135236-72-5

• 常用中文名：β-羟基-β-甲基丁酸钙
• 常用英文名：calcium β-hydroxy-β-methylbutyrate
• CAS号：135236-72-5
• 分子式：C₁₀H₁₈CaO₆
• 分子量：274.324
• 相关类别： 有机原料 有机金属盐
• 发布时间：2018-02-06 08:00:00
• 更新时间：2024-01-02 09:09:57
• 【用途一】
  用作医药中间体、饲料添加剂等
  【用途二】
  b-甲基-b-羟基丁酸钙是一种人体基本的微量含支链氨基酸的代谢产物,在肌肉组织的蛋白质合成中起重要作用,可促进肌肉细胞生长,提高斜体组织。
  b-甲基-b-羟基丁酸钙[135236-72-5]作为高强度运动者一种新型的合成代谢营养剂,能使人体脂肪减少,减少肌肉蛋白质消耗,有助肌肉恢复和减少因过度劳累导致肌肉损伤的作用,可提高运动强度和耐力。
  HMB钙也是一种很强的免疫受激剂,能增强人体免疫功能,降低血胆固醇的作用,可减少疾病,防衰老,增强体质,提高生活质量

名称

• 中文名: b-甲基-b-羟基丁酸钙
• 英文名: Calcium beta-hydroxy-beta-methylbutyrate
• 中文别名: β-羟基-β-甲基丁酸钙; β-羟基 β-丁酸甲酯; 3-羟基-3-甲基丁酸钙水合物; β-甲基-β-羟基丁酸钙一水合物; 3-羟基-3-甲基丁酸钙一水合物
• 英文别名: calcium HMB; Calcium bis(3-hydroxy-3-methylbutanoate); calcium β-hydroxy-β-methylbutyrate; Calcium Beta-Hydroxy-Beta-Methylbutyrate; Butanoic acid, 3-hydroxy-3-methyl-, calcium salt (2:1); 3-Hydroxy-3-methylbutyric Acid Calcium Salt Hydrate; Calcium 3-Hydroxy-3-methylbutyrate Hydrate; MFCD01318562; Calcium 3-Hydroxy-3-methylbutyrate; calcium,3-hydroxy-3-methylbutanoate; 3-Hydroxy-3 methyl butyrate, calcium salt

物化性质

• 沸点: 242.8ºC at 760 mmHg
• 分子式: C₁₀H₁₈CaO₆
• 分子量: 274.324
• 闪点: 114.9ºC
• 精确质量: 274.072937
• PSA: 93.06000
• LogP: 0.30980
• 外观性状: 白色结晶粉末
• 蒸汽压: 0.00567mmHg at 25°C
• 储存条件:

  保持贮藏器密封、储存在阴凉、干燥的地方，确保工作间有良好的通风或排气装置

• 稳定性:

  如果遵照规格使用和储存则不会分解，未有已知危险反应

  避免氧化物
• 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：274.072929 Da

  8、标称质量：274 Da

  9、平均质量：274.3243 Da

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:2

  3.氢键受体数量:6

  4.可旋转化学键数量:2

  5.互变异构体数量:无

  6.拓扑分子极性表面积121

  7.重原子数量:17

  8.表面电荷:0

  9.复杂度:90.3

  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:3

• 更多:

  1. 性状：白色粉末

  2. 密度（g/mL,20℃）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：未确定

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,KPa）：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（Pa,20ºC）：未确定

  12. 饱和蒸气压（KPa,20ºC）：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，微溶于乙醇

MSDS

Section I.Chemical Product and Company Identification Chemical Name Calcium 3-Hydroxy-3-methylbutyrate Hydrate Portland OR SynonymButanoic acid, 3-hydroxy-3-methyl-, calcium salt (2:1) (CA INDEX NAME); 3-Hydroxy-3-methylbutyric Acid Calcium Salt Chemical FormulaC10H18CaO6 ·xH2O CAS Number135236-72-5 Section II.Composition and Information on Ingredients Chemical NameCAS Number Percent (%)TLV/PELToxicology Data Calcium 3-Hydroxy-3-methylbutyrate Hydrate135236-72-5 Not availabe. Not available.Not available. Section III. Hazards Identification No specific information is available in our data base regarding the toxic effects of this material for humans. However, Acute Health Effects exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling this compound. CARCINOGENIC EFFECTS : Not available. Chronic Health Effects MUTAGENIC EFFECTS : Not available. TERATOGENIC EFFECTS : Not available. DEVELOPMENTAL TOXICITY: Not available. Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions. Section IV.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. Get medical attention. Skin ContactIn case of contact, immediately flush skin with plenty of water. Remove contaminated clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention. InhalationIf the victim is not breathing, perform mouth-to-mouth resuscitation. Loosen tight clothing such as a collar, tie, belt or waistband. If breathing is difficult, oxygen can be administered. Seek medical attention if respiration problems do not improve. IngestionINDUCE VOMITING by sticking finger in throat. Lower the head so that the vomit will not reenter the mouth and throat. Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is not breathing, perform mouth-to-mouth resuscitation. Examine the lips and mouth to ascertain whether the tissues are damaged, a possible indication that the toxic material was ingested; the absence of such signs, however, is not conclusive. Section V.Fire and Explosion Data Not available. FlammabilityMay be combustible at high temperature.Auto-Ignition Flash PointsNot available.Flammable LimitsNot available. Combustion ProductsThese products are toxic carbon oxides (CO, CO2). Some metallic oxides. Fire Hazards Not available. Explosion HazardsRisks 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. Fire Fighting MediaSMALL FIRE: Use DRY chemical powder. LARGE FIRE: Use water spray, fog or foam. DO NOT use water jet. and Instructions Consult with local fire authorities before attempting large scale fire-fighting operations. Continued on Next Page Calcium 3-Hydroxy-3-methylbutyrate Hydrate Section VI.Accidental Release Measures Spill CleanupUse a shovel to put the material into a convenient waste disposal container. Finish cleaning the spill by rinsing any contaminated surfaces with copious amounts of water. Consult federal, state, and/or local authorities for assistance on Instructions disposal. Section VII. Handling and Storage Handling and StorageKeep away from heat. Mechanical exhaust required. When not in use, tightly seal the container and store in a dry, cool place. Avoid excessive heat and light. Do not breathe dust. Information Always store away from incompatible compounds such as oxidizing agents. Section VIII. Exposure Controls/Personal Protection Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended Engineering Controls exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants below the exposure limit. Splash goggles. Lab coat. Dust respirator. Boots. Gloves. Suggested protective clothing might not be sufficient; consult a Personal Protection specialist BEFORE handling this product. Be sure to use a MSHA/NIOSH approved respirator or equivalent. Exposure LimitsNot available. Section IX. Physical and Chemical Properties Solid. (White powder.)Solubility Physical state @ 20°CSoluble in water. Not available. Specific Gravity 274.32 (Anh.) Molecular WeightPartition CoefficientNot available. Boiling PointNot available.Vapor PressureNot applicable. Not available.Not available. Melting PointVapor Density Not available.VolatilityNot available. Refractive Index Not available. Critical TemperatureNot available.Odor ViscosityNot available.TasteNot available. Section X.Stability and Reactivity Data Stability This material is stable if stored under proper conditions. (See Section VII for instructions) Conditions of InstabilityAvoid excessive heat and light. Incompatibilities Reactive with oxidizing agents. Section XI. Toxicological Information EK7879180 RTECS Number Routes of ExposureEye Contact. Ingestion. Inhalation. Not available. Toxicity Data Chronic Toxic EffectsCARCINOGENIC EFFECTS : Not available. MUTAGENIC EFFECTS : Not available. TERATOGENIC EFFECTS : Not available. DEVELOPMENTAL TOXICITY: Not available. Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions. Acute Toxic EffectsNo specific information is available in our data base regarding the toxic effects of this material for humans. However, exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling this compound. Section XII.Ecological Information Not available. Ecotoxicity Not available. Environmental Fate Continued on Next Page Calcium 3-Hydroxy-3-methylbutyrate Hydrate Section XIII. Disposal Considerations Waste DisposalRecycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when disposing of the substance. Section XIV. Transport Information Not a DOT controlled material (United States). DOT Classification PIN NumberNot applicable. Proper Shipping NameNot applicable. Packing Group (PG)Not applicable. DOT Pictograms Section XV. Other Regulatory Information and Pictograms TSCA Chemical InventoryThis product is NOT on the EPA Toxic Substances Control Act (TSCA) inventory. The following notices are required by 40 CFR 720.36 (C) for those products not on the inventory list: (EPA) (i) These products are supplied solely for use in research and development by or under the supervision of a technically qualified individual as defined in 40 CFR 720.0 et sec. (ii) The health risks of these products have not been fully determined. Any information that is or becomes available will be supplied on an MSDS sheet. WHMIS ClassificationNot controlled under WHMIS (Canada). (Canada) EINECS Number (EEC)Not available. EEC Risk StatementsNot available. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 通常对水是稍微有危害的，若无政府许可，勿将材料排入周围环境。

安全

• 危害码 (欧洲): F,Xn
• 风险声明 (欧洲): R11:Highly Flammable. R22:Harmful if swallowed.
• 安全声明 (欧洲): S16-S23
• 危险品运输编码: UN 1179 3/PG 2
• WGK德国: 1
• RTECS号: KN4725000
• 包装等级: II
• 危险类别: 3