6381-79-9

• 常用中文名：结晶碳酸钾
• 常用英文名：POTASSIUM CARBONATE, SESQUIHYDRATE
• CAS号：6381-79-9
• 分子式：C₂H₆K₄O₉
• 分子量：330.457
• 相关类别： 无机化工 无机盐 碳化物及碳酸盐
• 发布时间：2018-05-04 08:00:00
• 更新时间：2024-01-11 13:00:38

• 1.用于制钾肥皂、化妆品和玻璃、搪瓷、印染工业及医药原料、无机盐原料、染料、电焊条、炸药、电渡、陶瓷建筑材料、电子管、显像管、日用化工等。

名称

• 中文名: 碳酸钾倍半水合物
• 英文名: potassium carbonate, sesquihydrate
• 中文别名: 结晶碳酸钾; 倍半水合碳酸钾; 碳酸钾一点五水合物
• 英文别名: EINECS 209-529-3; Potassium carbonate hydrate (4:2:3); Carbonic acid, potassium salt, hydrate (2:4:3); tetrapotassium,dicarbonate,trihydrate

物化性质

• 密度: 2.043
• 沸点: 333.6ºC at 760 mmHg
• 熔点: 891ºC
• 分子式: C₂H₆K₄O₉
• 分子量: 330.457
• 闪点: 169.8ºC
• 精确质量: 329.856018
• PSA: 154.07000
• 外观性状: Solid | White
• 储存条件:

  避光，阴凉干燥处，密封保存

• 稳定性:

  1.常温常压下稳定，白色结晶 。

  2.极易潮解。暴露于空气中能吸收二氧化碳和水转度为碳酸氢钾。

• 水溶解性: 1300g/l | Soluble in water. Practically insoluble in alcohol
• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:3

  3.氢键受体数量:9

  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129

  7.重原子数量:15

  8.表面电荷:0

  9.复杂度:18.8

  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:9

• 更多:

  1. 性状：无色结晶或白色颗粒。

  2.相对 密度（g/mL,20℃/4℃）：2.428

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：891

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC，12mmHg）：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：易溶于水，几乎不溶于乙醇和醚。

MSDS

Section 1. Chemical Product and Company Identification Potassium carbonate Sesquihydrate Common Name/ Trade Name Manufacturer Commercial Name(s) Synonym Chemical Name Chemical Family Potassium carbonate Sesquihydrate CARCINOGENIC EFFECTS: Not available. Potential Chronic Health EffectsMUTAGENIC EFFECTS: Not available. TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not available. The substance is toxic to mucous membranes. The substance may be toxic to skin, eyes. Repeated or prolonged exposure to the substance can produce target organs damage. Repeated exposure of the eyes to a low level of dust can produce eye irritation. Repeated skin exposure can produce local skin destruction, or dermatitis. Repeated inhalation of dust can produce varying degree of respiratory irritation or lung damage. Section 4. First Aid Measures Eye ContactCheck for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Cold water may be used. Get medical attention immediately. Skin ContactIn case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Cover the irritated skin with an emollient. Cold water may be used.Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention immediately. Serious Skin ContactWash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek immediate medical attention. InhalationIf inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention immediately. Serious InhalationNot available. IngestionDo NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar, tie, belt or waistband. Serious IngestionNot available. Section 5. Fire and Explosion Data Flammability of the Product Non-flammable. Auto-Ignition Temperature Not applicable. Flash PointsNot applicable. Flammable LimitsNot applicable. Products of CombustionNot available. Fire Hazards in Presence of Not applicable. Various Substances Explosion Hazards in Presence Risks of explosion of the product in presence of mechanical impact: Not available. of Various SubstancesRisks of explosion of the product in presence of static discharge: Not available. Fire Fighting MediaNot applicable. and Instructions Special Remarks onNot available. Fire Hazards Special Remarks on Explosion Not available. Hazards Potassium carbonate Sesquihydrate Section 6. Accidental Release Measures Small SpillUse appropriate tools to put the spilled solid in a convenient waste disposal container. If necessary: Neutralize the residue with a dilute solution of acetic acid. Finish cleaning by spreading water on the contaminated surface and dispose of according to local and regional authority requirements. Large SpillCorrosive solid. Stop leak if without risk. Do not get water inside container. Do not touch spilled material. Use water spray to disposal. Neutralize the residue with a dilute solution of acetic acid. Finish cleaning by spreading water on the contaminated surface and allow to evacuate through the sanitary system. Section 7. Handling and Storage PrecautionsKeep container dry. Do not ingest. Do not breathe dust. Never add water to this product. In case of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advice immediately and show the container or the label. Avoid contact with skin and eyes. Keep away from incompatibles such as oxidizing agents, metals, acids. StorageKeep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 25°C (77°F). Section 8. Exposure Controls/Personal Protection Engineering ControlsUse process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants below the exposure limit. Personal ProtectionSplash goggles. Synthetic apron. Vapor and dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves. Personal Protection in Case of Splash goggles. Full suit. Vapor and dust respirator. Boots. Gloves. A self contained breathing apparatus a Large Spillshould be used to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product. Exposure LimitsNot available. Section 9. Physical and Chemical Properties Physical state and appearance Solid. (Powdered solid. Deliquescent solid.)OdorOdorless. TasteNot available. 165.23 g/mole Molecular Weight ColorWhite. pH (1% soln/water)11.6 [Basic.] Boiling PointDecomposes. Melting Point891.11°C (1636°F) Critical TemperatureNot available. Specific GravityNot available. Not applicable. Vapor Pressure Vapor DensityNot available. VolatilityNot available. Odor ThresholdNot available. Water/Oil Dist. Coeff.Not available. Not available. Ionicity (in Water) Dispersion PropertiesSee solubility in water. Soluble in cold water. Solubility Potassium carbonate Sesquihydrate Section 10. Stability and Reactivity Data The product is stable. Stability Instability TemperatureNot available. Dust generation, moist air, water, incompatible materials. Conditions of Instability Reactive with oxidizing agents, metals, acids. Incompatibility with various Slightly reactive to reactive with moisture. substances CorrosivityNon-corrosive in presence of glass. Special Remarks onReacts with water to evolve heat. ReactivityWhen it contains the full amount of water it is not hygroscopic. Incompatible with KCO, chlorine trifluoride, calcium oxide, and magnesium Not available. Special Remarks on Corrosivity PolymerizationWill not occur. Section 11. Toxicological Information Routes of EntryEye contact. Inhalation. Ingestion. Toxicity to AnimalsAcute oral toxicity (LD50): 1870 mg/kg [Rat ]. Chronic Effects on HumansCauses damage to the following organs: mucous membranes. May cause damage to the following organs: skin, eyes. Other Toxic Effects on Extremely hazardous in case of skin contact (corrosive), of inhalation (lung corrosive). HumansHazardous in case of skin contact (irritant), of ingestion, . Slightly hazardous in case of eye contact (corrosive). Special Remarks onNot available. Toxicity to Animals Special Remarks onNot available. Chronic Effects on Humans Special Remarks on otherAcute Potential Health Effects: Toxic Effects on HumansSkin: Causes severe skin irritation. Eyes: It is severely irritating to the eyes and its mucous membranes. It may cause corneal injury. It may cause burns and loss of vision. It may cause permanent damage. The amount of tissue damage depends on the length of contact. Ingestion: It causes gastrointestinal irritation with nausea, vomiting, abdominal pain, swollen glottis, increased respiration, and possible burns to the lips, tongue, oral mucosa, hypopharynx, stomach, or esophagus. It may affect the cardiovascular system(circulatory collapse), urinary system, and metabolism. Inhalation: Causes respiratory tract and mucous membrane irritation. Exposure can cause coughing, chest pains, and difficulty breathing (dyspnea). Section 12. Ecological Information Not available. Ecotoxicity BOD5 and CODNot available. Products of BiodegradationPossibly hazardous short term degradation products are not likely. However, long term degradation products may arise. The products of degradation are less toxic than the product itself. Toxicity of the Products of Biodegradation Special Remarks on theNot available. Products of Biodegradation Potassium carbonate Sesquihydrate Section 13. Disposal Considerations Waste DisposalWaste must be disposed of in accordance with federal, state and local environmental control regulations. Section 14. Transport Information DOT ClassificationNot a DOT controlled material (United States). Not applicable. Identification Not applicable. Special Provisions for Transport DOT (Pictograms) Section 15. Other Regulatory Information and Pictograms No products were found. Federal and State Regulations California Proposition 65 Warnings Other RegulationsOSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200). EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances. WHMIS (Canada) Not controlled under WHMIS (Canada). Other Classifications DSCL (EEC)R22- Harmful if swallowed.S1/2- Keep locked up and out of the reach of R36/37/38- Irritating to eyes,children. respiratory system and skin.S26- In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39- Wear suitable protective clothing, gloves and eye/face protection. S45- In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). S46- If swallowed, seek medical advice immediately and show this container or label. Health Hazard HMIS (U.S.A.)2 National Fire Protection 0 Flammability 0 Association (U.S.A.) Fire Hazard 2 0 Reactivity Health Reactivity 1 Specific hazard Personal Protection j WHMIS (Canada) (Pictograms) Potassium carbonate Sesquihydrate DSCL (Europe) (Pictograms) TDG (Canada) (Pictograms) ADR (Europe) (Pictograms) Protective Equipment Gloves. Synthetic apron. Vapor and dust respirator. Be sure to use an approved/certified respirator or equivalent. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

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 在眼睛上面：刺激的影响 致敏作用：没有已知的敏化现象 生态学数据: 对水少是稍微危害的，不要让未稀释或大量的产品接触地下水、水道或污水系统 若无政府许可，勿将材料排入周围环境.

安全

• 符号: GHS07
• 信号词: Warning
• 危害声明: H302-H315-H319-H335
• 警示性声明: P261-P305 + P351 + P338
• 个人防护装备: dust mask type N95 (US);Eyeshields;Gloves
• 危害码 (欧洲): Xn
• 风险声明 (欧洲): 22-36/38
• 安全声明 (欧洲): 26
• 危险品运输编码: NONH for all modes of transport
• WGK德国: 1

制备

1.氯化钾与碳酸铵经离子交换反应后,通入二氧化碳,再经结晶、脱水、干燥而制得。或由桐碱和草木灰经浸渍制得。