63231-67-4

• 常用中文名：硅胶
• 常用英文名：LICHROSORB(R) RP8
• CAS号：63231-67-4
• 分子式：H₂O₃Si
• 分子量：78.09960
• 相关类别： 无机化工 硅胶
• 发布时间：2018-04-08 08:00:00
• 更新时间：2024-01-03 00:24:48

• 1.在畜牧业中多用硅胶300制取氯化胆碱粉剂，提高微粒型维生素A、D、E、B2的松散度。

  2.用作气相色谱和液相色谱的固定相。还用于气体和液体的脱水和净化。

名称

• 中文名: 硅胶60
• 英文名: lichrosorb(r) rp8
• 中文别名: 硅胶
• 英文别名: MFCD00011232; EINECS 231-545-4

物化性质

• 分子式: H₂O₃Si
• 分子量: 78.09960
• 精确质量: 77.97730
• PSA: 57.53000
• 外观性状: 白色粉末
• 储存条件:

  存放在密封容器内，并放在阴凉，干燥处，避免接触湿气和水源。

• 稳定性:

  远离氟化氮。

• 水溶解性: Soluble in hydrofluoric acid. Insoluble in water.
• 计算化学:

  1、 疏水参数计算参考值（XlogP）：

  2、 氢键供体数量：

  3、 氢键受体数量：

  4、 可旋转化学键数量：

  5、 拓扑分子极性表面积（TPSA）：

  6、 重原子数量：

  7、 表面电荷：

  8、 复杂度：

  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：1

• 更多:

  1. 性状：白色粉末。

  2. 密度（g/mL,25/4℃）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：未确定

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,5.2kPa）：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（kPa,25ºC）：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：不能溶于水。能耐盐酸、硫酸、硝酸的浸渍，溶于氢氟酸和强碱溶液。有较大的比表面积和较强的机械强度，是极性吸附剂。

MSDS

Section 1: Product Identification Chemical Name:Silica gel, large pore CAS Registry Number:63231-67-4 Formula:H2SiO3 EINECS Number:215-683-2 Chemical Family:metal oxide Synonym:Hydrosilisic acid, Polysilicic acid Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound63231-67-4100%10mg/m3 (amorphs)15mg/m3 ( dust) Section 3: Hazards Identification Emergency Overview:No particular hazard associated with this material. May be irritating to skin, eyes and respiratory tract. Primary Routes of Exposure:Ingestion, inhalation Eye Contact:May cause slight to mild irritation of the eyes. Skin Contact:May cause slight to mild irritation of the skin. Inhalation:May be irritating to the nose, mucous membranes and respiratory tract. Ingestion:No specific 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 Inhalation: in 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:not applicable Autoignition Temperature:none Explosion Limits:none Extinguishing Medium:None. Material is non-flammable. Special Fire Fighting Procedures:No special fire-fighting procedures. The material is non-flammable. Hazardous Combustion andNo hazardous combustion or decomposition products. Decomposion Products: Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards. SECTION 6: Accidental Release Measures Spill and Leak Procedures:Small spills can be mixed with vermiculite or sodium carbonate and swept up. SECTION 7: Handling and Storage Handling and Storage:No special storage conditions. 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 appropriate chemical resistant gloves and protective clothing. Ventilation:Material may form a fine dust. 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 Respirator Respirator: Protection Program to be in compliance with 29 CFR 1910.134. Ventilation:Material may form a fine dust. 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:8 mesh white gran. Molecular Weight:not applicable Melting Point:no data Boiling Point:no data Vapor Pressure:not applicable Specific Gravity:no data 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:hydrogen fluoride Decomposition Products:none SECTION 11: Toxicological Information RTECS Data:Inhalation (rat); TCLo: 680 mg/m3/6H/2W-I. Inhalation (rat); TCLo: 35 mg/m3/6H/13W-I. 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):Non-hazardous Hazard Class (CFR):NA Additional Hazard Class (CFR):NA Packaging Group (CFR):NA UN ID Number (CFR):NA Shipping Name (IATA):Non-hazardous Hazard Class (IATA):NA Additional Hazard Class (IATA):NA Packaging Group (IATA):NA UN ID Number (IATA):NA 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

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。 CHEMICAL IDENTIFICATION RTECS NUMBER : VV7340000 CHEMICAL NAME : Silica gel CAS REGISTRY NUMBER : 63231-67-4 LAST UPDATED : 199710

安全

• WGK德国: 3
• RTECS号: VV7340000

制备

1.以水洗并干燥后的精选石英砂和试剂氢氧化钠加热共熔后用盐酸酸化，在溶液中聚合而成凝胶状聚合物，经水洗去除氯离子，烘干后即为颗粒状硅胶。用以脱水或净化的成品硅胶有不同的形状：不规则形和圆珠形的。用于气相色谱法固定相的应为具有一定筛目范围的不规则形硅胶；用于液相色谱法固定相的应为进行过预处理、并具有一定筛目范围的圆珠形硅胶。