We can supply: 1..Place of Origin China with Super quality by reasonable price. 2. sample orders are welcome 3.Customer Satisfaction is our priority and guarantee for the future. 4.Fast delivery by safe express way to all the country. 5.Has a
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
Cas:121-57-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Appearance White to light grey powder White powder Assay 99%min
Cas:121-57-3
Min.Order:1 Metric Ton
FOB Price: $2210.0 / 2530.0
Type:Manufacturers
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
Cas:121-57-3
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryProduct Name:Sulfanilic Acid FORMULA: C6H7O3NS MOLECULAR WEIGHT: 173.19 (As International relative Atom Mass 1997) EXCUTIVE STANDARD: HG/T3678-2000 SPECIFICATIONS: Item Indices
Product description: Product name Sulfanilic acid CAS number 121-57-3 Assay ≥99% Appearance White crystalline powder Capacity 1000mt/year Application Dye/pesticide/pharmaceut
Cas:121-57-3
Min.Order:100 Gram
FOB Price: $12.0
Type:Lab/Research institutions
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White powder Storage:Store in dark Package:25kg/bag Appli
Cas:121-57-3
Min.Order:500 Kilogram
FOB Price: $2.4 / 4.5
Type:Trading Company
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
Sulfanilic acid is greyish-white crystals or powder, slightly dissolves in cold water, easily soluble in caustic soda solution and sodium carbonate solution, not soluble in such organic solvents as the ethanol and ether etc.
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
Product Name:Sulfanilic Acid FORMULA: C6H7O3NS MOLECULAR WEIGHT: 173.19 (As International relative Atom Mass 1997) EXCUTIVE STANDARD: HG/T3678-2000 SPECIFICATIONS: Item Indices
Sulfanilic acid Basic information Product Name: Sulfanilic acid Synonyms: ANILINE-4-SULFONIC ACID;ANILINE P-SULFONIC ACID;4-SULFOANILINE;4-AMINOBENZENESULPHONIC ACID;4-AMINOBENZENESULFON
Cas:121-57-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: Sulfanilic acid Synonyms: ANILINE-4-SULFONIC ACID;ANILINE P-SULFONIC ACID;4-SULFOANILINE;4-AMINOBENZENESULPHONIC ACID;4-AMINOBENZENESULFONIC ACID;4-ANILINESULFONIC ACID;SUFANILIC ACID;SULFANIL
Cas:121-57-3
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiryAbout us Our 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.
Cas:121-57-3
Min.Order:1 Kilogram
FOB Price: $35.0 / 40.0
Type:Trading Company
inquiry1)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 etc. 3) oem/odm available; 4) reasonable &
Cas:121-57-3
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiryProduct Name: Sulfanilic acid Synonyms: ANILINE-4-SULFONIC ACID;ANILINE P-SULFONIC ACID;Sulfanilic Acid, Anhydrous, Reagent;4-aminobenzenesulphonic acid,sulphanilic acid;Sulfanilic acid solution,4-Aminobenzenesulfonic acid;Sulfanilic acid,4-Amin
Cas:121-57-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Description Items standard Result appearance white to light grey powder white powder assay 99%min 99.1% water
Cas:121-57-3
Min.Order:1 Kilogram
FOB Price: $2.0
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:121-57-3
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
Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:121-57-3
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo 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:121-57-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white crystal powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:A toxic metabolite of Tartrazin
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:121-57-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1)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 etc. 3) oem/odm available; 4) rea
Cas:121-57-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquirySynonyms: ANILINE-4-SULFONIC ACID;ANILINE P-SULFONIC ACID;4-SULFOANILINE;4-AMINOBENZENESULPHONIC ACID;4-AMINOBENZENESULFONIC ACID;4-ANILINESULFONIC ACID;SUFANILIC ACID;SULFANILIC ACID CAS: 121-57-3 MF: C6H7NO3S MW: 173.19 EINECS: 204-482-5 Pro
Cas:121-57-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
CHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis
Cas:121-57-3
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
1. Our company is a professional production leading factory in China in pharmaceutical area of many years, our products have export. d to USA, Greece, Spain, UK, Australia and other countries, and we have got very good feedback from our customers
Cas:121-57-3
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
Conditions | Yield |
---|---|
With hydrazine In ethanol at 80℃; for 0.166667h; Catalytic behavior; chemoselective reaction; | 99.9% |
With ammonium sulfide | |
With hydrogenchloride; tin(ll) chloride |
Conditions | Yield |
---|---|
With sulfuric acid at 180 - 190℃; for 1.5h; Time; Autoclave; | 98% |
With sulfuric acid for 0.0666667h; microwave irradiation; | 93% |
With sodium hydrogensulfite; pyridinium chlorochromate In neat (no solvent) at 100℃; under 1500.15 Torr; for 0.0416667h; Reagent/catalyst; Microwave irradiation; | 92% |
Conditions | Yield |
---|---|
With chlorosulfonic acid In 1,2-dichloro-benzene at 135℃; for 1h; Product distribution; Kinetics; Mechanism; E(activ), oth. temperatures; | A 3.2% B 96.8% |
With sulfur trioxide In 1,2-dichloro-ethane at 5℃; Rate constant; Thermodynamic data; Product distribution; oth. temperature, E(activ.), var. ratios of reactants; | |
With sulfuric acid In 1,2-dichloro-benzene at 180℃; Kinetics; Thermodynamic data; Equilibrium constant; variation of molar ratio and temperature, Ea, ΔGo, ΔHo, ΔSo; | |
With sulfuric acid In 1,2-dichloro-benzene at 24.9℃; Thermodynamic data; Mechanism; Activation Free Energy, Enthalpy, Entropy of sulfonation and desulfonation; |
1-amino-4-({[amino(imino)methyl]amino}sulfonyl)benzene
A
bis(4-aminophenyl)disulfide
B
sulfanilamide
C
aniline
D
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
In methanol for 76h; Product distribution; Mechanism; Irradiation; λ=254 nm; | A n/a B 4.4% C 95.1% D 2.7% |
Conditions | Yield |
---|---|
With aluminum (III) chloride; o-toluenesulfonic acid at 110℃; for 2h; Temperature; | 94% |
Conditions | Yield |
---|---|
With hydrogen; sodium carbonate; palladium on activated charcoal In water for 16h; | 82.1% |
dianilunium sulphate
A
aniline
B
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
at 200℃; under 40 Torr; for 1h; | A n/a B 61% |
at 155℃; Kinetics; thermal decomposition, various temperature; |
A
C20H20N6S2
B
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium dithionite In methanol; water | A 60% B 28% |
3-amino-benzenesulfonic acid, monosodium salt
A
2-amino-1-benzenesulfonic acid
B
aniline
C
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
With disodium hydrogenphosphate; sodium dihydrogenphosphate In methanol for 0.0166667h; Product distribution; Mechanism; Irradiation; effect of solvent and pH; | A 15.6% B 37.2% C 39.3% |
With perchloric acid; NaH2PO4-Na2HPO4 buffer; sodium chloride In water for 0.0166667h; Product distribution; Mechanism; Irradiation; | A 2.80 % Turnov. B 6.43 % Turnov. C 7.02 % Turnov. |
sulphapyridine
A
2-aminopyridine
B
bis(4-aminophenyl)disulfide
C
p-nitrobenzenesulfonamide
D
sulfanilamide
E
aniline
F
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
In methanol for 48h; Product distribution; Mechanism; Irradiation; λ=254 nm; | A 15.6% B n/a C n/a D 6.1% E 29.1% F 20.1% |
Conditions | Yield |
---|---|
With sulfuric acid at 180 - 190℃; |
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid |
4-diazobenzenesulfonic acid
p-toluidine hydrochloride
A
p-methylbenzenediazonium chloride
B
4-aminobenzene sulfonic acid
4-diazobenzenesulfonic acid
o-toluidine hydrochloride
A
4-(4-amino-3-methyl-phenylazo)-benzenesulfonic acid
B
o-toluene-diazonium chloride
C
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
With ammonium hydroxide; copper chloride at 170℃; unter Druck; |
Conditions | Yield |
---|---|
With water |
4-(2-hydroxy-3,5-dimethyl-phenylazo)-benzenesulfonic acid
A
6-amino-2,4-xylenol
B
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
durch Reduktion; |
Conditions | Yield |
---|---|
durch Reduktion; |
4-aminobenzene sulfonic acid
2-nitro-4-(4'-sulfophenylazo)-phenol
A
2,4-diaminophenol
B
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
bei der Reduktion; | |
bei der Reduktion; |
Conditions | Yield |
---|---|
With hydrogenchloride; tin |
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride |
Conditions | Yield |
---|---|
With Pd-BaSO4; sodium acetate; acetic acid Hydrogenation; | |
With sodium dithionite; water | |
With sodium dithionite; ethanol | |
With hydrogen iodide | |
With sodium carbonate at 95℃; bei der elektrolytischen Reduktion; |
Conditions | Yield |
---|---|
at 210 - 215℃; |
oxalic acid
4-(4-hydroxy-[1]naphthylazo)-benzenesulfonic acid
A
[1,4]naphthoquinone
B
4-aminobenzene sulfonic acid
tartrazine
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
With bacillus coli |
Conditions | Yield |
---|---|
With sulfuric acid |
8-quinolinol
4-aminobenzene sulfonic acid
(E)-4-((8-hydroxyquinolin-5-yl)diazenyl)benzenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: 4-aminobenzene sulfonic acid With hydrogenchloride; sodium nitrite In water at -5℃; for 0.25h; Stage #2: 8-quinolinol With sodium hydroxide In water | 100% |
With hydrogenchloride; sodium nitrite | |
With hydrogenchloride; sodium hydroxide; ethylenediaminetetraacetic acid; sodium nitrite In ethanol for 0.0833333h; |
Conditions | Yield |
---|---|
With nitrosylchloride under 750.075 Torr; for 24h; | 100% |
With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h; | 67% |
With sulfuric acid; sodium nitrite In water at 25℃; Rate constant; acid catalysis, further reactant 1M HClO4, var. acidities; add of Cl(1-), Br(1-), I(1-) and SCN(1-) as nucl. catalysts.; |
Conditions | Yield |
---|---|
With hydrogenchloride; Nitrogen dioxide In water at 20℃; for 1h; Reagent/catalyst; | 100% |
With hydrogenchloride; sodium nitrite In hydrogenchloride; water at 1.5℃; Rate constant; | |
With hydrogenchloride; sodium hydroxide; sodium nitrite In water for 0.25h; ice bath; |
(R)-2-[3-tert-butoxycarbonylamino-4-(2,4,5-trifluorophenyl)butyryl]-3,4-dihydro-2H-pyrazole-3-carboxylic acid
4-aminobenzene sulfonic acid
(R)-4-({2-[3-tert-butoxycarbonylamino-4-(2,4,5-trifluorophenyl)butyryl]-3,4-dihydro-2H-pyrazole-3-carbonyl}amino)benzenesulfonic acid
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 12h; | 100% |
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; water at 20℃; | 100% |
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; water at 20℃; | 100% |
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; water at 20℃; | 100% |
4-aminobenzene sulfonic acid
C25H27N3O7S2
Conditions | Yield |
---|---|
Stage #1: 2-tert-butylamino-1-(4-hydroxy-2-hydroxymethyl-phenyl)ethanol With RuCl2(PPh3)2(BAOBEA); dihydrogen peroxide In water at 60℃; for 0.5h; Stage #2: 4-aminobenzene sulfonic acid In water for 0.0833333h; Reflux; | 99.65% |
2-Ethoxyphenol
4-aminobenzene sulfonic acid
sodium 4-((3-ethoxy-4-hydroxyphenyl)diazenyl)benzenesulfonate
Conditions | Yield |
---|---|
Stage #1: 4-aminobenzene sulfonic acid With sodium hydroxide; sodium nitrite In water at 0℃; Stage #2: With hydrogenchloride In water at 0 - 5℃; Stage #3: 2-Ethoxyphenol In ethanol; water at 5℃; for 4h; | 99% |
Conditions | Yield |
---|---|
In water acid (2 mmol0 and Ag2O (1 mmol) stirred for 2 h; filtered, crystd. on slow evapn. overnight, elem. anal.; | 99% |
Conditions | Yield |
---|---|
With triethylamine In ethyl acetate at 20℃; Green chemistry; | 99% |
methyl chloroformate
4-aminobenzene sulfonic acid
4-[(methoxycarbonyl)amino]benzenesulfonic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; for 48h; Green chemistry; | 99% |
Conditions | Yield |
---|---|
In tetrahydrofuran; water at 0 - 20℃; for 48h; Green chemistry; | 99% |
With sodium hydrogencarbonate In tetrahydrofuran at 20℃; | 89% |
Conditions | Yield |
---|---|
Stage #1: pyridoxal hydrochloride With RuCl2(PPh3)2(BAOBEA); dihydrogen peroxide In water at 60℃; for 0.25h; Stage #2: 4-aminobenzene sulfonic acid In water for 0.0833333h; Reflux; | 98.25% |
1,10-phenanthroline-2,9-dicarboxaldehyde
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
With NaHCO3 In water (Ar or N2); a flask charged with 1,10-phenanthroline-2,9-dicarboxaldehyde, sulfanilic acid, Cu2O, NaHCO3, sealed, purified of O2, H2O added, sealed, stirred overnight at room temp.; evapd. (vac.); | 98% |
salicylaldehyde
4-aminobenzene sulfonic acid
N‑(2‑hydroxybenzylidene)‑4‑aminobenzenesulfonic acid sodium salt
Conditions | Yield |
---|---|
Stage #1: 4-aminobenzene sulfonic acid With sodium hydroxide In methanol for 1h; Reflux; Stage #2: salicylaldehyde In methanol at 20℃; for 2h; | 98% |
Stage #1: 4-aminobenzene sulfonic acid With sodium hydroxide In methanol for 1h; Reflux; Stage #2: salicylaldehyde In methanol at 20℃; for 2h; | 86% |
Stage #1: 4-aminobenzene sulfonic acid With sodium hydroxide In methanol Stage #2: salicylaldehyde In methanol at 80℃; | 66% |
2-oxo-2,3-dihydro-1H-indole-5-sulfonyl chloride
4-aminobenzene sulfonic acid
4-{[(2-oxo-2,3-dihydro-1H-indol-5-yl)sulfonyl]amino}benzenesulfonic acid
Conditions | Yield |
---|---|
In toluene for 6h; Reflux; | 98% |
Conditions | Yield |
---|---|
With triethylamine In ethyl acetate at 20℃; Green chemistry; | 98% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; for 48h; Green chemistry; | 98% |
Conditions | Yield |
---|---|
In tetrahydrofuran; water at 0 - 20℃; for 48h; Green chemistry; | 98% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; for 48h; Green chemistry; | 98% |
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; water at 20℃; | 98% |
Conditions | Yield |
---|---|
In tetrahydrofuran at -78 - 20℃; Inert atmosphere; | 97% |
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 4-aminobenzene sulfonic acid With potassium nitrite In water at 25℃; Acidic conditions; Flow reactor; Stage #2: With potassium pyrosulfite In water at 80 - 110℃; Stage #3: With hydrogenchloride In water at 130℃; | 96.7% |
benzoyl chloride
4-aminobenzene sulfonic acid
4-(benzoylamino)benzenesulfonic acid
Conditions | Yield |
---|---|
With triethylamine In ethyl acetate at 20℃; Green chemistry; | 96% |
With sodium chloride In water; acetone for 0.25h; | 60% |
With pyridine |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; | 96% |
salicylaldehyde
4-aminobenzene sulfonic acid
4-((2-hydroxybenzylidene)amino)benzenesulfonic acid
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) at 20℃; for 0.25h; | 96% |
In methanol; water for 1h; Reflux; | 76% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View