Butanoic acid, 3-oxo-,2-[(1-oxo-2-propen-1-yl)oxy]ethyl ester cas no:21282-96-2

NameButanoic acid, 3-oxo-,2-[(1-oxo-2-propen-1-yl)oxy]ethyl ester
CAS21282-96-2
SynonymsAcetoaceticacid, 2-hydroxyethyl ester acrylate (8CI); Butanoic acid, 3-oxo-,2-[(1-oxo-2-propenyl)oxy]ethyl ester (9CI); 2-(Acryloyloxy)ethyl acetoacetate;2-Acetoacetoxyethyl acrylate; Ethylene glycol acetoacetate acrylate
Molecular FormulaC9H12 O5
Molecular Weight200.21

refractive index1.446

Hazard T: Toxic;
Risk R22
Safety

Poison by skin contact. Moderately toxic by ingestion. A skin and eye irritant. See also ESTERS. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes of 2-Acetoacetoxyethyl acrylate (CAS NO.21282-96-2): T
Risk Statements: 22-24-36/37/38 
R22:Harmful if swallowed. 
R24:Toxic in contact with skin. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37-45 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37:Wear suitable protective clothing and gloves. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

1.		skn-rbt 100 mg/24H MOD		85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia, Avicenum.: 1986,730.
2.		eye-rbt 20 mg/24H MOD		85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia, Avicenum.: 1986,730.
3.		orl-rat LD50:1300 mg/kg		TXAPA9    Toxicology and Applied Pharmacology. 28 (1974),313.
4.		skn-rbt LD50:280 mg/kg		TXAPA9    Toxicology and Applied Pharmacology. 28 (1974),313.