Propanoic acid,2-(triphenylphosphoranylidene)-, ethyl ester cas no:5717-37-3
Synonyms: Propionicacid, 2-(triphenylphosphoranylidene)-, ethyl ester (6CI,7CI,8CI);(Carbethoxyethylidene)triphenylphosphorane;1-(Ethoxycarbonyl)ethylidenetriphenylphosphorane;1-Carboethoxyethylidenetriphenylphosphorane;2-(Triphenylphosphoranylidene)propanoic acid ethyl ester;[a-(Ethoxycarbonyl)ethylidene]triphenylphosphorane;Triphenyl-a-ethoxycarbonylethylidenephosphorane;Ethyl methyltriphenylphosphoranylideneacetate;a-(Ethoxycarbonyl)ethylenetriphenylphosphorane;NSC 76468;
NamePropanoic acid,2-(triphenylphosphoranylidene)-, ethyl ester
CAS5717-37-3
SynonymsPropionicacid, 2-(triphenylphosphoranylidene)-, ethyl ester (6CI,7CI,8CI);(Carbethoxyethylidene)triphenylphosphorane;1-(Ethoxycarbonyl)ethylidenetriphenylphosphorane;1-Carboethoxyethylidenetriphenylphosphorane;2-(Triphenylphosphoranylidene)propanoic acid ethyl ester;[a-(Ethoxycarbonyl)ethylidene]triphenylphosphorane;Triphenyl-a-ethoxycarbonylethylidenephosphorane;Ethyl methyltriphenylphosphoranylideneacetate;a-(Ethoxycarbonyl)ethylenetriphenylphosphorane;NSC 76468;
EINECS(EC#)227-215-4
Molecular FormulaC23H23O2P
Molecular Weight362.4
Appearancewhite or pale yellow powder
refractive index1.634
storage temp0-6°C
Sensitive Air Sensitive
Hazard T:Toxic;
Risk R25;R36/37/38
Safety
Safty information about Ethyl 2-(triphenylphosphoranylidene)propionate (CAS NO.5717-37-3) is:
Hazard Codes: 
T
Risk Statements: 36/37/38-25
R36/37/38:Irritating to eyes, respiratory system and skin.
R25 :Toxic if swallowed.
Safety Statements: 45-37/39-26
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S37/39:Wear suitable gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
