Transparent, colorless or white crystals or crystalline powder, odorless, hygroscopic.
In fireworks, fluxes, pickling of meats, manufacture glass, matches, gunpowder, blasting powders, in freezing mixt, impregnating candle wicks, treating tobacco, tempering steel.
Registry Numbers and Inventories.
S 17 24/25
Drug; Mutagen; Reproductive Effector
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Vapor pressure, mmHg
3E-5 (4000 C)
Vapor density (air=1)
Odor Threshold Odor threshold Odorless
2.109 g/cm3 (20 C)
Solubility in water
61.1 (10 C)
Heat of fusion
Hazards and Protection.
Do not store near combustible materials. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from reducing agents.
Wash thoroughly after handling. Avoid prolonged or repeated contact with skin. Avoid contact with eyes. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse. Keep away from clothing and other combustible materials.
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 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.
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation. Do not use combustible materials such as paper towels to clean up spill.
Stable under normal temperatures and pressures.
Reacts violently with organic materials, combustible materials, and reducing agents. Specific incompatibles under various conditions include aluminum, titanium, antimony, germanium, zinc, zirconium, calcium disilicide, chromium nitride, metal sulfides, boron, carbon, sulfur, phosphorus, phosphides, sodium phosphinate, sodium thiosulfate, citric acid, tin chloride, sodium acetate, and thorium carbide.
Nitrogen oxides, irritating and toxic fumes and gases, oxygen.
Flood with water. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible.
Dangerous fire. Risk when shocked or heated.
May explode from heat or contamination. May react explosively with hydrocarbons (fuels). May ignite combustibles.
May produce toxic nitrogen oxides upon decomposition.
OEL-RUSSIA:STEL 5 mg/m3
Prolonged exposure may cause anemia and methemoglobinemia, characterized by dizziness, drowsiness, headache, breath shortness, cyanosis, rapid heart rate and chocolate-brown colored blood. May cause kidney injury. May cause methemoglobinemia, which is characterized by chocolate-brown colored blood, headache, weakness, dizziness, breath shortness, cyanosis, rapid heart rate, unconsciousness and possible death.
Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
May cause respiratory tract irritation. May cause methemoglobinemia, cyanosis, convulsions, tachycardia, dyspnea, and death.
Dust causes mechanical irritation. Low hazard for usual industrial handling.
May cause eye irritation.
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
USCG CHRIS Code
2834 21 00
Std. Transport #