- o-Phenylenediamine, 4-nitro-2-amino-4-nitroaniline
Dark red needles.
1,2-Diamino-4-nitrobenzene is used in semi-permanent & permanent hair coloring products. It produces brown, red & blond shades on hair. It has typically been used in medium-brown & medium-red dye formulations. It has also been used in bleach-toner formulations for reddish-blond shades
|Registry Numbers and Inventories.|
|EC Risk Phrase||R 22|
|ENCS (MITI) ||3-402X|
|RTECS class ||Tumorigen (C); Mutagen (M); Reproductive Effector (T)|
|Listed on the Toxic Substancs Control Act (TSCA).|
|Listed on Canadian Domestic Substances List (DSL).|
|Listed on Australian Inventory of Chemical Substances (AICS).|
|Melting point, °C||197 - 202|
|Solubility in water||Insoluble|
|Partition coefficient, pKow||0.88|
|Hazards and Protection.|
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
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.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
|Disposal code |
Stable under normal temperatures and pressures.
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.
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.
This material is probably combustible.
Contact with metals may evolve flammable hydrogen gas.
Fire may produce irritating, corrosive and/or toxic gases.
|Exposure effects||Abnormally low blood pressure and labored respirations may occur. CNS depression and peripheral neuropathy have been reported after ingestion.|
May cause irritation of the digestive tract. May be harmful if swallowed.
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
May cause skin irritation. The toxicological properties of this material have not been fully investigated.
|First aid|| |
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
|Packing Group||I; II; III|