均苯四甲酸二酐 (CAS No.89-32-7)
- 物化性质
- 白色微黄块状粉状固体结晶,密度1.885 g/cm³,熔点283-287℃,沸点398.6℃(760 mmHg),闪点183.5℃。溶于二甲基亚砜、二甲基甲酰胺、丙酮等有机溶剂,遇水分解,25℃时蒸汽压为1.45×10⁻⁶ mmHg。
- 技术参数
- 纯度≥99.5% 熔点283-287℃ 密度1.885 g/cm³ 外观为白色微黄结晶粉末 包装规格25kg/桶
English description(英文原文,共 1001 字符)
Product Name:Pyromellitic dianhydride
English Name:Pyromellitic dianhydride
CAS No.:89-32-7
Aliases:1,2,4,5-Benzenetetracarboxylic anhydride, PMDA, Pyromellitic anhydride
Molecular Formula:C10H2O6
Physical Properties:White to slightly yellow crystalline powder or lump solid; density 1.885 g/cm³; melting point 283-287°C; boiling point 398.6°C at 760 mmHg; flash point 183.5°C; soluble in dimethyl sulfoxide, dimethylformamide, and acetone; decomposes in water; vapor pressure 1.45×10⁻⁶ mmHg at 25°C.
Uses:It is mainly used in the production of polyimide resins, high-temperature resistant insulating varnishes, PVC plasticizers, crosslinking agents for synthetic resins, and curing agents for epoxy resins. It is also used in the synthesis of phthalocyanine blue dyes and serves as an important organic synthesis intermediate.
Technical Specifications:
Purity ≥99.5%
Melting point 283-287°C
Density 1.885 g/cm³
Appearance: white to slightly yellow crystalline powder
Packaging: 25 kg/drum
English Name:Pyromellitic dianhydride
CAS No.:89-32-7
Aliases:1,2,4,5-Benzenetetracarboxylic anhydride, PMDA, Pyromellitic anhydride
Molecular Formula:C10H2O6
Physical Properties:White to slightly yellow crystalline powder or lump solid; density 1.885 g/cm³; melting point 283-287°C; boiling point 398.6°C at 760 mmHg; flash point 183.5°C; soluble in dimethyl sulfoxide, dimethylformamide, and acetone; decomposes in water; vapor pressure 1.45×10⁻⁶ mmHg at 25°C.
Uses:It is mainly used in the production of polyimide resins, high-temperature resistant insulating varnishes, PVC plasticizers, crosslinking agents for synthetic resins, and curing agents for epoxy resins. It is also used in the synthesis of phthalocyanine blue dyes and serves as an important organic synthesis intermediate.
Technical Specifications:
Purity ≥99.5%
Melting point 283-287°C
Density 1.885 g/cm³
Appearance: white to slightly yellow crystalline powder
Packaging: 25 kg/drum
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常见问题
- 均苯四甲酸二酐的 CAS 号是多少?
- 均苯四甲酸二酐的 CAS 号是 89-32-7。
- 均苯四甲酸二酐的分子式和分子量是什么?
- 均苯四甲酸二酐的分子式为 C10H2O6。
- 均苯四甲酸二酐的英文名称是什么?
- 均苯四甲酸二酐的英文名称为 Pyromellitic dianhydride。
- 均苯四甲酸二酐还有哪些别名?
- 均苯四甲酸二酐又称 1,2,4,5-苯四酸酐、均酐、PMDA、均苯四甲酸酐、1,2,4,5-苯四甲酸酐、1,2,4,5-苯四甲羧酸二酐。
- 均苯四甲酸二酐有哪些供应商和生产厂家?
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