Butanamide,2,2,3,3,4,4,4-heptafluoro- cas no:662-50-0

NameButanamide,2,2,3,3,4,4,4-heptafluoro-
CAS662-50-0
SynonymsButyramide,2,2,3,3,4,4,4-heptafluoro- (6CI,7CI,8CI); 2,2,3,3,4,4,4-Heptafluorobutanamide;Heptafluorobutanamide; Heptafluorobutanoic acid amide; Heptafluorobutyramide;NSC 9451; Perfluorobutyramide
EINECS(EC#)211-553-4
Molecular FormulaC4H2 F7 N O
Molecular Weight213.05

refractive index1.302

Hazard Xi: Irritant;
Risk R22;R36/37/38
Safety

Poison by intraperitoneal route. Forms an unstable explosive complex with lithium tetrahydroaluminate. When heated to decomposition it emits very toxic fumes of F⁻ and NO_x.
Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.

1.

ipr-rbt LD50:126 mg/kg

CBCCT*    “Summary Tables of Biological Tests“ National Research Council Chemical-Biological Coordination Center. 2 (1950),299.