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CAS No 88-21-1 , 2-aminobenzenesulfonic acid

  • Name: 2-aminobenzenesulfonic acid
  • Synonyms: 2-Aminobenzenesulfonic acid; Aniline-o-sulfonic acid;2-aminobenzenesulfonic acid; o-Sulfanilic acid; Aniline-2-sulfonic acid; o-Aminobenzenesulfonic acid; 88-21-1;Orthanilic acid;
  • CAS Registry Number:
  • Transport: UN 2585
  • Melting Point: 300 ºC
  • Flash Point: 0
  • Boiling Point: 363
  • Density: 1.512 g/cm3
  • Safety Statements: R34
  • Hazard Symbols: C: Corrosive;
  • Flash Point: 0
  • EINECS: 201-810-9
  • Molecular Weight: 173.18968
  • InchiKey: ZMCHBSMFKQYNKA-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H7NO3S/c7-5-3-1-2-4-6(5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
  • Risk Statements: S26;S28A
  • Molecular Formula: C6H7NO3S
  • Molecular Structure:CAS No:88-21-1 2-aminobenzenesulfonic acid
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88-21-1 Aniline-2-sulfonic acid

  • United States HBCChem, Inc. [Manufacturers]
  • Tel: +1-510-219-6317
  • Fax: +1-510-675-0318
  • Address: Union City,CaliforniaUnited States
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88-21-1 2-Aminobenzenesulfonic acid

  • 2-Aminobenzenesulfonic acid
  • Hong kong Frapp's Pharma (Hongkong) Co.,Ltd [Manufacturer]
  • Tel: +852 8130 0917
  • Fax: +852 8130 0927
  • Address: Room 801,Mongkok Harbour Centre,638 Shanghai Street,Mongkok,Kowloon,Hongkang518001 MongkokHONG KONG Mongkok,Hong kong
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88-21-1 ANILINE-2-SULFONIC ACID

  • ANILINE-2-SULFONIC ACID, 95%
  • United States INTERNATIONAL LABORATORY LIMITED [Manufacturer]
  • Tel: ( 650 ) 278-9963
  • Fax: ( 650 ) 589-2786
  • Address: 1067 SNEATH LN SAN BRUNO CA 94066, USA SAN BRUNOUNITED STATES SAN BRUNO,United States
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88-21-1 Aniline-2-sulfonic acid

  • China ORCHID CHEMICAL SUPPLIES LTD (OCS) [Importer/Exporter]
  • Tel: +86-571-85395792
  • Fax: +86-571-85420103
  • Address: 607, North Zhongshan Road, Hangzhou 310000 China ,ZhejiangChina
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88-21-1 Aniline-2-sulfonic acid

  • China YiPeng Chemical [Manufacturers]
  • Tel: 571 85376369
  • Fax: 571 88233092
  • Address: Building 4,High-tech Industrial Park,No. 588 Feijiatang Road,Xiacheng District, Hangzhou, China ,ZheJiangChina
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88-21-1 Orthanilic acid (Aniline-2-sulfonic acid)

  • Orthanilic acid (Aniline-2-sulfonic acid)
  • United Kingdom Molekula Ltd [Manufacturer]
  • Tel: +44 1202 863000
  • Fax: +44 1202 863003
  • Address: Technology House Old Forge Road Ferndown Industrial Estate Wimborne Dorset Bh21 7RR ,United Kingdom
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88-21-1 Orthanilic Acid

  • China Xilin Chemical Group Co., Ltd []
  • Tel: +86-(0)-15527136576
  • Fax: +86-(27)-83820093
  • Address: 16# Luojiashan, Wuchang District, Wuhan, Hubei 430071, ,China
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88-21-1 Aniline-2-sulfonic acid

  • United States Waterstone Technology LLC [Manufacturer]
  • Tel: 317-644-0862/ 317-218-7464
  • Fax: 317-569-8068
  • Address: Waterstone Technology LLC
    12202 Hancock Street
    Carmel, IN. 46032 ,United States
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88-21-1 Aniline-2-sulfonic acid

  • China Dynasty Colourants Co., Ltd. [Manufacturers]
  • Tel: 0086-574-27897999 +86 574 27862090
  • Fax: 0086-574-27862092
  • Address: 18fl., King International , No. 345 South Huancheng West Road Ningbo China, Ningbo,HangzhouChina
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88-21-1 2-Aminobenzenesulfonic acid

  • 2-Aminobenzenesulfonic acid
  • China Dynastay Colourants Co. Ltd [Manufacturer]
  • Tel: +86 574 27862090
  • Fax: +86 574 27862092
  • Address: 21f, lingqiao square, 31 yaohang street315000 NingboCHINA Ningbo,China
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References of 2-aminobenzenesulfonic acid
Title: Orthanilic Acid
CAS Registry Number: 88-21-1
CAS Name: 2-Aminobenzenesulfonic acid
Synonyms: o-sulfanilic acid; o-anilinesulfonic acid
Molecular Formula: C6H7NO3S
Molecular Weight: 173.19
Percent Composition: C 41.61%, H 4.07%, N 8.09%, O 27.71%, S 18.51%
Literature References: Prepn from o-nitrobenzenesulfonyl chloride: Wertheim, Org. Synth. coll. vol. II, 271 (1943).
Properties: Minute hexagonal plates, dec ~325°. Slow crystallization from water below 13.5° may yield a hemihydrate. pK (25°) 2.48. Slowly and sparingly sol in water.
pKa: pK (25°) 2.48