大理石 (CAS No.1317-65-3)
- 物化性质
- 白色微细粉末，无臭、无味。不溶于水和乙醇，微溶于含有铵盐或二氧化碳的水溶液，溶于酸并放出二氧化碳。相对密度2.7~2.9，熔点825℃（分解），加热至898℃分解为氧化钙和二氧化碳。食品级产品纯度高，杂质少。
- 纯度
- 高，主含量≥98.0%
English description（英文原文，共 1298 字符）
Product Name:Calcium Carbonate
English Name:Calcium Carbonate
CAS No.:1317-65-3
Aliases:Food-grade Calcium Carbonate, Calcium Carbonate Food Additive, Limestone, Ground Calcium Carbonate
Molecular Formula:CaCO₃
Physical Properties:White fine powder, odorless and tasteless. Insoluble in water and ethanol, slightly soluble in water containing ammonium salts or carbon dioxide, soluble in acids with the release of carbon dioxide. Relative density 2.7~2.9, melting point 825°C (decomposition), decomposes into calcium oxide and carbon dioxide at 898°C. Food-grade product has high purity and low impurity content.
Uses:Used in food processing as a leavening agent, nutritional fortifier, flour improver, anticaking agent and fermentation agent. In the pharmaceutical industry, it serves as a neutralizer, filter aid, buffer and calcium supplement. In daily chemical products, it is used as a filler and abrasive in high-grade toothpaste and cosmetics.
Technical Specifications:
Purity: high, main content ≥98.0%
Harmful element content: arsenic, lead, mercury, chromium, etc., far superior to the requirements of national standard GB1898-2007
Particle size: fine particles, suitable for toothpaste and cosmetic fillers
Loss on drying: ≤2.0%
Packaging: available upon request (negotiable)
English Name:Calcium Carbonate
CAS No.:1317-65-3
Aliases:Food-grade Calcium Carbonate, Calcium Carbonate Food Additive, Limestone, Ground Calcium Carbonate
Molecular Formula:CaCO₃
Physical Properties:White fine powder, odorless and tasteless. Insoluble in water and ethanol, slightly soluble in water containing ammonium salts or carbon dioxide, soluble in acids with the release of carbon dioxide. Relative density 2.7~2.9, melting point 825°C (decomposition), decomposes into calcium oxide and carbon dioxide at 898°C. Food-grade product has high purity and low impurity content.
Uses:Used in food processing as a leavening agent, nutritional fortifier, flour improver, anticaking agent and fermentation agent. In the pharmaceutical industry, it serves as a neutralizer, filter aid, buffer and calcium supplement. In daily chemical products, it is used as a filler and abrasive in high-grade toothpaste and cosmetics.
Technical Specifications:
Purity: high, main content ≥98.0%
Harmful element content: arsenic, lead, mercury, chromium, etc., far superior to the requirements of national standard GB1898-2007
Particle size: fine particles, suitable for toothpaste and cosmetic fillers
Loss on drying: ≤2.0%
Packaging: available upon request (negotiable)
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常见问题
- 大理石的 CAS 号是多少？
- 大理石的 CAS 号是 1317-65-3。
- 大理石的分子式和分子量是什么？
- 大理石的分子式为 CaCO₃。
- 大理石的英文名称是什么？
- 大理石的英文名称为 Calcium Carbonate。
- 大理石还有哪些别名？
- 大理石又称 食品级碳酸钙、食品添加剂碳酸钙、石灰石、重质碳酸钙。
- 大理石有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条大理石供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 大理石的供应商主要分布在哪些地区？
- 大理石的供应商主要分布在 上海市（1 条） 等地。
- 大理石有哪些级别可选？
- 平台上大理石的供应级别包括 工业级。
- 大理石的报价单位是什么？
- 大理石的报价单位主要有 千克。
- 哪里可以查到大理石的价格？
- 掌上化工大理石产品页汇总了各供应商的最新报价与规格，地址：/chemicals/1317-65-3/。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。
以上信息由平台根据收录的产品数据自动生成，数据更新时间 。 价格与库存由供应商自行发布，实际交易请以询价结果为准。
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