Henan Tianfu Chemical Co., Ltd.
Country: China (Mainland)
Year Established: 2006
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Business type: Lab/Research institutions
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4,4'-Diphenylmethane diisocyanate,101-68-8 CAS NO.101-68-8

Min.Order Quantity:: 1 Kilogram

Purity:: 99%

Port:: shanghai

Payment Terms:: L/C,D/A,D/P,T/T,

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Product Details

Keywords

101-68-8
4,4'-Diphenylmethane diisocyanate
101-68-8

Quick Details

ProName: 4,4'-Diphenylmethane diisocyanate,101-...
CasNo: 101-68-8
Application: Pharmaceutical Intermediates, OLED Int...
DeliveryTime: 10days
PackAge: normal packing
Port: shanghai
ProductionCapacity: 1 Metric Ton/Day
Purity: 99%
Transportation: by sea/by air
LimitNum: 1 Kilogram
Grade: Industrial Grade,Food Grade,Pharma Gra...

Superiority

our company was built in 2009 with an iso certificate.in the past 5 years, we have grown up as a famous fine chemicals supplier in china and we had established stable business relationships with samsung,lg,merck,thermo fisher scientific and so on.our main business covers the fields below:

1.noble metal catalysts (pt.pd...)

2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)

3.oled intermediates (fluorene,carbazole,boric acid...)

4.customs synthesis

our advantage:

1. higest quality and good package

2.fast delivery

3.better payment term

4.fast response to customer within 6 hours

5.good business credit in europe ,us ,japan ,korea

anyway ,if you need any chemicals from china ,henan tianfu can help you

Details

4,4'-diphenylmethane diisocyanate basic information

product name: 4,4'-diphenylmethane diisocyanate

synonyms: 1,1’-methylenebis(4-isocyanato)-benzene;1,1’-methylenebis(4-isocyanato-benzen;1,1’-methylenebis(4-isocyanatobenzene);1,1’-methylenebis[4-isocyanato-benzen;1,1’-methylenebis[4-isocyanato-benzene;1,1’-methylenebis[4-isocyanotobenzene];1,1-methylenebis4-isocyanatobenzene;1-isocyanato-4-(4-isocyanatobenzyl)benzene

cas: 101-68-8

mf: c15h10n2o2

mw: 250.25

einecs: 202-966-0

product categories: diphenylmethanes (for high-performance polymer research);functional materials;reagent for high-performance polymer research;alphabetic;m;meta - meth

mol file: 101-68-8.mol

4,4'-diphenylmethane diisocyanate chemical properties

mp 38-44 °c

bp 392 °c

density 1.19

fp 196 °c

storage temp. refrigerator

water solubility decomposes

freezingpoint 37℃

sensitive moisture sensitive/lachrymatory

brn 797662

stability: stable. combustible. incompatible with strong oxidizing agents. reacts violently with alcohols.

cas database reference 101-68-8(cas database reference)

nist chemistry reference benzene, 1,1'-methylenebis[4-isocyanato-(101-68-8)

epa substance registry system benzene, 1,1'-methylenebis[4-isocyanato- (101-68-8)

safety information

hazard codes xn,t,c

risk statements 42/43-36/37/38-20-48/20-40

safety statements 45-36/37-23

ridadr 2206

rtecs nq9350000

hazard note toxic/corrosive/lachrymatory/moisture sensitive

hazardclass 6.1

packinggroup ii

hs code 29291090

hazardous substances data 101-68-8(hazardous substances data)

4,4'-diphenylmethane diisocyanate usage and synthesis

chemical properties white to light yellow flakes or crystals

usage diphenyl methane diisocyanate (mdi) is widely used in polyurethane coatings, this product is made of polyurethane foam used as a warm (cold), building materials, vehicle, ship parts; masterwork can made car block, buffer, synthetic leather, non plastic polyurethane, polyurethane elastic fiber, no plastic elastic fibers, films, adhesives.

general description diphenylmethane-4,4-diisocyanate is a light yellow colored solid. 4,4'-diphenylmethane diisocyanate is not soluble in water. 4,4'-diphenylmethane diisocyanate may be toxic by ingestion, inhalation, or skin absorption. if in a solution 4,4'-diphenylmethane diisocyanate may or may not burn depending on the nature of the material and/or the solvent. it's used to make plastics.

air & water reactions 4,4'-diphenylmethane diisocyanate is not soluble in water.

reactivity profile isocyanates and thioisocyanates, such as 4,4'-diphenylmethane diisocyanate, are incompatible with many classes of compounds, reacting exothermically to release toxic gases. reactions with amines, aldehydes, alcohols, alkali metals, ketones, mercaptans, strong oxidizers, hydrides, phenols, and peroxides can cause vigorous releases of heat. acids and bases initiate polymerization reactions in these materials. some isocyanates react with water to form amines and liberate carbon dioxide. base-catalysed reactions of isocyanates with alcohols should be carried out in inert solvents. such reactions in the absence of solvents often occur with explosive violence, [wischmeyer(1969)].

health hazard breathlessness, chest discomfort, and reduced pulmonary function.

4,4'-diphenylmethane diisocyanate preparation products and raw materials

preparation products polyurethane foams

raw materials sodium hydroxide-->nitric acid-->chlorine-->formaldehyde-->aniline-->carbon monoxide

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