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HomeProduct name list3-Pyridinesulfonic acid

3-Pyridinesulfonic acid

Synonym(s):P3SA

  • CAS NO.:636-73-7
  • Empirical Formula: C5H5NO3S
  • Molecular Weight: 159.16
  • MDL number: MFCD00006381
  • EINECS: 211-265-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-31 13:32:20
3-Pyridinesulfonic acid Structural

What is 3-Pyridinesulfonic acid?

Chemical properties

white to almost white crystalline powder

The Uses of 3-Pyridinesulfonic acid

3-Pyridinesulfonic acid can be used in the synthesis of reaction intermediates, such as silver 3-pyridinesulfonate and 3-pyridinesulfonyl chloride.

What are the applications of Application

3-Pyridinesulfonic acid is a heterocyclic building block

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.]

Properties of 3-Pyridinesulfonic acid

Melting point: >300 °C (lit.)
Density  1.7130
refractive index  1.5480 (estimate)
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
form  Crystalline Powder
pka -2.30±0.18(Predicted)
color  White to almost white
Water Solubility  soluble
Sensitive  Light Sensitive
λmax 262nm(EtOH aq.)(lit.)
BRN  120822
CAS DataBase Reference 636-73-7(CAS DataBase Reference)

Safety information for 3-Pyridinesulfonic acid

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
GHS Hazard Statements H314:Skin corrosion/irritation
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 3-Pyridinesulfonic acid

InChIKey DVECLMOWYVDJRM-UHFFFAOYSA-N

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