12018-10-9

• 常用中文名：亚铬酸铜
• 常用英文名：copper dichromium tetraoxide
• CAS号：12018-10-9
• 分子式：Cr₂CuO₄
• 分子量：231.53600
• 发布时间：2018-09-01 09:16:01
• 更新时间：2024-01-04 07:26:45

• 用做碳氢化合物氧化催化剂。

名称

• 中文名: 亚铬酸铜
• 英文名: Copper chromite
• 英文别名: MFCD00148884

物化性质

• 密度: 4.5 g/cm3
• 分子式: Cr₂CuO₄
• 分子量: 231.53600
• 精确质量: 230.79000
• PSA: 60.44000
• 外观性状: 粉末
• 储存条件:

  密闭于阴凉干燥环境中

• 稳定性:

  遵照规定使用和储存则不会分解。尖晶石结构，Cr(Ⅲ)存在于四面体环境中。晶体不溶于水，铁磁性物质。

• 分子结构:

  1、摩尔折射率：无可用

  2、 摩尔体积（cm³/mol）：无可用

  3、 等张比容（90.2K）：无可用

  4、 表面张力（dyne/cm）：无可用

  5、 极化率：无可用

• 计算化学:

  1、 疏水参数计算参考值（XlogP）：无可用

  2、 氢键供体数量：0

  3、 氢键受体数量：1

  4、 可旋转化学键数量：0

  5、 拓扑分子极性表面积（TPSA）：17.1

  6、 重原子数量：3

  7、 表面电荷：2

  8、 复杂度：2

  9、 同位素原子数量：0

  10、 确定原子立构中心数量：0

  11、 不确定原子立构中心数量：0

  12、 确定化学键立构中心数量：0

  13、 不确定化学键立构中心数量：0

  14、 共价键单元数量：2

• 更多:

  1. 性状：无可用

  2. 密度（g/mL,25/4℃）：4.5

  3. 相对蒸汽密度（g/mL,空气=1）：无可用

  4. 熔点（ºC）：无可用

  5. 沸点（ºC,常压）：无可用

  6. 沸点（ºC,5.2kPa）：无可用

  7. 折射率：无可用

  8. 闪点（ºC）：无可用

  9. 比旋光度（º）：无可用

  10. 自燃点或引燃温度（ºC）：无可用

  11. 蒸气压（kPa,25ºC）：无可用

  12. 饱和蒸气压（kPa,60ºC）：无可用

  13. 燃烧热（KJ/mol）：无可用

  14. 临界温度（ºC）：无可用

  15. 临界压力（KPa）：无可用

  16. 油水（辛醇/水）分配系数的对数值：无可用

  17. 爆炸上限（%,V/V）：无可用

  18. 爆炸下限（%,V/V）：无可用

  19. 溶解性：无可用

MSDS

Name: Copper chromite catalyst Material Safety Data Sheet Synonym: None CAS: 12018-10-9 Section 1 - Chemical Product MSDS Name:Copper chromite catalyst Material Safety Data Sheet Synonym:None Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 12018-10-9 Chromium copper oxide ca.100 234-634-6 Hazard Symbols: XI Risk Phrases: 20/21 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful by inhalation and in contact with skin. Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. May cause chemical conjunctivitis. Skin: Causes skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Inhalation: Causes respiratory tract irritation. May be harmful if inhaled. Can produce delayed pulmonary edema. Chronic: Effects may be delayed. Section 4 - FIRST AID MEASURES Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Ingestion: 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. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and supportively. Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, 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 water spray, dry chemical, carbon dioxide, or appropriate foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 12018-10-9: United Kingdom, WEL - TWA: (listed as chromium (vi) compounds): 0 mg/m3 TWA (as Cr) United Kingdom, WEL - STEL: (listed as chromium (vi) compounds): mg/m3 STEL (as Cr) United States OSHA: 0.1 mg/m3 TWA (fume); 1 mg/m3 TWA (dusts and mists) (listed under Copper). Belgium - TWA: (listed as copper): 0.2 mg/m3 VLE (fume); 1 mg/m3 (dust and mist) France - VME: (listed as chromium (vi) compounds): 0.05 mg/m3 VME Cr) France - VLE: (listed as copper): 2 mg/m3 VLE (dust, as Cu) Germany: (listed as chromium (vi) compounds): 0.05 mg/m3 VME (as Japan: (listed as chromium (vi) compounds): 0.05 mg/m3 OEL (as Cr 0.01 mg/m3 OEL (certain compounds, as Cr) Malaysia: (listed as copper): 0.2 mg/m3 TWA (fume, as Cu); 1 mg/m TWA (dust and mist, as Cu) Netherlands: (listed as copper): 0.2 mg/m3 MAC (smoke); 1 mg/m3 M (dust) Russia: (listed as copper): 1 mg/m3 TWA (dust) Russia: (listed as copper): 0.5 mg/m3 STEL (dust) Spain: (listed as copper): 0.2 mg/m3 VLA-ED (fume); 1 mg/m3 VLA-E (dust and mist, as Cu) Personal Protective Equipment 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 respirator use. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Powder Color: brown-black fine Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: Not available. Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: Cr2Cu2O5 Molecular Weight: 311.07 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable at room temperature in closed containers under normal storage and handling conditions. Conditions to Avoid: Incompatible materials, excess heat. Incompatibilities with Other Materials: None reported.. Hazardous Decomposition Products: Nature of decomposition products unknown.. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 12018-10-9 unlisted. LD50/LC50: Not available. Carcinogenicity: Chromium copper oxide - California: carcinogen, initial date 2/27/87 (listed as Chromium (VI) NTP: Known carcinogen (listed as Chromium (VI) compounds). IARC: Group 1 carcinogen (listed as Chromium (VI) compounds). Section 12 - ECOLOGICAL INFORMATION Other No information available. Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA Shipping Name: DYE, SOLID, TOXIC, N.O.S.* Hazard Class: 6.1 UN Number: 3143 Packing Group: III IMO Shipping Name: DYE, SOLID, TOXIC, N.O.S. Hazard Class: 6.1 UN Number: 3143 Packing Group: III RID/ADR Shipping Name: DYE, SOLID, TOXIC, N.O.S. Hazard Class: 6.1 UN Number: 3143 Packing group: III Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI Risk Phrases: R 20/21 Harmful by inhalation and in contact with skin. R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 23 Do not inhale gas/fumes/vapour/spray. S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 12018-10-9: No information available. Canada CAS# 12018-10-9 is listed on Canada's DSL List. CAS# 12018-10-9 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 12018-10-9 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 该物质对环境可能有危害，对水体应给予特别注意。

安全

• 危害码 (欧洲): Xi:Irritant;
• 风险声明 (欧洲): R20/21;R36/37/38
• 安全声明 (欧洲): S23-S24/25
• 危险品运输编码: UN 1479 5
• 包装等级: I; II; III
• 危险类别: 6.1
• 海关编码: 2841500000

制备

将CuO和Cr2O3在867℃下加热21h，然后于997℃下通O2 6h即可得到CuCr2O4。

采用BriGGS［36］的方法制备母液(NH4)2Cu(CrO4)2·2NH3弃去上述溶液形成的外壳。用稀氨水洗涤产品。小心加热母液，使形成混合氧化物，然后在800℃时点燃，最后在700℃保持一天，最终的烘烤温度是很重要的。如果产物被加热到1100℃,则形成CuCrO2和Cr2O3的混合物。

海关

海关编码	2841500000