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二苯基甲烷二异氰酸酯(MDI)

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MDI

  MDI

分子式:C15H10N2O2    分子量:250.24

CAS登录号:101-68-8  

产品性状白色至淡黄色熔触固体,加热时有刺激性臭味

质量标准GB/T 13941-2015

项 目

指 标

MDI-100

MDI-50

外 观

固体为白色至浅黄色晶体,液体为透明液体

无色至粉色液体

结晶点 ℃

38.1

15.0

纯度 %

99.6

99.6

2,4'-MDI含量 %

2.0

50.0~54.0

4,4'-MDI含量 %

97.0

44.5~49.0

色度/ (铂-钴色号)

30

50

水解氯含量%

0.003

0.005

环己烷不溶物%

0.2

0.2

用途:初级品广泛用于聚氨酯涂料还用于防水材料、密封材料、陶器材料等精制品可制成汽车车挡、缓冲器、合成革、非塑料聚氨酯、聚氨酯弹性纤维、无塑性弹性纤维、薄膜、粘合剂等


Diphenyl-methane-diisocyanate

Formula:C15H10N2O2   Molecular Weight250.24

CAS No.101-68-8        

AppearanceWhite to pale yellow melted solid and irritating stench when heated

SpecificationGB/T 13941-2015 

project

Index

MDI-100

MDI-50

Appearance

The solid is white to light yellow crystal, and liquid is transparent

Colorless to pink liquid

Crystallizing point ℃

38.1

15.0

purity %

99.6

99.6

2,4'-MDI %

2.0

50.0~54.0

4,4'-MDI  %

97.0

44.5~49.0

color number/ (Platinum cobalt)

30

50

Hydrolytic chlorine%

0.003

0.005

Cyclohexane insoluble%

0.2

0.2

 purposeThe primary products are widely used in polyurethane coatings, and are also used in waterproof materials, sealing materials, pottery materials and so on. Product can be made car Block, buffer, synthetic leather, plastic polyurethane, polyurethane elastic fiber, elastic fiber, plastic film, adhesive etc.

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