C8H10O3S
186.23 g/mol
Industrial ChemicalDanger
Methyl p-toluenesulfonate
CAS80-48-8EC201-283-5
Category
Industrial Chemical
Compound Class
Ester
Primary Use
methylating agent in organic synthesis
Methyl p-toluenesulfonate is a chemical compound used as a methylating agent in organic synthesis. It is structurally characterized by an aromatic ring and a sulfonate ester group, making it a convenient reagent for introducing methyl groups in laboratory and industrial reactions.
methylating agent in organic synthesislaboratory reagent for methyl group transfer
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
ApplicationSame Use
Dimethyl sulfate
CAS77-78-1
Methylating agent in organic synthesis
ReferenceSame Category
Dihydrazide4,4'-oxybis-benzenesulfonic acid
CAS80-51-3
Blowing agent for sponge rubber and expanded plastics
ReferenceSame Category
Methyl methacrylate
CAS80-62-6
Production of acrylic plastics and polymers
ReferenceSame Category
Methyl 2-chloroacrylate
CAS80-63-7
Monomer for specialty polymers
ReferenceSame Category
Dimethyl imidazolidinone
CAS80-73-9
Chemical intermediate
Referencestereoisomer of
Methan-d3-ol, p-toluenesulfonate
CAS7575-93-1
research compound
Safety Reference
Danger
H302Harmful if swallowed
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for Methyl p-toluenesulfonate (CAS 80-48-8) is 2905.19.
HS code (international, 6-digit)
2905.19
EU CN code (8-digit)
2905 19 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
methyl 4-methylbenzenesulfonate
InChIKey
VUQUOGPMUUJORT-UHFFFAOYSA-N
SMILES
CC1=CC=C(C=C1)S(=O)(=O)OC
Synonyms (42)
- ((2)H1,(3)H)methyl tosylate
- Methyl 4-toluene sulfonate
- Methyl p-toluenesulfonate
- Methyl p-tosylate
- Methyl para-toluenesulfonate
- Methyl toluene-4-sulfonate
- Methyl toluene-4-sulphonate
- Methyl toluenesulfonate
- Methyl tosylate
- Racecadotril Impurity 15
- Racecadotril Impurity T
- methyl rho-toluenesulfonate
- methyl tosylat
- methyl-4-toluene sulphonate
- methyl-p-toluenesulphonate
- methyl-p-toluensulfonate
- methyl-paratoluene sulphonate
- tosome
- tosylate methyl ester
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