1,2-Diazenedicarboxylicacid, 1,2-bis(phenylmethyl) ester cas no:2449-05-0

Name1,2-Diazenedicarboxylicacid, 1,2-bis(phenylmethyl) ester
CAS2449-05-0
SynonymsDiazenedicarboxylicacid, bis(phenylmethyl) ester (9CI);Formic acid, azodi-, dibenzyl ester(6CI,7CI,8CI);Dibenzyl azodicarboxylate;NSC 620564;
EINECS(EC#)219-508-0
Molecular FormulaC₁₆H₁₄N₂O₄
Molecular Weight298.29

AppearanceYellow to orange crystalline powder
refractive index1.567
storage temp0-6°C

Hazard F:Flammable;Xi:Irritant;
Risk R11;R36/37/38
Safety

Hazard Codes:
F: Flammable
Xi: Irritant
Risk Statements about Dibenzyl azodicarboxylate (2449-05-0):
R11 Highly flammable. 
R36/37/38 Irritating to eyes, respiratory system and skin. 
Safety Statements about Dibenzyl azodicarboxylate (2449-05-0):
S16 Keep away from sources of ignition - No smoking. 
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39 Wear suitable gloves and eye/face protection.
Attentions:
1. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 °C).
2. Handling: Avoid ingestion and inhalation. Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed.
3. Personal Protection: Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
4. Fire Fighting: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.