C20H20OP
307.3 g/mol
Research ReagentWarning
Phosphonium, (methoxymethyl)triphenyl-, chloride
CAS4009-98-7EC223-664-5
Category
Research Reagent
Compound Class
Other
Primary Use
Research Compound
Methoxymethyl(triphenyl)phosphonium chloride is a quaternary phosphonium salt used as a Wittig reagent in organic synthesis. It enables the formation of carbon-carbon double bonds via the Wittig reaction, commonly employed in the preparation of fine chemicals.
Wittig reagent for olefination reactionsSynthesis of fine chemicals
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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Referencesame scaffold
(2-Methoxyethyl)(triphenyl)phosphanium bromide
CAS55894-16-1
research compound
Referencesame scaffold
Ethyltriphenylphosphonium iodide
CAS4736-60-1
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Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Phosphonium, (methoxymethyl)triphenyl-, chloride (CAS 4009-98-7) 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
methoxymethyl(triphenyl)phosphanium
InChIKey
SDMCZCALYDCRBH-UHFFFAOYSA-N
SMILES
COC[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
Synonyms (6)
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