4,4’二氨基二苯甲烷(精MDA或DDM)
發(fā)布時(shí)間:2023-07-09 21:41:27點(diǎn)擊:1125
詳細產(chǎn)品說(shuō)明: 化學(xué)名:4,4’-二氨基二苯甲烷 ( 簡(jiǎn)稱(chēng): 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 結構式: 精MDA性能: 精MDA理化性能指標:
4,4’二氨基二苯甲烷是一種重要的有機合成中間體,主要可用于生產(chǎn)二異氰酸酯類(lèi),如:MDA、HMDI,還可大量用于制備高檔絕緣材料,如:雙馬樹(shù)脂、 聚酰亞胺(PI)、聚酯亞胺(PEI)、絕緣漆材料等;另外也可用做于聚氨酯彈性體的擴鏈劑、環(huán)氧樹(shù)脂的固化劑。用MDA合成的上述各種產(chǎn)品,具有優(yōu)良的 耐熱性、絕緣性、機械性能和耐磨性能等。是一種用途廣泛、性能優(yōu)良的精細化工產(chǎn)品。
包裝:紙塑復合袋25KG/袋。
注意事項:避光存放陰涼通風(fēng)處,避免接近火源,避免因氧化而色澤加深。應盡可能在出廠(chǎng)后六個(gè)月內使用,超過(guò)保質(zhì)期經(jīng)檢驗符合本技術(shù)指標仍可使用。 |
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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