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3-Pyridinesulfonic acid

3-Pyridinesulfonic acid Structure
3-Pyridinesulfonic acid
  • CAS No.636-73-7
  • Chemical Name:3-Pyridinesulfonic acid
  • CBNumber:CB3772948
  • Molecular Formula:C5H5NO3S
  • Formula Weight:159.16
  • MOL File:636-73-7.mol
3-Pyridinesulfonic acid Property
  • Melting point: :>300 °C (lit.)
  • Density  :1.7130
  • refractive index  :1.5480 (estimate)
  • storage temp.  :Keep in dark place,Sealed in dry,Room Temperature
  • pka :-2.30±0.18(Predicted)
  • form  :Crystalline Powder
  • color  :White to almost white
  • Water Solubility  :soluble
  • Sensitive  :Light Sensitive
  • λmax :262nm(EtOH aq.)(lit.)
  • BRN  :120822
  • InChIKey :DVECLMOWYVDJRM-UHFFFAOYSA-N
  • CAS DataBase Reference :636-73-7(CAS DataBase Reference)
  • EWG's Food Scores :1
Safety
  • Hazard Codes  :C
  • Risk Statements  :34-22
  • Safety Statements  :26-36/37/39-45-27
  • RIDADR  :UN 2585 8/PG 3
  • WGK Germany  :3
  • RTECS  :UT7920000
  • HazardClass  :8
  • PackingGroup  :III
  • HS Code  :29333999
  • NFPA 704:
    2
    3 1
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H314-H318
  • Precautionary statements P260h-P301+P330+P331-P405-P501a-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P310
3-Pyridinesulfonic acid Price More Price(8)
  • Brand: Sigma-Aldrich
  • Product number: 82820
  • Product name : 3-Pyridinesulfonic acid
  • Purity: ≥98.0% (T)
  • Packaging: 25g
  • Price: $42.7
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 82820
  • Product name : 3-Pyridinesulfonic acid
  • Purity: ≥98.0% (T)
  • Packaging: 100g
  • Price: $156
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: P0658
  • Product name : Pyridine-3-sulfonic Acid
  • Purity: >98.0%(T)
  • Packaging: 25g
  • Price: $43
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: A13101
  • Product name : Pyridine-3-sulfonic acid, 98+%
  • Purity: 
  • Packaging: 25g
  • Price: $59.5
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: A13101
  • Product name : Pyridine-3-sulfonic acid, 98+%
  • Purity: 
  • Packaging: 100g
  • Price: $176
  • Updated: 2021/03/22
  • Buy: Buy

3-Pyridinesulfonic acid Chemical Properties,Usage,Production

  • Chemical Properties white to almost white crystalline powder
  • Purification Methods Purify the acid by recrystallisation from H2O or aqueous EtOH as needles or plates. [pKa: Evans & Brown J Org Chem 27 3127 1962, IR: Arnett & Chawla J Am Chem Soc 100 214 1978.] UV in 50% aqueous EtOH has at 208 and 262nm. The ammonium salt max has m 243o (from H2O), the sulfonyl chloride has m 133-134o (from pet ether), the amide has m 110-111o (from H2O), the hydrochloride has m >300o(dec), and the N-methyl betaine has m 130o (from H2O). [Gastel & Wibaut Recl Trav Chim Pays-Bas 53 1031 1934, McIlvain & Goese J Am Chem Soc 65 2233 1943, Machek Monatsh Chem 72 77 1938, Beilstein 22 I 616, 22 II 309, 22/7 V 552.]
3-Pyridinesulfonic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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