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4-Pyridinesulphonic acid

4-Pyridinesulphonic acid Structure
CAS No.
5402-20-0
Chemical Name:
4-Pyridinesulphonic acid
Synonyms
PYRIDINE-4-SULFONIC ACID;NSC 5082;Pyridine-4-suL;4-Sulphopyridine;TAK438 Impurity 30;4-Pyridinesulfonicaci;4-Pyridinesulfonicacid;Vonoprazan Impurity 154;4-PYRIDINESULPHONIC ACID;Pyridine-4-sulphonic acid
CBNumber:
CB6215149
Molecular Formula:
C5H5NO3S
Molecular Weight:
159.16
MOL File:
5402-20-0.mol
MSDS File:
SDS
Modify Date:
2022/12/30 16:20:48

4-Pyridinesulphonic acid Properties

Melting point 330℃ (DEC.)
Density 1.509
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
pka -2.85±0.50(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  C
HS Code  2933399990

4-Pyridinesulphonic acid Chemical Properties,Uses,Production

Uses

4-Pyridinesulphonic acid is an organic synthetic reagent for the preparation of 4-dimethylaminopyridine and its derivatives. It is also involved in the preparation of hydrogen sensor elements.

4-Pyridinesulphonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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4-PYRIDINESULPHONIC ACID 4-Pyridinesulfonicacid Pyridine-4-sulphonic acid NSC 5082 4-Sulphopyridine TAK438 Impurity 30 Pyridine-4-suL 4-Pyridinesulfonicaci 4-PYRIDINESULPHONIC ACID ISO 9001:2015 REACH PYRIDINE-4-SULFONIC ACID Vonoprazan Fumarate Impurity 154 Vonoprazan Impurity 154 5402-20-0 5402-20-2 Pyridines