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| 中文名 | 一水合氢氧化钠 |
|---|---|
| 英文名 | sodium hydroxide monohydrate, 99.9 (metals basis) |
| 中文别名 | 氢氧化钠一水 |
| 英文别名 |
sodium hydroxide monohydrate
MFCD00003548 EINECS 215-185-5 |
| 密度 | 2.13 |
|---|---|
| 沸点 | 1390ºC |
| 熔点 | 318.4ºC |
| 分子式 | H3NaO2 |
| 分子量 | 58.01240 |
| 闪点 | 1390ºC |
| 精确质量 | 58.00310 |
| PSA | 32.29000 |
| 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 酸 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。 |
| 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：58.003074 Da 8、标称质量：58 Da 9、平均质量：58.0124 Da |
| 计算化学 | 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 |
| 更多 | 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（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：溶于水 |
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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 IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound12179-02-1100%2mg/m32mg/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 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 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 |
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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。
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| 危害码 (欧洲) | C |
|---|---|
| 危险品运输编码 | UN1823 |
| 包装等级 | II |