低聚甲醛 (CAS No.9002-81-7)
- 物化性质
- 白色结晶粉末，具有刺激性甲醛气味；在120~170℃范围内解聚并释放甲醛；相对密度1.39~1.43；易溶于热水和强碱溶液，微溶于冷水和部分有机溶剂。
- 技术参数
- 外观为白色结晶粉末，无可见机械杂质。 以甲醛计的有效含量不小于95%。 熔点范围（解聚温度）为120~170℃。 相对密度为1.39~1.43。 加热至160℃以上时明显分解并释放甲醛气体。
English description（英文原文，共 1087 字符）
Product Name:Paraformaldehyde
English Name:Paraformaldehyde
CAS No.:9002-81-7
Aliases:Multi-formaldehyde, Solid formaldehyde, Polymerized formaldehyde, Polyformaldehyde
Molecular Formula:(CH2O)n
Physical Properties:White crystalline powder with a pungent formaldehyde odor; depolymerizes in the range of 120–170 °C releasing formaldehyde; relative density 1.39–1.43; soluble in hot water and strong alkaline solutions, slightly soluble in cold water and some organic solvents.
Uses:Used as a disinfectant, antiseptic, preservative and fumigant; serves as a solid formaldehyde source in organic synthesis for producing formaldehyde-based resins such as phenolic and urea-formaldehyde resins; also applied in pharmaceuticals, pesticides and coatings.
Technical Specifications:
Appearance is white crystalline powder without visible mechanical impurities.
Effective content, calculated as formaldehyde, is not less than 95%.
Melting (depolymerization) temperature range is 120–170 °C.
Relative density is 1.39–1.43.
Decomposes noticeably above 160 °C releasing formaldehyde gas.
English Name:Paraformaldehyde
CAS No.:9002-81-7
Aliases:Multi-formaldehyde, Solid formaldehyde, Polymerized formaldehyde, Polyformaldehyde
Molecular Formula:(CH2O)n
Physical Properties:White crystalline powder with a pungent formaldehyde odor; depolymerizes in the range of 120–170 °C releasing formaldehyde; relative density 1.39–1.43; soluble in hot water and strong alkaline solutions, slightly soluble in cold water and some organic solvents.
Uses:Used as a disinfectant, antiseptic, preservative and fumigant; serves as a solid formaldehyde source in organic synthesis for producing formaldehyde-based resins such as phenolic and urea-formaldehyde resins; also applied in pharmaceuticals, pesticides and coatings.
Technical Specifications:
Appearance is white crystalline powder without visible mechanical impurities.
Effective content, calculated as formaldehyde, is not less than 95%.
Melting (depolymerization) temperature range is 120–170 °C.
Relative density is 1.39–1.43.
Decomposes noticeably above 160 °C releasing formaldehyde gas.
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常见问题
- 低聚甲醛的 CAS 号是多少？
- 低聚甲醛的 CAS 号是 9002-81-7。
- 低聚甲醛的分子式和分子量是什么？
- 低聚甲醛的分子式为 (CH2O)n。
- 低聚甲醛的英文名称是什么？
- 低聚甲醛的英文名称为 Paraformaldehyde。
- 低聚甲醛还有哪些别名？
- 低聚甲醛又称 多聚甲醛、仲甲醛、固体甲醛、聚合甲醛。
- 低聚甲醛有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条低聚甲醛供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 低聚甲醛的供应商主要分布在哪些地区？
- 低聚甲醛的供应商主要分布在 上海市（1 条） 等地。
- 低聚甲醛有哪些级别可选？
- 平台上低聚甲醛的供应级别包括 工业级。
- 低聚甲醛的报价单位是什么？
- 低聚甲醛的报价单位主要有 千克。
- 哪里可以查到低聚甲醛的价格？
- 掌上化工低聚甲醛产品页汇总了各供应商的最新报价与规格，地址：/chemicals/9002-81-7/。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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