Brown - gray solid
Registry Numbers and Inventories.
EC Index Number
toxic, dangerous for the environment
R 23/24/25 33 50/53
S 28 36/37 45 60 61
Japan ENCS (MITI)
Melting point, °C
93 - 96
Boiling point, °C
Vapor pressure, mmHg
0.007 (25 C)
Solubility in water
Partition coefficient, pKow
Heat of vaporization
Heat of combustion
Hazards and Protection.
Store in a cool, dry place. Store in a tightly closed container.
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent 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.
Vacuum or sweep up material and place into a suitable disposal container.
Acids, acid chlorides, strong oxidizing agents, chloroformates, acid anhydrides.
Hydrogen chloride, carbon monoxide, oxides of nitrogen, carbon dioxide.
Wear approved SCBA in full pressure-demand and full protective gear. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Poison by ingestion. Effects may be delayed 2 to 4 hours. Methemoglobinemia is characterized by dizziness, drowsiness, headache, breath shortness, cyanosis with bluish skin, rapid heart rate and chocolate-brown colored blood.
May cause effects similar to those described for ingestion. Toxic if inhaled.
Toxic in contact with skin.
May cause eye irritation.
Get medical aid immediately. Wash mouth out with 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 immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.
I; II; III
2921 42 10