C19H18BrP
357.2 g/mol
OtherDanger
Methyltriphenylphosphonium bromide
CAS1779-49-3EC217-218-9
Category
Other
Compound Class
Other
Primary Use
Phase transfer catalyst and reagent
Methyltriphenylphosphonium bromide is a quaternary phosphonium salt commonly used as a phase transfer catalyst and reagent in organic synthesis. It facilitates the transfer of reactive species between immiscible phases, enabling reactions that would otherwise be inefficient.
Phase transfer catalystReagent 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
StrongSame Parent
Methyltriphenylphosphonium iodide
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pharmaceutical intermediate
StrongSame Parent
Methyl triphenyl phosphonium chloride
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pharmaceutical intermediate
ReferenceSame Category
Amabiline
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plant metabolite
ReferenceSame Category
(-)-Erinacin A
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Reference standard for analysis
ReferenceSame Category
3,6,9,12,15,18-Hexaoxanonadecan-1-amine
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PEGylation linker or intermediate
ReferenceSame Category
Bemotrizinol
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UV absorber in sunscreens
Referencesame scaffold
Isopropyltriphenylphosphonium iodide
CAS24470-78-8
research compound
Referencesame scaffold
(4-Carboxybutyl)triphenylphosphonium bromide
CAS17814-85-6
research compound
Safety Reference
Danger
H300Fatal if swallowed
H301Toxic if swallowed
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Methyltriphenylphosphonium bromide (CAS 1779-49-3) 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 bromide
InChIKey
LSEFCHWGJNHZNT-UHFFFAOYSA-M
SMILES
C[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]
Synonyms (21)
- M-0779
- MTPPB
- ?FM11476
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