| Product Identification | Back to Contents | 【Product Name】
Thiocarbamide | 【Synonyms】
2-Thiourea
Isothiourea
Pseudothiourea
Thiocarbamide | 【CAS】
62-56-6 | 【Formula】
CH4N2S | 【Molecular Weight】
76.12 | 【EINECS】
200-543-5 | 【RTECS】
YU2800000 | 【RTECS Class】
Agricultural Chemical and Pesticide; Tumorigen; Drug; Mutagen; Reproductive Effector; Human Data; Primary Irritant | 【Merck】
12,9505 | 【Beilstein/Gmelin】
605327 | 【Beilstein Reference】
4-03-00-00342 | 【EC Index Number】
612-082-00-0 | 【EC Class】
Carcinogenic Category 3; Toxic for reproduction Category 3; Harmful; Dangerous for the Environment |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White, lustrous crystals. | 【Solubility in water】
Soluble | 【Melting Point】
174 - 177 | 【Vapor Pressure】
0.002 (100 C) | 【Density】
1.435 g/cm3 (20 C) | 【pKa/pKb】
-1.0(at 25℃) (pKa) | 【Partition Coefficient】
-1.08 | 【Heat Of Vaporization】
60.0 kJ/mol | 【Heat Of Combustion】
-1489 kJ/mol | 【Usage】
Photographic fixing agent and to remove stains from negatives, manufacture of resins, vulcanization accelerator, a reagent for bismuth, selenite ions. | 【Vapor Density】
2.6 | 【Refractive Index】
1.637 (30 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
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 immediately. Induce vomiting by giving one teaspoon of Syrup of Ipecac. Call a poison control center. | 【Inhalation】
Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask. | 【Skin】
Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | 【Eyes】
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Do not breathe dust, vapor, mist, or gas. Do not ingest or inhale. Discard contaminated shoes. |
| Hazards Identification | Back to Contents | 【Inhalation】
May cause respiratory tract irritation. | 【Skin】
Causes skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. May cause skin eruptions. | 【Eyes】
Causes eye irritation. | 【Ingestion】
Harmful if swallowed. May cause allergic reaction characterized by a rash. May cause severe irritation of the digestive tract. May cause anemia, leukopenia, and thrombocytopenia. May cause bone marrow depression. | 【Hazards】
Contact with metals may evolve flammable hydrogen gas. | 【EC Risk Phrase】
R 22 40 51/53 63 | 【EC Safety Phrase】
S 36/37 61 | 【UN (DOT)】
2877 |
| Exposure Controls/Personal Protection | Back to Contents | 【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. | 【Respirators】
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. | 【Exposure Effects】
Chronic ingestion may cause liver damage. May cause cancer according to animal studies. May cause reproductive and fetal effects. Prolonged or repeated exposure may cause thyroid damage. Laboratory experiments have resulted in mutagenic effects. | 【Poison Class】
3 |
| Fire Fighting Measures | Back to Contents | 【Autoignition】
440 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Water runoff can cause environmental damage. Dike and collect water used to fight fire. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. Extinguishing media: Substance is nonflammable; use agent most appropriate to extinguish surrounding fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam. | 【Fire Potential】
Slightly flammable. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Vacuum or sweep up material and place into a suitable disposal container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Incompatibilities】
Oxidizing agents, strong acids, strong bases, acrolein, nitric acid, hydrogen peroxides, acrylaldehyde. | 【Stability】
Stable under normal temperatures and pressures. Polymerization may occur upon heating. | 【Decomposition】
Nitrogen oxides, carbon monoxide, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide, nitrogen. | 【Combustion Products】
May contain highly toxic fumes of NOx and SOx. |
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