tetrasodium orthosilicate

物化性质

熔点：

1018ºC

存储条件/存储方法：

常温密闭，阴凉通风干燥

稳定性相关：

常温常压下稳定

避免的物料 酸

其它信息：

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

安全信息

熔点：

1018ºC

存储条件/存储方法：

常温密闭，阴凉通风干燥

稳定性相关：

常温常压下稳定

避免的物料 酸

其它信息：

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

毒理性

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。

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

分子结构与计算化学数据

分子结构数据

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

计算化学数据

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