Dayangchem's 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. DayangChem can provide different quantities
Cas:88-45-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryThe 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
Cas:88-45-9
Min.Order:1
Negotiable
Type:Other
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:88-45-9
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryOur 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
Cas:88-45-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiry2,5-Diaminobenzenesulfonic acid Basic information Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business re
Cas:88-45-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:88-45-9
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
inquiryWITH 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
Cas:88-45-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name: 2,5-Diaminobenzenesulfonic acid Synonyms: 1,4-PHENYLENEDIAMINE-2-SULPHONIC ACID;1,4-PHENYLENEDIAMINE-3-SULFONIC ACID;1,4 DIAMINOBENZENE 2 SULFONIC ACID;2,5-DIAMINOBENZENESULFONIC ACID;2,5-DiaM
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Cas:88-45-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:88-45-9
Min.Order:1 Kilogram
FOB Price: $59.0 / 64.0
Type:Trading Company
inquiry2,5-Diaminobenzenesulfonic acid CAS:88-45-9 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
Cas:88-45-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:88-45-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan 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
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
Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting 2,5-Diaminobenzenesulfonic acid 99% CAS: 88-45-9 , Please contact us by email freely. We are leading exporter in China. If you reall
Cas:88-45-9
Min.Order:1 Metric Ton
Negotiable
Type:Other
inquiryHangzhou 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
Cas:88-45-9
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryJ&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
Cas:88-45-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Cas:88-45-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
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
Cas:88-45-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:Used as Pharmaceutical Intermediates Transporta
Cas:88-45-9
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryProduct name: 2,5-Diaminobenzenesulfonic Acid CAS No.:88-45-9 Molecule Formula:C6H7N2O3S Molecule Weight:187.20 Purity: 99.0% Package: 25kg/drum Description:Whitesh grey crystalline powder Manufacture Standards:Enterprise Standard
Cas:88-45-9
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryfactory?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
Cas:88-45-9
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong 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
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Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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
Cas:88-45-9
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe 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
Cas:88-45-9
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry6-Amino-m-toluenesulfonic acidAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:88-45-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you
Conditions | Yield |
---|---|
With [RuCl(P(C6H5)3)2(O(C6H4)NCH(C4H3N))]; bromamine B; sodium hydroxide In water; acetonitrile at 39.84℃; for 4.33333h; | 96% |
N,N'-dichloro-1,4-benzoquinone diimine
2,5-diaminobenzenesulfonic acid
Conditions | Yield |
---|---|
With sodium disulfite; water |
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride |
Conditions | Yield |
---|---|
With ammonium hydroxide; copper chloride unter Druck; |
Conditions | Yield |
---|---|
With copper salt; ammonia unter Druck; |
Conditions | Yield |
---|---|
With copper salt; ammonia unter Druck; |
Conditions | Yield |
---|---|
With potassium dichromate; acetic acid man gibt dann Natriumsulfit hinzu; |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydrogensulfite at 107℃; |
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride |
Conditions | Yield |
---|---|
With lead dioxide man filtriert und giesst das Filtrat in eine mit Eisessig angesaeuerte Natriumsulfitloesung; | |
With sulfuric acid at 145℃; for 7h; | |
With sulfuric acid; sulfur trioxide | |
Stage #1: 1,4-phenylenediamine With sulfuric acid at 145℃; for 7h; Stage #2: With water at 135℃; for 3h; | 3.8 g |
hydrogenchloride
4-aminoazobenzene-3,4'-disulfonic acid
A
2,5-diaminobenzenesulfonic acid
B
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
unter Druck; |
2-amino-5-chlorobenzenesulfonic acid
ammonia
2,5-diaminobenzenesulfonic acid
Conditions | Yield |
---|---|
unter Druck; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid / 90 - 100 °C 2: tin dichloride; hydrochloric acid View Scheme |
methylene blue
A
2-amino-hexanoic acid
B
2,5-diaminobenzenesulfonic acid
C
thionin
Conditions | Yield |
---|---|
With dihydrogen peroxide In water at 30℃; for 0.5h; pH=6; Catalytic behavior; Kinetics; Reagent/catalyst; pH-value; Time; |
2,5-diaminobenzenesulfonic acid
Conditions | Yield |
---|---|
With sodium chloride In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; water | 90.6% |
2-chloro-5-nitro-benzenesulfonic acid
2,5-diaminobenzenesulfonic acid
C12H9N3O8S2(2-)*Ba(2+)
Conditions | Yield |
---|---|
With base In water at 100℃; | 90% |
2,5-diaminobenzenesulfonic acid
Conditions | Yield |
---|---|
With recombinant CotA-laccase from Bacillus subtilis In methanol; aq. phosphate buffer at 37℃; for 24h; pH=6; Kinetics; Green chemistry; Enzymatic reaction; | 90% |
Conditions | Yield |
---|---|
With sodium carbonate In water; acetone at 0℃; pH=6; | 70% |
With sodium hydroxide In water at 0 - 35℃; for 5.5h; pH=6 - 7; Concentration; Cooling; |
2,5-diaminobenzenesulfonic acid
sodium 1-amino-4-bromoanthraquinone-2-sulfonate
disodium 1-amino-4-(4-amino-3-sulfophenylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
Conditions | Yield |
---|---|
With sodium carbonate; copper(l) chloride; sodium sulfite In water at 20℃; for 8h; Ullmann coupling; | 48% |
2,5-diaminobenzenesulfonic acid
sodium 1-amino-4-bromoanthraquinone-2-sulfonate
1-amino-4-(4-amino-2-sulfoanilino)-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: sodium 1-amino-4-bromoanthraquinone-2-sulfonate With sodium carbonate; sodium sulfite In water at 35℃; for 0.5h; Stage #2: 2,5-diaminobenzenesulfonic acid With copper(l) chloride In water for 0.5h; Stage #3: With copper(l) chloride In water for 0.5h; | 43.3% |
2-methyl-5-hydroxy-8-(2-pyridylazo)-quinoline-3-carboxylic acid
2,5-diaminobenzenesulfonic acid
Conditions | Yield |
---|---|
With dmap; triethylamine; HATU In DMF (N,N-dimethyl-formamide) at 20℃; for 24h; | 36% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 2h; | 32.5% |
1-amino-4-bromo-9,10-dioxoanthracene-2-sulphonic acid
2,5-diaminobenzenesulfonic acid
A
disodium 1-amino-4-(4-amino-2-sulfophenylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
B
disodium 1-amino-4-(4-amino-3-sulfophenylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
Conditions | Yield |
---|---|
With copper at 120℃; for 0.333333h; Ullmann reaction; aq. phosphate buffer; Microwave irradiation; | A 20% B 32% |
2,5-diaminobenzenesulfonic acid
sodium 1-amino-4-bromoanthraquinone-2-sulfonate
disodium 1-amino-4-(4-amino-2-sulfophenylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
Conditions | Yield |
---|---|
With copper(l) chloride; sodium sulfite In water at 60℃; for 8h; Ullmann coupling; | 10% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 40℃; | 7.3% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 2h; | 6.6% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 40℃; | 6.5% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 2h; | 1.1% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 2h; | 0.65% |
formic acid
2,5-diaminobenzenesulfonic acid
5-amino-2-formylamino-benzenesulfonic acid
formic acid
2,5-diaminobenzenesulfonic acid
2-amino-5-formylamino-benzenesulfonic acid
Conditions | Yield |
---|---|
nach dem Sulfit-Verfahren; |
4,7-dihydroxy-naphthalene-2-sulfonic acid
2,5-diaminobenzenesulfonic acid
6-(4'-amino-3'-sulfophenyl)amino-1-naphthol-3-sulfonic acid
Conditions | Yield |
---|---|
With sodium hydrogensulfite |
2,8-dihydroxynaphthalene-6-sulphonic acid
2,5-diaminobenzenesulfonic acid
6-(4-amino-3-sulfo-anilino)-4-hydroxy-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With sodium hydrogensulfite |
2,5-diaminobenzenesulfonic acid
2,5-diiodo-benzenesulfonic acid
Conditions | Yield |
---|---|
With phosphoric acid; sulfuric acid; sodium nitrite Und Eintragen der Reaktionsloesung in wss.Kaliumjodid-Loesung; |
Conditions | Yield |
---|---|
Diazotization; |
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