrisulfonic acid

Cas:118-03-6

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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

2-Amino-3,6,8-naphthalenetrisulfonic acid

Cas:118-03-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

7-aminonaphthalene-1,3,6-trisulphonic acid CAS NO.118-03-6

Cas:118-03-6

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

7-aminonaphthalene-1,3,6-trisulphonic acid

Cas:118-03-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuhan Kemi-Works Chemical Co., Ltd

ISO9001 Exporting Japan, Korea regularly. 1.We have been specializing in special fine chemical for long, with strong R&D strength. 2.ISO9001. 3.We have been cooperating with oversea from Europe, USA, Korea, Japan etc... Appearance

1-amino-8-naphthol-4,6-disulfonic acid ( K acid )

Cas:118-03-6

Min.Order:1 Kilogram

Negotiable

Type:Other

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

7-aminonaphthalene-1,3,6-trisulphonic acid CAS NO.118-03-6

Cas:118-03-6

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratoryAppearance:Off-white to light yellow crystal Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

7-Aminonaphthalene-1,3,6-trisulfonic acid cas no. 118-03-6 7%

Cas:118-03-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

1-nitronaphthalene-3,6,8-trisulfonic acid

1-nitronaphthalene-3,6,8-trisulfonic acid

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 50℃; for 6.89h; electrochemical reduction;98.1%
7-hydroxy-naphthalene-1,3,6-trisulfonic acid
6259-66-1

7-hydroxy-naphthalene-1,3,6-trisulfonic acid

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

Conditions
ConditionsYield
With ammonia
7-sulfoamino-naphthalene-1,3-disulfonic acid

7-sulfoamino-naphthalene-1,3-disulfonic acid

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 120 - 130℃;
8-nitronaphthalene-1,3,6-trisulphonic acid
38267-31-1

8-nitronaphthalene-1,3,6-trisulphonic acid

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

Conditions
ConditionsYield
With ammonia unter Druck;
7-hydroxy-naphthalene-1,3,6-trisulfonic acid
6259-66-1

7-hydroxy-naphthalene-1,3,6-trisulfonic acid

ammonia
7664-41-7

ammonia

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

sulfuric acid
7664-93-9

sulfuric acid

7-sulfoamino-naphthalene-1,3-disulfonic acid

7-sulfoamino-naphthalene-1,3-disulfonic acid

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

Conditions
ConditionsYield
at 120 - 130℃;
8-nitronaphthalene-1,3,6-trisulphonic acid
38267-31-1

8-nitronaphthalene-1,3,6-trisulphonic acid

ammonia
7664-41-7

ammonia

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

Conditions
ConditionsYield
at 100℃; unter Druck;
β-naphthol
135-19-3

β-naphthol

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sulfuric acid / 40 - 60 °C
2: potassium chloride; ammonia; ammonium hydrogen sulfite / water / 130 °C
3: sulfuric acid / 130 °C / Inert atmosphere
View Scheme
2-aminonaphthalene-6,8-disulfonate
86-65-7

2-aminonaphthalene-6,8-disulfonate

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 130℃; Temperature; Inert atmosphere;195.3 g
1,3,5-trichloro-2,4,6-triazine
108-77-0

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

1-amino-3-ureidobenzene
25711-72-2

1-amino-3-ureidobenzene

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C20H14Cl2N8O7S3

C20H14Cl2N8O7S3

Conditions
ConditionsYield
Stage #1: 7-aminonaphthalene-1,3,6-trisulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite In water for 1h;
Stage #2: 1-amino-3-ureidobenzene With sodium carbonate In water at 0 - 5℃; for 2h; pH=6 - 6.5;
Stage #3: 1,3,5-trichloro-2,4,6-triazine In water at 0 - 35℃; for 3h; pH=6 - 6.5;
82%
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

Cresidine
120-71-8

Cresidine

C18H17N3O10S3
101309-08-4

C18H17N3O10S3

Conditions
ConditionsYield
Stage #1: 7-aminonaphthalene-1,3,6-trisulfonic acid With lithium hydroxide In water pH=7 - 8;
Stage #2: With hydrogenchloride; sodium nitrite In water at 0 - 10℃; for 1h;
Stage #3: Cresidine With pyridine In water; acetone at 0 - 25℃;
66%
Stage #1: 7-aminonaphthalene-1,3,6-trisulfonic acid With hydrogenchloride; sodium nitrite In water at 5 - 10℃; for 1h;
Stage #2: Cresidine With hydrogenchloride; sodium carbonate In water at 10 - 30℃; pH=3;
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

Conditions
ConditionsYield
With alkali at 220 - 260℃;
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

naphthalene-1,3,6,7-tetrasulfonic acid

naphthalene-1,3,6,7-tetrasulfonic acid

Conditions
ConditionsYield
durch folgeweise Diazotierung, Behandlung mit xanthogensaurem Kalium, Verseifung und Oxydation mittels KMnO4;
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

3,6,8-trisulfo-naphthalene-2-diazonium-betaine

3,6,8-trisulfo-naphthalene-2-diazonium-betaine

Conditions
ConditionsYield
Diazotization;
4-(2-Iodo-ethyl)-naphthalen-1-ol
38661-32-4

4-(2-Iodo-ethyl)-naphthalen-1-ol

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

7-[1-Hydroxy-4-(2-iodo-ethyl)-naphthalen-2-ylazo]-naphthalene-1,3,6-trisulfonic acid
41017-52-1

7-[1-Hydroxy-4-(2-iodo-ethyl)-naphthalen-2-ylazo]-naphthalene-1,3,6-trisulfonic acid

Conditions
ConditionsYield
(i) NaNO2, aq. HCl, (ii) /BRN= 2364430/, aq. NaOH; Multistep reaction;
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

alkali

alkali

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

Conditions
ConditionsYield
at 220 - 260℃;
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

alkali

alkali

7-amino-1.3-or 1.6-dioxy-naphthalene-sulfonic acid-(6 or 3)

7-amino-1.3-or 1.6-dioxy-naphthalene-sulfonic acid-(6 or 3)

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

8-hydroxy-3,6-disulfo-naphthalene-2-diazonium-betaine
34043-07-7

8-hydroxy-3,6-disulfo-naphthalene-2-diazonium-betaine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: alkali / 220 - 260 °C
2: Diazotization
View Scheme
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C10H7N2O9S3(1+)*Cl(1-)
1426257-63-7

C10H7N2O9S3(1+)*Cl(1-)

3-amino-4-methoxyacetanilide
6375-47-9

3-amino-4-methoxyacetanilide

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

8-anilino-1-naphthalenesulfonate
82-75-7

8-anilino-1-naphthalenesulfonate

C29H24N6O14S4
939374-04-6

C29H24N6O14S4

Conditions
ConditionsYield
Stage #1: 7-aminonaphthalene-1,3,6-trisulfonic acid With hydrogenchloride; sodium nitrite In water at 10 - 25℃;
Stage #2: 3-amino-4-methoxyacetanilide With sodium carbonate In water at 15 - 25℃; pH=5.5;
Stage #3: 8-anilino-1-naphthalenesulfonate With hydrogenchloride; sodium hydroxide; sodium nitrite more than 3 stages;
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

m-acetamide aniline
102-28-3

m-acetamide aniline

2-(4-amino-2-acetylaminophenylazo)-3,6,8-naphthalenetrisulfonic acid
93679-74-4

2-(4-amino-2-acetylaminophenylazo)-3,6,8-naphthalenetrisulfonic acid

Conditions
ConditionsYield
Stage #1: 7-aminonaphthalene-1,3,6-trisulfonic acid
Stage #2: m-acetamide aniline
1-amino-3-ureidobenzene
25711-72-2

1-amino-3-ureidobenzene

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C17H15N5O10S3
28566-82-7

C17H15N5O10S3

Conditions
ConditionsYield
Stage #1: 7-aminonaphthalene-1,3,6-trisulfonic acid With sodium carbonate In water at 0℃;
Stage #2: With hydrogenchloride; sodium nitrite In water at 5 - 10℃; for 0.5h;
Stage #3: 1-amino-3-ureidobenzene With sodium carbonate In water for 0.5h; pH=5 - 6;
Stage #1: 7-aminonaphthalene-1,3,6-trisulfonic acid With sodium carbonate In water at 0℃;
Stage #2: With hydrogenchloride; sodium nitrite In water at 5 - 10℃; for 0.5h;
Stage #3: 1-amino-3-ureidobenzene With sodium carbonate In water for 0.5h; pH=5 - 6;
Stage #1: 7-aminonaphthalene-1,3,6-trisulfonic acid With sodium nitrite In water at 0 - 2℃; for 0.166667h;
Stage #2: In water at 5 - 8℃; for 1.16667h; Acidic aqueous solution;
Stage #3: 1-amino-3-ureidobenzene With sodium carbonate In water at 8 - 10℃; for 1.33333 - 1.5h; pH=4.0;
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C26H25N5O11S3
101309-09-5

C26H25N5O11S3

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: lithium hydroxide / water / pH 7 - 8
1.2: 1 h / 0 - 10 °C
1.3: 0 - 25 °C
2.1: hydrogenchloride; sodium nitrite / water / 1.5 h / 0 - 5 °C
2.2: 0 - 25 °C / pH 6
View Scheme
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C45H38N10O17S5

C45H38N10O17S5

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: lithium hydroxide / water / pH 7 - 8
1.2: 1 h / 0 - 10 °C
1.3: 0 - 25 °C
2.1: hydrogenchloride; sodium nitrite / water / 1.5 h / 0 - 5 °C
2.2: 0 - 25 °C / pH 6
3.1: hydrogenchloride; sodium nitrite / 1.5 h / 0 - 5 °C
3.2: 2.25 h / 20 - 35 °C
3.3: 70 °C / pH 4.5
View Scheme
3-amino-4-methoxyacetanilide
6375-47-9

3-amino-4-methoxyacetanilide

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C19H18N4O11S3
108094-73-1

C19H18N4O11S3

Conditions
ConditionsYield
Stage #1: 7-aminonaphthalene-1,3,6-trisulfonic acid With hydrogenchloride; sodium nitrite In water at 8 - 15℃; for 1h; Cooling with ice;
Stage #2: 3-amino-4-methoxyacetanilide With sodium hydroxide In water at 20℃; for 2h; pH=5 - 5.5;
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C29H24N6O14S4
939374-04-6

C29H24N6O14S4

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: hydrogenchloride; sodium nitrite / water / 1 h / 8 - 15 °C / Cooling with ice
1.2: 2 h / 20 °C / pH 5 - 5.5
2.1: hydrogenchloride; sodium nitrite / water / 1 h / 5 - 10 °C
2.2: 2 h / 10 - 15 °C / pH 6 - 6.5
View Scheme
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C32H23Cl2N9O14S4
1025062-43-4

C32H23Cl2N9O14S4

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: hydrogenchloride; sodium nitrite / water / 1 h / 8 - 15 °C / Cooling with ice
1.2: 2 h / 20 °C / pH 5 - 5.5
2.1: hydrogenchloride; sodium nitrite / water / 1 h / 5 - 10 °C
2.2: 2 h / 10 - 15 °C / pH 6 - 6.5
3.1: sodium carbonate / water / 1 h / 0 - 15 °C / pH 6 - 7
View Scheme
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C32H25ClN10O14S4

C32H25ClN10O14S4

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: hydrogenchloride; sodium nitrite / water / 1 h / 8 - 15 °C / Cooling with ice
1.2: 2 h / 20 °C / pH 5 - 5.5
2.1: hydrogenchloride; sodium nitrite / water / 1 h / 5 - 10 °C
2.2: 2 h / 10 - 15 °C / pH 6 - 6.5
3.1: sodium carbonate / water / 1 h / 0 - 15 °C / pH 6 - 7
4.1: ammonia / water / 1 h / 40 - 45 °C
View Scheme
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C38H30N11O16S4(1+)
1403244-25-6

C38H30N11O16S4(1+)

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: hydrogenchloride; sodium nitrite / water / 1 h / 8 - 15 °C / Cooling with ice
1.2: 2 h / 20 °C / pH 5 - 5.5
2.1: hydrogenchloride; sodium nitrite / water / 1 h / 5 - 10 °C
2.2: 2 h / 10 - 15 °C / pH 6 - 6.5
3.1: sodium carbonate / water / 1 h / 0 - 15 °C / pH 6 - 7
4.1: ammonia / water / 1 h / 40 - 45 °C
5.1: water / 5 h / 80 - 90 °C
View Scheme
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

C39H31ClN10O14S4

C39H31ClN10O14S4

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: hydrogenchloride; sodium nitrite / water / 1 h / 8 - 15 °C / Cooling with ice
1.2: 2 h / 20 °C / pH 5 - 5.5
2.1: hydrogenchloride; sodium nitrite / water / 1 h / 5 - 10 °C
2.2: 2 h / 10 - 15 °C / pH 6 - 6.5
3.1: sodium carbonate / water / 1 h / 0 - 15 °C / pH 6 - 7
4.1: water / 1 h / 40 - 45 °C
View Scheme

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