Alfa Aesar o-Phenylenediamine, 98%
Manufacturer: Alfa Aesar A1194614
o-phenylenediamine is used to prepare tiabendazole, pyrazinamide, morinamide, clemizole and chlormidazole. It is involved in the synthesis of benzimidazole by reacting with carboxylic acids and their derivatives. It is also used to prepare quinoxalinedione and mercaptoimidazoles by condensation with dimethyl oxalate and xanthate esters respectively. It reacts with nitrous acid to get benzotriazole, which finds application as a corrosion inhibitor. It is actively involved in the preparation of pharmaceuticals by reacting substituted o-phenylenediamine with various diketones.
Soluble in alcohol, chloroform, ether, slightly soluble in water. Soluble in hot water.
Moisture and air sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents.
|256° to 258°C|
|Soluble in alcohol, chloroform, ether, slightly soluble in water|
|100° to 103°C|
Safety and Handling
SDS & Safety Documents
GHS H Statement
Toxic if swallowed.
Suspected of causing genetic defects.
Suspected of causing cancer.
Harmful in contact with skin.
Harmful if inhaled.
Causes serious eye irritation.
May cause an allergic skin reaction.
GHS P Statement
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
DOTInformation : Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: PHENYLENEDIAMINES
RTECSNumber : SS7875000
TSCA : TSCA