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
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inquiryWelcome 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
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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
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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
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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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
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inquiryProduct Name:4'-Aminoazobenzene-4-sulphonic acid CAS No.: 104-23-4 EINECS: 202-077-8 Molecular Formula: C12H11N3O3S Molecular Weight: 277.3 Appearance: white powder Appearance: White powder Storage:Store in cool and dry place, away f
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inquiryStorage:room temperature Package:200kg/drum Application:4''-Aminoazobenzene-4-sulphonic Acid can be used in photocatalytic wastewater treatment Transportation:Express/Sea/Air Port:Any port in China
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inquiry1.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
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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
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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
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inquiryBest 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
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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
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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
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inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so
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inquiryProduct name: 4-Aminoazobenzene-4’-Sulfonic CAS No.:104-23-4 Molecule Formula:C12H10N3NaO3S Molecule Weight:299.28 Purity: 98% Package: 25kg/drum Description:Light yellow crystalline powder Manufacture Standards:Enterprise Standard
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
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inquiryGMP 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,
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inquiryZhenyu 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
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
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inquiry1,we produce and sell good chemicals around the world.2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.3,our staff consists of highly qualified in
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inquirysodium anilinomethanesulfonate
p-sulfobenzenediazonium chloride
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: sodium anilinomethanesulfonate; p-sulfobenzenediazonium chloride With sodium acetate In water Stage #2: With sodium hydroxide In water Reflux; | 70% |
phenyl toluenesulfonamide
4-diazobenzenesulfonic acid
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
und Verseifen des Reaktionsprodukts mit konz.Schwefelsaeure bei 40grad; |
4-(4-nitro-phenylazo)-benzenesulfonic acid
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With ammonium hydrosulphide; ethanol |
4-[4-(2,4,6-trinitro-anilino)-phenylazo]-benzenesulfonic acid
A
2,4,6-Trinitrophenol
B
4'-aminoazobenzene-4-sulfonic acid
4-phenylazoaniline hydrochloride
A
4-aminoazobenzene-3,4'-disulfonic acid
B
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid at 90 - 100℃; | |
With sulfuric acid at 90 - 100℃; |
4-diazobenzenesulfonic acid
aniline
A
Phenyl azide
B
4'-aminoazobenzene-4-sulfonic acid
C
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
With water man laesst 24 Stdn.stehen, filtriert ab und entzieht dem Nied. durch kal. Aether beigemengtes Diazoaminobenzol; die ungeloeste 4'-Amino-azobenzol-sulfonsaeure-(4) bindet man an Ammoniak und reinigt das Salz durch Umkrystallis.; |
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide at 30 - 35℃; | |
With sulfuric acid; sulfur trioxide at 30 - 35℃; |
sulfuric acid
aniline yellow
A
4-aminoazobenzene-3,4'-disulfonic acid
B
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
at 30 - 35℃; | |
at 30 - 35℃; |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide at 30 - 35℃; |
sulfuric acid
aniline yellow
B
4-aminoazobenzene-3,4'-disulfonic acid
C
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
at 70℃; | |
at 70℃; |
ethanol
4-(4-nitro-phenylazo)-benzenesulfonic acid
4'-aminoazobenzene-4-sulfonic acid
4-diazobenzenesulfonic acid
water
aniline hydrochloride
A
benzene diazonium chloride
B
4'-aminoazobenzene-4-sulfonic acid
C
4-aminobenzene sulfonic acid
4-diazobenzenesulfonic acid
water
aniline
A
aniline yellow
B
Phenyl azide
C
4'-aminoazobenzene-4-sulfonic acid
D
4-aminobenzene sulfonic acid
hydrogenchloride
4-[4-(2,4-dinitro-anilino)-phenylazo]-benzenesulfonic acid
A
2,4-Dinitrophenol
B
4'-aminoazobenzene-4-sulfonic acid
hydrogenchloride
A
2,4-Dinitrophenol
B
4'-aminoazobenzene-4-sulfonic acid
hydrogenchloride
A
2,4-Dinitrophenol
B
4'-aminoazobenzene-4-sulfonic acid
4-[4-(2,4,6-trinitro-anilino)-phenylazo]-benzenesulfonic acid
water
A
2,4,6-Trinitrophenol
B
4'-aminoazobenzene-4-sulfonic acid
4-[4-(2,4,6-trinitro-anilino)-phenylazo]-benzenesulfonic acid
A
2,4,6-Trinitrophenol
B
4'-aminoazobenzene-4-sulfonic acid
4-[4-(2-hydroxy-[1]naphthylazo)-phenylazo]-benzenesulfonic acid
A
1-amino-2-naphthol
B
4'-aminoazobenzene-4-sulfonic acid
methyl orange
D
4-(4-methylamino-phenylazo)-benzenesulfonic acid
E
4-phenylazo-benzenesulfonic acid
F
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With 1% Pt-CaCu3Ti4O12; water; oxygen for 11h; Quantum yield; Time; Reagent/catalyst; Wavelength; Visible light irradiation; |
methyl orange
A
4-(4-methylamino-phenylazo)-benzenesulfonic acid
B
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
In water pH=2; Kinetics; pH-value; Sonolysis; Photolysis; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydrogensulfite / water / 1 h / 65 °C 1.2: 2.25 h / 65 °C 2.1: sodium acetate / water 2.2: Reflux View Scheme |
3,5-bis(methoxycarbonyl)benzoic acid
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 115℃; for 4h; Inert atmosphere; | 98% |
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 115℃; for 6h; Inert atmosphere; | 93% |
Conditions | Yield |
---|---|
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 75 - 115℃; for 6.5h; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 75 - 115℃; for 5.5h; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 75 - 115℃; for 4.5h; Inert atmosphere; | 85% |
Conditions | Yield |
---|---|
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 75 - 115℃; for 6.5h; Inert atmosphere; | 84% |
Conditions | Yield |
---|---|
Stage #1: C21H14N4O7 With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 4h; Stage #2: 4'-aminoazobenzene-4-sulfonic acid With triethylamine In dichloromethane; N,N-dimethyl-d6-formamide at 0℃; for 40h; | 60% |
diazomethane
diethyl ether
4'-aminoazobenzene-4-sulfonic acid
A
4-(4-dimethylamino-phenylazo)-benzenesulfonic acid methyl ester
B
methyl orange
diazomethane
4'-aminoazobenzene-4-sulfonic acid
4-(4-dimethylamino-phenylazo)-benzenesulfonic acid methyl ester
Conditions | Yield |
---|---|
With diethyl ether |
diazomethane
4'-aminoazobenzene-4-sulfonic acid
A
4-(4-dimethylamino-phenylazo)-benzenesulfonic acid methyl ester
B
methyl orange
Conditions | Yield |
---|---|
With diethyl ether |
7-(furan-2-carbonylamino)-4-hydroxy-naphthalene-2-sulfonic acid
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sodium carbonate |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite |
4'-aminoazobenzene-4-sulfonic acid
4-(4-sulfo-phenylazo)-benzenediazonium-betaine
Conditions | Yield |
---|---|
With mixture of gaseous nitrogen oxides; water |
Conditions | Yield |
---|---|
With sulfuric acid at 100℃; |
4'-aminoazobenzene-4-sulfonic acid
A
1,4-phenylenediamine
B
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; tin |
Conditions | Yield |
---|---|
With cis-nitrous acid und Kochen der gebildeten Diazoverbindung mit Wasser; |
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