13472-30-5

• 常用中文名：原硅酸钠
• 常用英文名：Sodium orthosilicate
• CAS号：13472-30-5
• 分子式：Na₄O₄Si
• 分子量：184.04200
• 相关类别： 无机化工 无机盐 硅化物及硅酸盐
• 发布时间：2018-04-01 08:00:00
• 更新时间：2024-01-08 18:36:49

名称

• 中文名: 原硅酸钠
• 英文名: tetrasodium,silicate
• 中文别名: 原硅酸四钠
• 英文别名: EINECS 236-741-3; MFCD00014252; SODIUM ORTHOSILICATE; Tetrasodium orthosilicate; Silicic acid (H4SiO4),tetrasodium salt; tetrasodium silicate

物化性质

• 熔点: 1018ºC
• 分子式: Na₄O₄Si
• 分子量: 184.04200
• 精确质量: 183.91600
• PSA: 92.24000
• 外观性状: Crystalline | White
• 储存条件:

  常温密闭，阴凉通风干燥

• 稳定性:

  常温常压下稳定

  避免的物料 酸

• 水溶解性: Soluble in water.
• 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：183.915664 Da

  8、标称质量：184 Da

  9、平均质量：184.0422 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:4

  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92.2

  7.重原子数量:9

  8.表面电荷:0

  9.复杂度:19.1

  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:5

• 更多:

  1. 性状：白色无味晶体

  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：可溶解的

MSDS

Section 1: Product Identification Chemical Name:Sodium orthosilicate CAS Registry Number:13472-30-5 Formula:Na4SiO4 EINECS Number:236-741-3 Chemical Family:metal silicate Synonym:Silicic acid tetrasodium salt, Sodium silicate Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound13472-30-5100%no datano data Section 3: Hazards Identification Emergency Overview:Corrosive alkali. Causes burns to skin and mucous membranes. Primary Routes of Exposure:Ingestion, inhalation, skin and eyes Eye Contact:Causes burning of the eyes resulting in redness, chemical burns and watering. Skin Contact:Prolonged contact with moist skin causes chemical burns. Inhalation:May cause difficulty in breathing and irritate the mucous membranes and respiratory tract. Ingestion:Corrosive to mouth and throat and may cause ulceration of esophagus and stomach. Acute Health Affects:Burns will occur at all points of bodily contact Chronic Health Affects:Prolonged inhalation of silica dust can produce silicosis with impairment of the cardiopulmonary system. 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 required If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained Special Fire Fighting Procedures: breathing apparatus and full protective clothing. Hazardous Combustion andNone 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 powdered sodium carbonate or ground limestone and swept up. SECTION 7: Handling and Storage Handling and Storage:Store material in a tightly sealed bottle away from moisture. 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 clothes and gloves. Consult with glove manufacturer to determine the proper type of glove. Ventilation:If possible, handle the material in an efficient fume hood. In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a Respirator: 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:white pwdr. Molecular Weight:184.04 Melting Point:1018° Boiling Point:no data Vapor Pressure:not applicable Specific Gravity:no data Odor:none Solubility in Water:soluble SECTION 10: Stability and Reactivity Stability:air and moisture stable Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:none Incompatibility:None Decomposition Products:none SECTION 11: Toxicological Information RTECS Data:No information available in the RTECS files. Carcinogenic Effects:none Mutagenic Effects:none Tetratogenic Effects:none 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):Corrosive solids, N.O.S. Hazard Class (CFR):8 Additional Hazard Class (CFR):NA Packaging Group (CFR):III UN ID Number (CFR):UN# 1759 Shipping Name (IATA):Corrosive solids, N.O.S. Hazard Class (IATA):8 Additional Hazard Class (IATA):NA Packaging Group (IATA):III UN ID Number (IATA):UN# 1759 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: 1、急性毒性：主要的刺激性影响： 在皮肤上面：在皮肤和粘膜上造成腐蚀性影响； 在眼睛上面：强烈的腐蚀性影响；没有已知的敏化影响。 生态学数据: 通常对水体是稍微有害的，不要将未稀释或大量产品接触地下水，水道或污水系统，未经政府许可勿将材料排入周围环境。

安全

• 危害码 (欧洲): C
• 风险声明 (欧洲): R34
• 安全声明 (欧洲): 26-36/37/39
• 危险品运输编码: UN 3262
• 包装等级: II