C22H21O2P
348.4 g/mol
Research ReagentDanger
Ethyl (triphenylphosphoranylidene)acetate
CAS1099-45-2EC214-151-7
Category
Research Reagent
Compound Class
Organometallic
Primary Use
Research Compound
Ethyl (triphenylphosphoranylidene)acetate is an organophosphorus compound that appears as a white solid soluble in organic solvents. It is primarily used as a Wittig reagent for olefination reactions in organic synthesis.
Wittig reagent for olefination
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
Methyl 2-(triphenylphosphoranylidene)propanoate
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ReferenceSame Category
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ReferenceSame Category
Borane-pyridine complex
CAS110-51-0
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Referencesame scaffold
Methyl (triphenylphosphoranylidene)acetate
CAS2605-67-6
pharmaceutical intermediate
Referencesame scaffold
Tert-Butyl(triphenylphosphoranylidene)acetate
CAS35000-38-5
pharmaceutical intermediate
Referencesame scaffold
1-(Triphenylphosphoranylidene)acetone
CAS1439-36-7
research compound
Safety Reference
Danger
H300Fatal if swallowed
H301Toxic if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Ethyl (triphenylphosphoranylidene)acetate (CAS 1099-45-2) 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
ethyl 2-(triphenyl-lambda5-phosphanylidene)acetate
InChIKey
IIHPVYJPDKJYOU-UHFFFAOYSA-N
SMILES
CCOC(=O)C=P(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
Synonyms (31)
- Phosphorane, ethyl ester
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