抗坏血酸钙 (CAS No.5743-28-2)
- 物化性质
- 白色至类白色结晶性粉末或颗粒，无臭或略带特征性气味；相对分子质量约390.31；易溶于水，微溶于乙醇，不溶于乙醚和氯仿；5%水溶液pH约6.0~7.5；受热分解，无明确熔点；具有抗氧化性，应密封避光保存。
- 技术参数
- 主含量（以C12H14CaO12计）≥99.0% 干燥失重（水分）≤0.2% 灼烧残渣≤0.1% 重金属（以Pb计）≤10 mg/kg；铅（Pb）≤3 mg/kg；总砷（As）≤1 mg/kg；镉（Cd）≤0.1 mg/kg；汞（Hg）≤0.1 mg/kg
English description（英文原文，共 1399 字符）
Product Name:Calcium Ascorbate
English Name:Calcium Ascorbate
CAS No.:5743-28-2
Aliases:Calcium L-ascorbate, L-Ascorbic acid calcium salt, Vitamin C calcium salt
Molecular Formula:C12H14CaO12
Physical Properties:White to off-white crystalline powder or granules, odorless or with a slight characteristic odor; relative molecular mass approx. 390.31; freely soluble in water, slightly soluble in ethanol, insoluble in ether and chloroform; pH of 5% aqueous solution approx. 6.0–7.5; decomposes on heating without a definite melting point; has antioxidant activity and should be kept sealed and protected from light.
Uses:Used as a dual nutritional supplement providing vitamin C and calcium, widely applied in foods, beverages, health products and functional foods; serves as an antioxidant (E302) to prevent oil oxidation and protect the color of fruit and vegetable products; also used in pharmaceuticals as an adjuvant treatment for vitamin C deficiency and calcium deficiency.
Technical Specifications:
Assay (as C12H14CaO12) ≥99.0%
Loss on drying (moisture) ≤0.2%
Residue on ignition ≤0.1%
Heavy metals (as Pb) ≤10 mg/kg; lead (Pb) ≤3 mg/kg; total arsenic (As) ≤1 mg/kg; cadmium (Cd) ≤0.1 mg/kg; mercury (Hg) ≤0.1 mg/kg
Microbial limits: total plate count ≤1000 CFU/g; coliform bacteria ≤10 CFU/g; yeast and mold ≤50 CFU/g; Salmonella, Staphylococcus aureus and Shigella not detected
English Name:Calcium Ascorbate
CAS No.:5743-28-2
Aliases:Calcium L-ascorbate, L-Ascorbic acid calcium salt, Vitamin C calcium salt
Molecular Formula:C12H14CaO12
Physical Properties:White to off-white crystalline powder or granules, odorless or with a slight characteristic odor; relative molecular mass approx. 390.31; freely soluble in water, slightly soluble in ethanol, insoluble in ether and chloroform; pH of 5% aqueous solution approx. 6.0–7.5; decomposes on heating without a definite melting point; has antioxidant activity and should be kept sealed and protected from light.
Uses:Used as a dual nutritional supplement providing vitamin C and calcium, widely applied in foods, beverages, health products and functional foods; serves as an antioxidant (E302) to prevent oil oxidation and protect the color of fruit and vegetable products; also used in pharmaceuticals as an adjuvant treatment for vitamin C deficiency and calcium deficiency.
Technical Specifications:
Assay (as C12H14CaO12) ≥99.0%
Loss on drying (moisture) ≤0.2%
Residue on ignition ≤0.1%
Heavy metals (as Pb) ≤10 mg/kg; lead (Pb) ≤3 mg/kg; total arsenic (As) ≤1 mg/kg; cadmium (Cd) ≤0.1 mg/kg; mercury (Hg) ≤0.1 mg/kg
Microbial limits: total plate count ≤1000 CFU/g; coliform bacteria ≤10 CFU/g; yeast and mold ≤50 CFU/g; Salmonella, Staphylococcus aureus and Shigella not detected
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常见问题
- 抗坏血酸钙的 CAS 号是多少？
- 抗坏血酸钙的 CAS 号是 5743-28-2。
- 抗坏血酸钙的分子式和分子量是什么？
- 抗坏血酸钙的分子式为 C12H14CaO12。
- 抗坏血酸钙的英文名称是什么？
- 抗坏血酸钙的英文名称为 Calcium Ascorbate。
- 抗坏血酸钙还有哪些别名？
- 抗坏血酸钙又称 维生素C钙、L-抗坏血酸钙。
- 抗坏血酸钙有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条抗坏血酸钙供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 抗坏血酸钙的供应商主要分布在哪些地区？
- 抗坏血酸钙的供应商主要分布在 上海市（1 条） 等地。
- 抗坏血酸钙有哪些级别可选？
- 平台上抗坏血酸钙的供应级别包括 工业级。
- 抗坏血酸钙的报价单位是什么？
- 抗坏血酸钙的报价单位主要有 千克。
- 哪里可以查到抗坏血酸钙的价格？
- 掌上化工抗坏血酸钙产品页汇总了各供应商的最新报价与规格，地址：/chemicals/5743-28-2/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
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