3-Pyridinesulfonic acid

Basic Information

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CAS Number

636-73-7

Molecular Formula

C5H5NO3S

Molecular Weight

159.17 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

360°C

Density

1.7130

Flash Point

> 66

Refractive Index

1.5480 (estimate)

SMILES

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C1=CC(=CN=C1)S(=O)(=O)O

InChI

InChI=1S/C5H5NO3S/c7-10(8,9)5-2-1-3-6-4-5/h1-4H,(H,7,8,9)

InChIKey

DVECLMOWYVDJRM-UHFFFAOYSA-N

LogP

0.3283

Topological Polar Surface Area

67.25999999999999 Å²

Hydrogen Bond Donor/Acceptor

1 / 4

Complexity

193

Safety Information

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GHS Hazard Pictograms

H314

Hazard Statement

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Sensitiveness

Light Sensitive

Synonyms & References

English

Ethyl 3-[(Tetrahydropyranyl)oxy]butanoate
Pyridine-3-sulphonic acid
3-Pyridinesulfonic acid, >=98.0% (T)
3-Pyridylsulfonic acid
5-22-07-00552 (Beilstein Handbook Reference)
FT-0632703
P0658
FG-0460
636-73-7
pyridine-3-sulfonic acid
beta-Sulfopyridine
CS-W016183
Z104475570
pyridine-3-sulfonicacid
104372-23-8
C5H5NO3S
Z6HTY55U4L
AB00989868-01
AC-907/25014067
SCHEMBL65447
AKOS000119640
3-Pyridinesulfonic acid
DTXSID60212980
Q1682463
NS00022600
AC-10912
AI3-52418
3-Pyridine sulfonic acid
Pyridin-3-sulfonic acid
EN300-19812
Q-200394

MDL Number

MFCD00006381

Customs Code

29333999

FAQ

What is 3-Pyridinesulfonic acid (CAS: 636-73-7)?

3-Pyridinesulfonic acid is an organic compound with the chemical formula C5H5NO3S. It is a derivative of pyridine, featuring a sulfonic acid group (-SO3H) at the 3-position. This compound is known for its acidic properties and is commonly used in various chemical applications. It appears as a white crystalline solid and is soluble in water.

What are the main uses of 3-Pyridinesulfonic acid (CAS: 636-73-7)?

3-Pyridinesulfonic acid is widely utilized in the pharmaceutical industry for drug development and as a precursor in the synthesis of other compounds. It also finds applications in dye manufacturing, as a catalyst, and in research for organic chemistry and materials science. Its unique reactivity makes it valuable in multiple industrial processes.

Is 3-Pyridinesulfonic acid (CAS: 636-73-7) safe?

3-Pyridinesulfonic acid is generally considered safe when handled properly, but it can be harmful if inhaled, ingested, or comes into contact with skin. It is recommended to use protective gloves, goggles, and a well-ventilated area. Safety data sheets (SDS) should be consulted for detailed handling and disposal guidelines.

How should 3-Pyridinesulfonic acid (CAS: 636-73-7) be stored?

3-Pyridinesulfonic acid should be stored in a cool, dry, and well-ventilated place, away from light. It is best kept in a sealed container made of glass or plastic to prevent moisture absorption. Storage conditions should maintain a temperature below 25°C and avoid high humidity to ensure stability and prolong shelf life.