C19H18ClP
312.8 g/mol
Pharmaceutical IntermediateDanger
Methyltriphenylphosphonium chloride
CAS1031-15-8EC418-400-2
Category
Pharmaceutical Intermediate
Compound Class
Other
Primary Use
Pharmaceutical Intermediate
Methyltriphenylphosphonium chloride is a phosphonium salt consisting of a methyltriphenylphosphonium cation paired with a chloride anion. It is primarily used as a reagent in the synthesis of pharmaceuticals and agrochemicals.
Pharmaceutical intermediateAgrochemical intermediate
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
StrongSame Parent
Methyltriphenylphosphonium bromide
CAS1779-49-3
Phase transfer catalyst and reagent
StrongSame Parent
Methyltriphenylphosphonium iodide
CAS2065-66-9
pharmaceutical intermediate
ApplicationSame Use
Ethyltriphenylphosphonium acetate
CAS35835-94-0
pharmaceutical intermediate
ApplicationSame Use
2-chloropyridine
CAS109-09-1
pharmaceutical intermediate
ApplicationSame Use
Diphenyl sulfone
CAS127-63-9
pharmaceutical intermediate
ApplicationSame Use
2-Chloro-6-fluoroaniline
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pharmaceutical intermediate
ReferenceSame Category
2-amino-6-chloropurine
CAS10310-21-1
pharmaceutical intermediate
ReferenceSame Category
(3,4-Dimethoxyphenyl)acetyl chloride
CAS10313-60-7
pharmaceutical intermediate
Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Methyltriphenylphosphonium chloride (CAS 1031-15-8) is 2931.49.
HS code (international, 6-digit)
2931.49
EU CN code (8-digit)
2931 49 80
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(triphenyl)phosphanium chloride
InChIKey
QRPRIOOKPZSVFN-UHFFFAOYSA-M
SMILES
C[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Cl-]
Synonyms (6)
- B-150
- TPMP-Cl
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