4,4’二氨基二苯甲烷(精MDA或DDM)
发布时间:2023-07-09 21:41:27点击:2675
详细产品说明: 化学名:4,4’-二氨基二苯甲烷 ( 简称: 精MDA或DDM) 英文名: 4,4'- Diaminodiphenyl methane
分子式:C13H14N2 分子量:198.3 CAS NO.: 101-77-9 结构式: 精MDA性能: 精MDA理化性能指标:
4,4’二氨基二苯甲烷是一种重要的有机合成中间体,主要可用于生产二异氰酸酯类,如:MDA、HMDI,还可大量用于制备高档绝缘材料,如:双马树脂、 聚酰亚胺(PI)、聚酯亚胺(PEI)、绝缘漆材料等;另外也可用做于聚氨酯弹性体的扩链剂、环氧树脂的固化剂。用MDA合成的上述各种产品,具有优良的 耐热性、绝缘性、机械性能和耐磨性能等。是一种用途广泛、性能优良的精细化工产品。
包装:纸塑复合袋25KG/袋。
注意事项:避光存放阴凉通风处,避免接近火源,避免因氧化而色泽加深。应尽可能在出厂后六个月内使用,超过保质期经检验符合本技术指标仍可使用。 |
Product Introduction
4,4’-二氨基二苯甲烷
4,4 '- Methylenedianiline
Abbreviation:MDA or DDM molecular formula: C13H14N2
molecular weight: 198.26 CAS No. : 101-77-9.
Structural formula:
Physical and chemical performance
Iterms | index |
Appearance | white or light yellow flaked solids |
melting point | ≥87℃ |
density | 1.15 |
boiling point | 398-399°C (768 torr) |
flash point | 221°C |
Water soluble | <0.1 g/100 ml at 19°C |
Content | ≥99% |
usage: preparation of high-grade insulating materials.·It is an important chemical industry intermediate. Besides being used in producing MDI and HMDI, it is widely used in PI, PEI, epoxy resin hardener, performance thermoplastic, chain extender of PU elastomer etc.
PACKAGING 25kg(net weight),kraft bag inner PE coated.
STORAGE
This material can be stable for 24 months under the normal storage conditions.However,precautions must be taken to avoid exposure to sunlight and always ,store this material in a sealed container under the dry and cool conditions.
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