12070-14-3

• 常用中文名：碳化锆
• 常用英文名：Zirconium(IV) carbide
• CAS号：12070-14-3
• 分子式：CZr
• 分子量：103.235
• 相关类别： 无机化工 无机盐 碳化物及碳酸盐
• 发布时间：2018-06-07 19:00:29
• 更新时间：2024-01-02 20:35:22
• 【用途1】
  曾用作白热灯丝。现主要用作磨料。还可用作硬质合金的原料。
  【用途2】
  碳化锆是一种硬度大的高熔点材料和极好的高温耐火材料。用做火箭发动机中固体推进剂的一种原料。用于生产合金钢。也是生产金属锆和四氯化锆原料，以及有前途的精细陶瓷材料。

名称

• 中文名: 碳化锆
• 英文名: Zirconium carbide
• 中文别名: 碳化鋯; 碳化锆/纳米碳化锆
• 英文别名: zirconiumcarbide(zrc); ZIRCONIUM CARBIDE: ZRC A; MFCD00049640; ZRC B; Zirconiumcarbide(-Zr); Zirconium carbide (ZrC); ZRC AX; EINECS 235-125-1; Zirconium(IV) carbide; Zirconium Carbide,-325 Mesh

物化性质

• 密度: 6.73
• 沸点: 5100ºC
• 熔点: 3540ºC
• 分子式: CZr
• 分子量: 103.235
• 精确质量: 101.904701
• LogP: 0.08130
• 外观性状: 固体
• 储存条件:

  常温密闭避光，通风干燥处

• 稳定性:

  常温常压下稳定

  避免的物料 氧化物 空气

• 分子结构:

  1、摩尔折射率：无可用的

  2、摩尔体积（cm³/mol）：无可用的

  3、等张比容（90.2K）：无可用的

  4、表面张力（dyne/cm）：无可用的

  5、介电常数：无可用的

  6、极化率（10^-24cm³）：无可用的

  7、单一同位素质量：101.904702 Da

  8、标称质量：102 Da

  9、平均质量：103.2347 Da

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  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.互变异构体数量:无

  6.拓扑分子极性表面积0

  7.重原子数量:2

  8.表面电荷:-1

  9.复杂度:2

  10.同位素原子数量:0

  11.确定原子立构中心数量:0

  12.不确定原子立构中心数量:0

  13.确定化学键立构中心数量:0

  14.不确定化学键立构中心数量:0

  15.共价键单元数量:2

• 更多:

  1. 性状：黑色固体

  2. 密度（g/mL, 18 ℃ ）：6.73

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：3540

  5. 沸点（ºC,常压）：5100

  6. 沸点（ºC，1mmHg）：未确定

  7. 折射率：未确定

  8. 闪点（ºC）：未确定

  9. 比旋光度（º）：未确定

  10. 自燃点或引燃温度（ºC）：未确定

  11. 蒸气压（20ºC）：未确定

  12. 饱和蒸气压（kPa,60ºC）：未确定

  13. 燃烧热（KJ/mol）：未确定

  14. 临界温度（ºC）：未确定

  15. 临界压力（KPa）：未确定

  16. 油水（辛醇/水）分配系数的对数值：未确定

  17. 爆炸上限（%,V/V）：未确定

  18. 爆炸下限（%,V/V）：未确定

  19. 溶解性：遇水分解，溶于酸

MSDS

Section 1: Product Identification Chemical Name:Zirconium carbide (99+%-Zr) CAS Registry Number:12070-14-3 Formula:ZrC EINECS Number:235-125-1 Chemical Family:metal carbides Synonym:none Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title compound12070-14-3100%5mg/m3 (as Zr)5mg/m3 (as Zr) Section 3: Hazards Identification Emergency Overview:May be irritating to skin, eyes and mucous membranes. Primary Routes of Exposure:Ingestion Eye Contact:May cause mild to moderate irritation of the eyes. Skin Contact:May cause slight to mild irritation of the skin. Inhalation:Dust may be irritating to the nose, mucous membranes and respiratory tract. Ingestion:No information is available on the physiological effects of ingestion. Acute Health Affects:May be irritating to skin, eyes and respiratory tract. Chronic Health Affects:No information available on long-term chronic effects. NTP:No IARC:No OSHA:No SECTION 4: First Aid Measures Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need Eye Exposure: assistance in keeping their eye lids open. Get immediate medical attention. Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if Skin Exposure: irritation persists. Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in Inhalation: breathing, coughing, wheezing or pain. In such cases seek immediate medical assistance. Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce Ingestion: vomiting only if directed by medical personnel. SECTION 5: Fire Fighting Measures Flash Point:no data Autoignition Temperature:no data Explosion Limits:no data Extinguishing Medium:carbon dioxide, foam or dry powder If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure Special Fire Fighting Procedures: self-contained breathing apparatus. Hazardous Combustion andIf involved in a fire this material may release toxic and corrosive fumes. Decomposion Products: Unusual Fire or Explosion Hazards: Flammable. No unusual fire or explosion hazards. SECTION 6: Accidental Release Measures Spill and Leak Procedures:Sweep up the solids and dispose of properly. SECTION 7: Handling and Storage Handling and Storage:Store the material in a sealed container. Keep away from heat. SECTION 8: Exposure Controls and Personal Protection Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory. Skin Protection:Wear protective clothing and gloves. Ventilation:If possible, handle the material in an efficient fume hood. If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory Respirator: Protection Program to be in compliance with 29 CFR 1910.134. Ventilation:If possible, handle the material in an efficient fume hood. Additional Protection:No additional protection required. SECTION 9: Physical and Chemical Properties Color and Form:3 micron black powder Molecular Weight:103.23 Melting Point:3540° Boiling Point:5100°C Vapor Pressure:no data Specific Gravity:6.73 Odor:none Solubility in Water:insoluble SECTION 10: Stability and Reactivity Stability:air and moisture stable Hazardous Polymerization:No hazardous polymerization. Conditions to Avoid:none Incompatibility:oxidizing agents and halogens Decomposition Products:carbon monoxide, carbon dioxide and zirconium oxide. SECTION 11: Toxicological Information RTECS Data:No information available in the RTECS files. Carcinogenic Effects:no data Mutagenic Effects:no data Tetratogenic Effects:no data SECTION 12: Ecological Information Ecological Information:No information available SECTION 13: Disposal Considerations Disposal:Dispose of according to local, state and federal regulations. SECTION 14: Transportation Shipping Name (CFR):Flammable solid, Inorganic, N.O.S. Hazard Class (CFR):4.1 Additional Hazard Class (CFR):NA Packaging Group (CFR):III UN ID Number (CFR):UN# 3178 Shipping Name (IATA):Flammable solid, Inorganic, N.O.S. Hazard Class (IATA):4.1 Additional Hazard Class (IATA):NA Packaging Group (IATA):III UN ID Number (IATA):UN# 3178 SECTION 15: Regulatory Information TSCA:Listed in the TSCA inventory. SARA (Title 313):Title compound not listed Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

毒理学数据: 主要的刺激性影响： 在皮肤上面：刺激皮肤和粘膜 在眼睛上面：刺激的影响 致敏作用：没有已知的敏化现象 生态学数据: 通常对水是不危害的，若无政府许可，勿将材料排入周围环境。

安全

• 符号: GHS02, GHS07
• 信号词: Danger
• 危害声明: H228-H302 + H312 + H332
• 警示性声明: P210-P261-P280-P301 + P312 + P330-P370 + P378
• 个人防护装备: dust mask type N95 (US);Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
• 危害码 (欧洲): F:Flammable;Xn:Harmful;
• 风险声明 (欧洲): R11;R20/21/22
• 安全声明 (欧洲): S16-S27-S33-S36/37/39
• 危险品运输编码: UN 3178
• WGK德国: 3
• 包装等级: III
• 危险类别: 4.1
• 海关编码: 2849909000

制备

碳还原法在电弧炉中用碳还原锆英石，制得碳化锆；在感应加热真空炉中用碳还原氧化锆也可制得碳化锆。
气相沉积法四氯化锆与碳氢化合物在氢气氛中，于900～1400℃反应，化学气相沉积而制得碳化锆。

海关

海关编码	2849909000