抗坏血酸钙

  • 基本信息
  • 制备方法及用途
  • 物化性质
  • 安全信息
  • MSDS
  • 结构与计算化学

抗坏血酸钙 基本信息

中文名称:
抗坏血酸钙 
中文别名:
抗坏血酸钙;
维生素C钙;
抗坏血酸钙盐 
英文名称:
L-Ascorbic acid,calcium salt, hydrate (2:1:2)
英文别名:
Calcium ascorbate dihydrate;
L-ASCORBIC ACID HEMICALCIUM;
CALCIUM L-ASCORBATE DIHYDRATE;
CALCIUMASCORBATE,DIHYDRATE,FCC;
CALCIUM ASCORBATE 2-HYDRATE;
VitaminCcalciumsalt;
Vitamine C-Ca;
L-AscorbicAcidHemicalciumSalt;
ASCORBIC ACID CALCIUM SALT;
CALCIUM ASCORBATE,DIHYDRATE 
CAS No.:
5743-28-2
分 子 式:

C6H8O6.1/2Ca.H2O

分 子 量:
426.34
精确分子量:
426.03200
PSA:
210.90000
MDL:
MFCD00149216
EINECS:
227-261-5
BRN:
8172097
危险品标志:

 

风险术语:

 

安全术语:

 

分子结构式:
SDS:
查看

抗坏血酸钙 制备方法及用途

制备方法

测定砷、铁、磷和碘的基准试剂。色谱分析试剂。食品抗氧剂。掩蔽剂,还原剂。测定铋、钙、镁、钛、钼、钨和锑等。肾上腺素测定。

用途简介

用途

测定砷、铁、磷和碘的基准试剂。色谱分析试剂。食品抗氧剂。掩蔽剂,还原剂。测定铋、钙、镁、钛、钼、钨和锑等。肾上腺素测定。

抗坏血酸钙 物化性质

外观与性状:
白色至略黄色结晶
熔点:
166 °C (dec.)(lit.)
沸点:
415.8ºC at 760 mmHg
闪点:
300 °C
存储条件/存储方法:

密封或充氮气熔封避光保存。

稳定性相关:

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

其它信息:

1.      性状:二水化合物(C6H7O62Ca.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):[a20/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

抗坏血酸钙 安全信息

WGK_Germany:
3
德国有关水污染物质的分类清单

抗坏血酸钙 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
    RTECS        Not available.    
    SPECTRUM CHEMICAL MFG. CORP.
    TSCA 8(b) inventory:
    TSCA
    Calcium ascorbate dihydrate
    Commercial Name(s)        Not available.    
    CI# Not available.
    Synonym        Not available.    
    IN CASE OF EMERGENCY
    Chemical Name        Not available.    
    Chemical Family        Not 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
    Name        CAS #    
    1) Calcium ascorbate dihydrate        5743-28-2        100    
    Toxicological Data        Not applicable.    
    on Ingredients

Section 3. Hazards Identification
    Potential Acute Health        Slightly 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 Contact        Immediately flush eyes with running water for at least 15 minutes, keeping eyelids open. Cold water may be    
    used.
    Skin Contact        No known effect on skin contact, rinse with water for a few minutes.    
    Serious Skin Contact        Not available.    
    Inhalation        Allow the victim to rest in a well ventilated area. Seek immediate medical attention.    
    Serious Inhalation        Not available.    
    Ingestion        Do 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 Ingestion        Not available.    

Section 5. Fire and Explosion Data
    Flammability of the Product May be combustible at high temperature.
    Auto-Ignition Temperature Not available.
    Flash Points        Not available.    
    Flammable Limits        Not available.    
    Products of Combustion        These 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 in        Risks of explosion of the product in presence of mechanical impact: Not available.    
    Presence of Various        Risks of explosion of the product in presence of static discharge: Not available.    
    Substances
    Fire Fighting Media        SMALL FIRE: Use DRY chemical powder.    
    and Instructions        LARGE FIRE: Use water spray, fog or foam. Do not use water jet.    
    Special Remarks on        Material in powder form, capable of creating a dust explosion. As with most organic solids, fire is possible at    
    Fire Hazards        elevated temperatures    
    Special Remarks on Explosion Fine dust dispersed in air in sufficient concentrations, and in the presence of an ignition source is a potential
    Hazards        dust explosion hazard.    

Section 6. Accidental Release Measures
    Small Spill        Use 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 Spill        Use 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
    Precautions        Keep 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 Controls        Use 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 Protection        Safety 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 Spill        used to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a    
    specialist BEFORE handling this product.
    Exposure Limits        Not available.    

Section 9. Physical and Chemical Properties
    Physical state and appearance Solid. (Crystalline solid.)        Odor        Not available.    
    Taste        Not available.    
    Molecular Weight        426.35 g/mole    
    Not available.
    Color
    Not available.
    pH (1% soln/water)
    Boiling Point        Not available.    
    Decomposes.
    Melting Point
    Critical Temperature        Not available.    
    Not available.
    Specific Gravity
    Vapor Pressure        Not applicable.    
    Vapor Density        Not available.    
    Not available.
    Volatility
    Odor Threshold        Not available.    
    Not available.
    Water/Oil Dist. Coeff.
    Ionicity (in Water)        Not available.    
    Dispersion Properties        See solubility in water.    
    Solubility        Easily soluble in cold water.    

Section 10. Stability and Reactivity Data
    Stability        The product is stable.    
    Not available.
    Instability Temperature
    Conditions of Instability        Not available.    
    Incompatibility with various Not available.
    substances
    Corrosivity        Non-corrosive in presence of glass.    
    Special Remarks on        Not available.    
    Reactivity
    Special Remarks on        Not available.    
    Corrosivity
    Polymerization        No.    
    Calcium ascorbate dihydrate

Section 11. Toxicological Information
    Routes of Entry        Not available.    
    Toxicity to Animals        LD50: Not available.    
    LC50: Not available.
    Chronic Effects on Humans Not available.
    Other Toxic Effects on        Slightly hazardous in case of ingestion, of inhalation.    
    Humans
    Special Remarks on        Not available.    
    Toxicity to Animals
    Special Remarks on        Not available.    
    Chronic Effects on Humans
    Special Remarks on other        Acute Potential Health Effects:    
    Toxic Effects on Humans        Skin: 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 Biodegradation        Possibly hazardous short term degradation products are not likely. However, long term degradation    
    products may arise.
    Toxicity of the Products        The products of degradation are more toxic.    
    of Biodegradation
    Special Remarks on the        Not available.    
    Products of Biodegradation

Section 13. Disposal Considerations
    Waste Disposal        Waste must be disposed of in accordance with federal, state and local environmental    
    control regulations.

Section 14. Transport Information
    DOT Classification        Not a DOT controlled material (United States).    
    Identification        Not applicable.    
    Special Provisions for        Not 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
    California        California prop. 65: This product contains the following ingredients for which the State of California has    
    Proposition 65        found 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 Regulations        Not available..    
    WHMIS (Canada) Not controlled under WHMIS (Canada).
    Other Classifications
    DSCL (EEC)        This product is not classified        Not 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

抗坏血酸钙 分子结构与计算化学数据

计算化学数据

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

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