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求助：化学物的毒性查询
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| 求钼酸钠，三氯化铈，硝酸亚铈的毒性数据，包括物质的生物降解性，体内积累，毒性，致癌等方面。或者请告诉我怎么查也好，多谢了 |
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3楼2007-09-22 14:13:03
★
新研楼(金币+1,VIP+0):谢谢
新研楼(金币+1,VIP+0):谢谢
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Sodium molybdate: Formula Na2MoO4 Structure Na2MoO4 Description Colorless cubic crystals Uses Production of inorganic and organic pigments, corrosion inhibitor, bath additive for metals finishing, reagent for alkaloids, micronutrient for plants and animals. CAS 7631-95-0 EC (EINECS/ELINCS) 231-551-7 EC Risk Phrase 36/37/38 EC Safety Phrase 26 37/39 RTECS QA5075000 RTECS class Mutagen; Reproductive Effector Merck 13,8718 Beilstein/Gmelin 23024 (G) Canada DSL/NDSL DSL Properties: Formula mass 205.92 Melting point, °C 687 Density 3.28 g/cm3 (18 C) Solubility in water 394 g/L (25 C) Refractive index 1.714 Thermal expansion 2.31E-4/K Heat of fusion 21.4 kJ/mol Hazards and Protection: Storage: Keep tightly closed. Protection: Compatible chemical-resistant gloves. Chemical safety goggles. Respirators :Government approved respirator. Small spills/leaks : Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete. Stability :Stable at normal temperatures and pressures. Incompatibilities: Strong oxidizing agents. Decomposition :Carbon monoxide, Carbon dioxide, Molybdenum oxides Fire fighting: Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. Hazards:Emits toxic fumes under fire conditions. NFPA Health 2 Flammability 0 Reactivity 0 Exposure effects :Irritant. Irritating to eyes, respiratory system and skin. Ingestion: May be harmful if swallowed. Inhalation :Material is irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled. Skin: Causes skin irritation. May be harmful if absorbed through the skin. Eyes: Causes eye irritation. Ingestion :If swallowed, wash out mouth with water provided person is conscious. Call a physician. Inhalation: If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Skin :In case of contact, immediately wash skin with soap and copious amounts of water. Eyes: In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes. Cerium(III) chloride Cerous chloride Cerium trichloride Formula CeCl3 Description :White hexagonal crystals Uses: Used in production of Ce and Ce salts. CAS 7790-86-5 EC (EINECS/ELINCS) 232-227-8 EC Risk Phrase 36/37/38 EC Safety Phrase 26 36 RTECS FK5075000 RTECS class Mutagen Merck 13,2008 Beilstein/Gmelin 1828 (G) Canada DSL/NDSL DSL Formula mass 246.47 Melting point, °C 848 Density 3.193 g/cm3 Refractive index 1.467 (20 C) Heat of fusion 54.0 kJ/mol Storage :Keep tightly closed. Protection: Compatible chemical-resistant gloves. Chemical safety goggles. Respirators :Government approved respirator. Small spills/leaks :Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete. Stability Stable at normal temperatures and pressures. Protect from moisture. Incompatibilities: Strong oxidizing agents, Strong acids. Decomposition :Nature of decomposition products not known. Fire fighting :Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. Hazards :Emits toxic fumes under fire conditions. NFPA Health 2 Flammability 0 Reactivity 1 Exposure effects :Irritant. Irritating to eyes, respiratory system and skin. Ingestion :May be harmful if swallowed. Inhalation :Material is irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled. Skin :Causes skin irritation. May be harmful if absorbed through the skin. Eyes :Causes eye irritation. Ingestion: If swallowed, wash out mouth with water provided person is conscious. Call a physician. Inhalation: If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Skin: In case of contact, immediately wash skin with soap and copious amounts of water. Eyes: In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes. |
2楼2007-09-22 13:04:10
4楼2007-09-22 17:13:32
