12027-70-2

• 常用中文名：锡酸钠三水合物
• 常用英文名：sodium stannate trihydrate
• CAS号：12027-70-2
• 分子式：H₆Na₂O₆Sn
• 分子量：266.72500
• 发布时间：2018-06-23 12:31:40
• 更新时间：2024-01-03 12:37:27

名称

• 中文名: 锡酸钠三水合物
• 英文名: sodium stannate trihydrate
• 英文别名: Stannate (Sn(OH)62-),disodium,(OC-6-11); (oc-6-11)-stannate(sn(oh)62-disodium; SODIUM HEXAHYDROXOSTANNATE; EINECS 234-724-5; disodium tin hexahydroxide; Sodiumstannate(IV)

物化性质

• 沸点: 100ºC at 760mmHg
• 分子式: H₆Na₂O₆Sn
• 分子量: 266.72500
• 精确质量: 267.89800
• PSA: 90.88000
• 稳定性:

  无色六方晶系晶体；易溶于水，不溶于乙醇、丙酮；与二氧化碳反应生成碳酸钠，140℃时脱水分解。

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:6

  3.氢键受体数量:6

  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6

  7.重原子数量:9

  8.表面电荷:0

  9.复杂度:0

  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

MSDS

Section 1. Chemical Product and Company Identification Sodium stannate trihydrate Common Name/ Trade Name Sodium stannate trihydrate Section 3. Hazards Identification Potential Acute HealthSlightly hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion, of inhalation. Effects CARCINOGENIC EFFECTS: Not available. Potential Chronic Health MUTAGENIC EFFECTS: Not available. Effects TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not available. Repeated or prolonged exposure is not known to aggravate medical condition. 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 if irritation occurs. Skin ContactWash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops. Cold water may be used. Serious Skin ContactNot available. InhalationIf inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention. Serious InhalationNot available. IngestionDo NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Loosen tight clothing such as a collar, tie, belt or waistband. Get medical attention if symptoms appear. Serious IngestionNot available. Section 5. Fire and Explosion Data Flammability of the Product Non-flammable. Auto-Ignition Temperature Not applicable. Flash PointsNot applicable. Not applicable. Flammable Limits Not available. Products of Combustion Fire Hazards in Presence of Not applicable. Various Substances Explosion Hazards inRisks of explosion of the product in presence of mechanical impact: Not available. Risks of explosion of the product in presence of static discharge: Not available. Presence of Various Substances Fire Fighting MediaNot applicable. and Instructions Not available. Special Remarks on Fire Hazards Special Remarks on Explosion Not available. Hazards Sodium stannate trihydrate Section 6. Accidental Release Measures Small SpillUse appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and dispose of according to local and regional authority requirements. Large SpillUse a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate through the sanitary system. Be careful that the product is not present at a concentration level above TLV. Check TLV on the MSDS and with local authorities. Section 7. Handling and Storage PrecautionsDo not ingest. Do not breathe dust. If ingested, seek medical advice immediately and show the container or the label. Keep away from incompatibles such as acids. StorageKeep container tightly closed. Keep container in a cool, well-ventilated area. 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 ProtectionSafety glasses. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves. Personal Protection in Case of Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be a Large Spillused to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product. TWA: 2 (mg/m3) from ACGIH (TLV) [United States] Exposure Limits TWA: 2 (mg/m3) from OSHA (PEL) [United States] TWA: 2 (mg/m3) from NIOSH [United States] TWA: 2 STEL: 4 (mg/m3) [Canada] Consult local authorities for acceptable exposure limits. Section 9. Physical and Chemical Properties Physical state and appearance Solid. (Solid powder.)Not available. Odor TasteNot available. Molecular Weight266.71 g/mole ColorWhite. Tan. pH (1% soln/water)Not available. Boiling PointNot available. Melting Point>140°C (284°F) Critical TemperatureNot available. 2.7 (Water = 1) Specific Gravity Vapor PressureNot applicable. Not available. Vapor Density VolatilityNot available. Odor ThresholdNot available. Not available. Water/Oil Dist. Coeff. Ionicity (in Water)Not available. See solubility in water. Dispersion Properties SolubilityEasily soluble in cold water. Solubility in Water: 61.5% @ 15 deg. C Sodium stannate trihydrate Section 10. Stability and Reactivity Data The product is stable. Stability Instability TemperatureNot available. Incompatible materials Conditions of Instability Incompatibility with various Reactive with acids. substances Non-corrosive in presence of glass. Corrosivity Special Remarks onNot available. Reactivity Special Remarks onNot available. Corrosivity Will not occur. Polymerization Section 11. Toxicological Information Routes of EntryInhalation. Ingestion. Toxicity to AnimalsFor Sodium Stannate, anhydrous (CAS no. 12058-55-1: Acute oral toxicity (LD50): 3457 mg/kg [Rat]; 2132 mg/kg [Mouse]. Chronic Effects on Humans Not available. Other Toxic Effects onSlightly hazardous in case of skin contact (irritant), of ingestion, of inhalation. Humans 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: May cause skin irritation. Eyes: May cause eye irritation. Inhalation: May cause respiratory tract irritation. Ingestion: May cause gastrointestinal tract irritation. May cause nausea, vomiting, diarrhea. Section 12. Ecological Information Not available. Ecotoxicity Not available. BOD5 and COD Products of BiodegradationPossibly hazardous short term degradation products are not likely. However, long term degradation products may arise. Toxicity of the ProductsThe product itself and its products of degradation are not toxic. of Biodegradation Special Remarks on theNot available. Products of Biodegradation Section 13. Disposal Considerations Waste DisposalWaste must be disposed of in accordance with federal, state and local environmental control regulations. Sodium stannate trihydrate Section 14. Transport Information DOT ClassificationNot a DOT controlled material (United States). IdentificationNot applicable. Not applicable. Special Provisions for Transport DOT (Pictograms) Section 15. Other Regulatory Information and Pictograms California Director's List of Hazardous Substances (listed as inorganic Tin compounds): Sodium stannate Federal and State trihydrate Regulations CaliforniaCalifornia prop. 65: This product contains the following ingredients for which the State of California has found to cause cancer which would require a warning under the statute: No products were found. Proposition 65 Warnings California prop. 65: This product contains the following ingredients for which the State of California has found to cause birth defects which would require a warning under the statute: No products were found. Other RegulationsFor CAS number 12058-66-1 (anhydrous form): EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances (EINECS No. 234-724-5). Canada: Listed on Canadian Domestic Substance List (DSL). China: Not listed on National Inventory. Japan: Listed on National Inventory (ENCS). Korea: Listed on National Inventory (KECI). Philippines: Not listed on National Inventory (PICCS). Australia: Listed on AICS. WHMIS (Canada) Not controlled under WHMIS (Canada). Other Classifications DSCL (EEC)This product is not classifiedNot applicable. according to the EU regulations. Health Hazard HMIS (U.S.A.)2 National Fire Protection 0 Flammability 0 Association (U.S.A.) Fire Hazard 1 0 Reactivity Health Reactivity 0 Specific hazard Personal Protection E WHMIS (Canada) (Pictograms) DSCL (Europe) (Pictograms) TDG (Canada) (Pictograms) Sodium stannate trihydrate ADR (Europe) (Pictograms) Protective Equipment Gloves. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. SECTION 16 - ADDITIONAL INFORMATION N/A

制备

制法 在新制得的锡酸沉淀中（由SnCl₄溶液与NaOH反应制得），加入过量的氢氧化钠，搅拌使固体物质溶解于少量水中，滤出清液，将清液置于干燥器浓硫酸的上方脱水浓缩。待析出结晶后，在适度真空下抽滤，用无水乙醇洗涤结晶至滤液不显碱性为止，然后用乙醚洗涤，在真空下干燥。