5743-28-2

• 常用中文名：抗坏血酸钙,二水合物
• 常用英文名：Calcium ascorbate dihydrate
• CAS号：5743-28-2
• 分子式：C₆H₁₂Ca_0.5O₈
• 分子量：232.19
• 相关类别： 分析化学 标准品 食品和饮料标准品
• 发布时间：2018-07-09 08:05:19
• 更新时间：2024-01-12 20:20:06
• L-抗坏血酸(二水合钙)(L-抗坏血酸(两水合钙)；维生素C(二水合钙)是一种生物化学试剂,可作为生物材料或有机化合物用于生命科学相关研究。

名称

• 中文名: 抗坏血酸钙
• 英文名: Calcium ascorbate dihydrate
• 中文别名: 维生素C钙; 抗坏血酸钙盐
• 英文别名: CALCIUM L-ASCORBATE DIHYDRATE; EINECS 227-261-5; VitaminCcalciumsalt; L-AscorbicAcidHemicalciumSalt; CALCIUMASCORBATE,DIHYDRATE,FCC; ASCORBIC ACID CALCIUM SALT; CALCIUM ASCORBATE,DIHYDRATE; Vitamine C-Ca; CALCIUM ASCORBATE 2-HYDRATE; L-ASCORBIC ACID HEMICALCIUM; MFCD00149216

物化性质

• 沸点: 415.8ºC at 760 mmHg
• 熔点: 166 °C (dec.)(lit.)
• 分子式: C₆H₁₂Ca_0.5O₈
• 分子量: 232.19
• 闪点: 300 °C
• 精确质量: 426.032257
• PSA: 210.90000
• 外观性状: 白色至略黄色结晶
• 储存条件:

  密封或充氮气熔封避光保存。

• 稳定性:

  如果遵照规格使用和储存则不会分解，未有已知危险发生

  避免强氧化剂

• 计算化学:

  1、 疏水参数计算参考值（XlogP）：

  2、 氢键供体数量：8

  3、 氢键受体数量：14

  4、 可旋转化学键数量：4

  5、 互变异构体数量：10

  6、 拓扑分子极性表面积（TPSA）：222

  7、 重原子数量：27

  8、 表面电荷：0

  9、 复杂度：232

  10、同位素原子数量：0

  11、确定原子立构中心数量：4

  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

• 更多:

  1. 性状：二水化合物（C6H7O6）2Ca.2H2O为三斜结晶性细粉。无气味。有咸味。

  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）：166

  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）：300

  9. 比旋光度（º）：［a］20/D+95.6°(c=2.4)

  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：易溶于水，几乎溶于甲醇和乙醇。水溶液呈中性，易氧化，久置能产生草酸钙沉淀，可加稳定剂如半胱氨酸（Cystein）

生物活性

• 描述: L-抗坏血酸(二水合钙)(L-抗坏血酸(两水合钙)；维生素C(二水合钙)是一种生物化学试剂,可作为生物材料或有机化合物用于生命科学相关研究。
• 相关类别:
  研究领域 >> 其他
  信号通路 >> 其他 >> 其他
• 靶点:

  Microbial Metabolite

  Human Endogenous Metabolite

MSDS

Section 1. Chemical Product and Company Identification Catalog Calcium ascorbate dihydrate Common Name/C1764, CA127 Number(s). Trade Name CAS#5743-28-2 Manufacturer RTECSNot available. SPECTRUM CHEMICAL MFG. CORP. TSCA 8(b) inventory: TSCA Calcium ascorbate dihydrate Commercial Name(s)Not available. CI# Not available. SynonymNot available. IN CASE OF EMERGENCY Chemical NameNot available. Chemical FamilyNot available.CALL (310) 516-8000 C12H14CaO12.2H2O Chemical Formula SPECTRUM CHEMICAL MFG. CORP. Section 2.Composition and Information on Ingredients Exposure Limits TWA (mg/m3) STEL (mg/m3) CEIL (mg/m3) % by Weight NameCAS # 1) Calcium ascorbate dihydrate5743-28-2100 Toxicological DataNot applicable. on Ingredients Section 3. Hazards Identification Potential Acute HealthSlightly hazardous in case 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. Calcium ascorbate dihydrate Section 4. First Aid Measures Eye ContactImmediately flush eyes with running water for at least 15 minutes, keeping eyelids open. Cold water may be used. Skin ContactNo known effect on skin contact, rinse with water for a few minutes. Serious Skin ContactNot available. InhalationAllow the victim to rest in a well ventilated area. Seek immediate 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. 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 May be combustible at high temperature. Auto-Ignition Temperature Not available. Flash PointsNot available. Flammable LimitsNot available. Products of CombustionThese products are carbon oxides (CO, CO2). Some metallic oxides. Fire Hazards in Presence of Slightly flammable to flammable in presence of heat. Various Substances Explosion Hazards inRisks of explosion of the product in presence of mechanical impact: Not available. Presence of VariousRisks of explosion of the product in presence of static discharge: Not available. Substances Fire Fighting MediaSMALL FIRE: Use DRY chemical powder. and InstructionsLARGE FIRE: Use water spray, fog or foam. Do not use water jet. Special Remarks onMaterial in powder form, capable of creating a dust explosion. As with most organic solids, fire is possible at Fire Hazardselevated temperatures Special Remarks on Explosion Fine dust dispersed in air in sufficient concentrations, and in the presence of an ignition source is a potential Hazardsdust explosion hazard. 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. Section 7. Handling and Storage PrecautionsKeep away from heat. Keep away from sources of ignition. Ground all equipment containing material. Do not breathe dust. Keep container tightly closed. Keep container in a cool, well-ventilated area. Storage Calcium ascorbate dihydrate 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. Exposure LimitsNot available. Section 9. Physical and Chemical Properties Physical state and appearance Solid. (Crystalline solid.)OdorNot available. TasteNot available. Molecular Weight426.35 g/mole Not available. Color Not available. pH (1% soln/water) Boiling PointNot available. Decomposes. Melting Point Critical TemperatureNot available. Not available. Specific Gravity Vapor PressureNot applicable. Vapor DensityNot available. Not available. Volatility Odor ThresholdNot available. Not available. Water/Oil Dist. Coeff. Ionicity (in Water)Not available. Dispersion PropertiesSee solubility in water. SolubilityEasily soluble in cold water. Section 10. Stability and Reactivity Data StabilityThe product is stable. Not available. Instability Temperature Conditions of InstabilityNot available. Incompatibility with various Not available. substances CorrosivityNon-corrosive in presence of glass. Special Remarks onNot available. Reactivity Special Remarks onNot available. Corrosivity PolymerizationNo. Calcium ascorbate dihydrate Section 11. Toxicological Information Routes of EntryNot available. Toxicity to AnimalsLD50: Not available. LC50: Not available. Chronic Effects on Humans Not available. Other Toxic Effects onSlightly hazardous in case 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: Dust may cause eye irritation. Inhalation: Dust may cause respiratory tract irritation. Ingestion: Expected to be a low hazard. 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 products of degradation are more 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. Section 14. Transport Information DOT ClassificationNot a DOT controlled material (United States). IdentificationNot applicable. Special Provisions forNot applicable. Transport DOT (Pictograms) Calcium ascorbate dihydrate Section 15. Other Regulatory Information and Pictograms TSCA 8(b) inventory: Calcium ascorbate dihydrate Federal and State Regulations CaliforniaCalifornia prop. 65: This product contains the following ingredients for which the State of California has Proposition 65found to cause cancer which would require a warning under the statute: No products were found. 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 RegulationsNot available.. 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.)1 National Fire Protection 1 Flammability 1 Association (U.S.A.) Fire Hazard 1 0 Reactivity Health Reactivity 0 Specific hazard Personal Protection a WHMIS (Canada) (Pictograms) DSCL (Europe) (Pictograms) TDG (Canada) (Pictograms) ADR (Europe) (Pictograms) Protective Equipment Not applicable. Lab coat. Not applicable. Safety glasses. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危险品运输编码: NONH for all modes of transport
• WGK德国: 3