一水合氢氧化钠

一水合氢氧化钠 基本信息
CAS号 12179-02-1 分子式 H3NaO2
分子量 58.01240 精确质量  58.00310
PSA  32.29000 LogP  -0.24110

基本信息 展开↓

CAS号:
12179-02-1
分子式:
H3NaO2
分子量:
58.01240
中文名称:
一水合氢氧化钠
英文名称:
SODIUM HYDROXIDE MONOHYDRATE, 99.996% (METALS BASIS)
中文别名:
一水合氢氧化钠;
氢氧化钠一水
英文别名:
SODIUM HYDROXIDE MONOHYDRATE, 99.996% (METALS BASIS);
SODIUM HYDROXIDE MONOHYDRATE
精确分子量/精确质量:
58.00310
极性分子表面积/PSA:
32.29000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
贝尔斯坦号/MDL:
MFCD00003548
EINECS:
215-185-5

生产制备方法及用途展开↓

制备方法


一水合氢氧化钠通常可从51%~74%(质量分数)氢氧化钠溶液中于12~62℃时冷却制得。也很容易于72%的氢氧化钠溶液中,保持温度49.7℃以上分出。

合成制备方法


一水合氢氧化钠通常可从51%74%(质量分数)氢氧化钠溶液中于1262℃时冷却制得。也很容易于72%的氢氧化钠溶液中,保持温度49.7℃以上分出。

用途简介


物化性质展开↓

密度:
2.13
熔点:
318.4ºC
沸点:
1390ºC
闪点:
1390ºC
存储条件/存储方法:

常温密闭避光,通风干燥处

稳定性相关:

常温常压下稳定

避免的物料 金属粉末 卤烃。易潮,易溶于水、乙醇、甘油(丙三醇)。水溶液有滑腻感,溶于水时产生很高的热量,操作时要带防护目镜及橡胶手套,注意不要溅到皮肤上或眼睛里。万一碰上皮肤可用5%10%硫酸镁溶液洗涤,然后用大量水冲洗,进入眼睛里用硼酸水和大量水冲洗。

其它信息:

1.       性状:呈大的尖形半透明结晶

2.       密度(g/mL,20):2.13

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):64-65

5.       沸点(ºC,常压):1390

6.       沸点(ºC1mmHg):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:溶于水

安全信息展开↓

包装等级:
II

毒理性展开↓

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,强烈的腐蚀性影响

在眼睛上面:刺激的影响,强烈的腐蚀性影响

致敏作用:没有已知的敏化现象

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 展开↓


Section 1: Product Identification
   Chemical Name:       Sodium hydroxide monohydrate (99.996%-Na) PURATREM    
   CAS Registry Number:       12179-02-1    
   Formula:       NaOH.H2O    
   EINECS Number:
   Chemical Family:       metal hydroxide    
   Synonym:       Caustic soda, lye    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       12179-02-1       100%       2mg/m3       2mg/m3    

Section 3: Hazards Identification
   A corrosive alkaline hydroxide. Contact with the human body will result in chemical burns. Possible risk of
   Emergency Overview:
   irreversible effects.
   Primary Routes of Exposure:       Ingestion, inhalation, skin and eyes    
   Eye Contact:       Causes severe burns to eyes resulting in redness and watering.    
   Skin Contact:       Prolonged contact with moist skin will cause chemical burns.    
   Inhalation:       Corrosive to the nose, mucous membranes and respiratory tract.    
   Ingestion:       Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, and convulsions.    
   Acute Health Affects:       Causes severe burns 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 and       No 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 protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.    
   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:       white xtl.    
   Molecular Weight:       40.00 (58.01)    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       not applicable    
   Specific Gravity:       no data    
   Odor:       none    
   Solubility in Water:       Very soluble    

SECTION 10: Stability and Reactivity
   Stability:       hygroscopic    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       none    
   Incompatibility:       Mineral acids, halogenated hydrocarbons, zinc, aluminum, magnesium and nitromethane    
   Decomposition Products:       none    

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):       Sodium hydroxide, solid    
   Hazard Class (CFR):       8    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       II    
   UN ID Number (CFR):       UN# 1823    
   Shipping Name (IATA):       Sodium hydroxide, solid    
   Hazard Class (IATA):       8    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       II    
   UN ID Number (IATA):       UN# 1823    

SECTION 15: Regulatory Information
   TSCA:       Not 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展开↓

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:58.003074 Da

8、标称质量:58 Da

9、平均质量:58.0124 Da

计算化学数据


1、   疏水参数计算参考值(XlogP):2

2、   氢键供体数量:0

3、   氢键受体数量:2

4、   可旋转化学键数量:0

5、   拓扑分子极性表面积(TPSA):32.7

6、   重原子数量:15

7、   表面电荷:0

8、   复杂度:329

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:1

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

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