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Home/Compounds/Industrial Chemical/P-toluenesulfonic acid monohydrate
C7H10O4S
190.22 g/mol
Industrial ChemicalDanger

P-Toluenesulfonic acid monohydrate

CAS6192-52-5EC612-715-0
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Catalyst in organic synthesis

p-Toluenesulfonic acid monohydrate is a crystalline solid widely used as a catalyst in organic synthesis. It is the hydrated form of 4-methylbenzenesulfonic acid, which features an aromatic ring and a sulfonic acid group.

Catalyst in organic synthesis

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

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Safety Reference

Corrosive
Corrosive
Harmful
Harmful
Danger
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H302Harmful if swallowed
Identifiers
IUPAC Name

4-methylbenzenesulfonic acid;hydrate

InChIKey

KJIFKLIQANRMOU-UHFFFAOYSA-N

SMILES

CC1=CC=C(C=C1)S(=O)(=O)O.O

Synonyms (47)
  • PTSA Monohydrate
  • TsOH H2O
  • TsOH hydrate
  • TsOH.water
  • p-TSA
  • p-toluene sulfonate hydrate
  • p-toluenesufonic acid hydrate
  • p-toluenesulfonic acid H2O
  • p-toluensulfonic acid hydrate
  • pTSA H2O
  • pTSA HOH
  • pTsOH H2O
  • ptoluenesulfonic acid
  • tosylate hydrate
  • tosylate monohydrate
  • tosylic acid hydrate
  • tosylic acid monohydrate