Witton Chemical has experience in using a wide range of isocyanate materials in conjunction with polyols to produce polyurethane polymers and pre-polymers. This page gives you an overview of the materials we have used in our reactors.

Name Synonyms CAS Number EINECS Number Structure
MDI

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,
4,4′-diisocyanatedediphenylmethane
4,4′-methylenediphenyldiisocyanate
4,4′-methylenediphenyldiisocyanate(mdi)
4,4′-methylenediphenyleneisocyanate
4,4′-methylenediphenylisocyanate
4,4′-methylenedi-p-phenylenediisocyanate
4,4′-Diisocyanate de diphenylmethane
4,4-Diphenylmethane disocyanate
4,4′-Methylenedi(phenyl diisocyanate)
4,4′-Methylenedi(phenylene isocyanate)
4,4′-Methylenediphenyl isocyanate
4,4′-Methylenediphenylene isocyanateThiulin
4,4′-Methylenedi-p-phenylene diisocyanate
4-4′-diisocyanatedediphenylmethane
4-4′-diisocyanatedediphenylmethane(french)
Benzene, 1,1′-methylenebis*4-isocyanato-
benzene,1,1′-methylenebis[4-isocyanato-
Bis(1,4-isocyanatophenyl)methane
bis(para-isocyanatophenyl)methane
Bis(p-isocyanatophenyl)methane
Caradate 30
caradate30
Desmodur 44
Desmodur VKS-2, VKS-4, VKS-18
desmodur44
Di-(4-isocyanatophenyl)methane
Difenil-metan-diisocianato
Difenylmethaan-diisocyanaat
Difenylmethaan-dissocyanaat
diphenylmethan-4,4′-diisocyanat
Diphenylmethan-4,4′-diisocyanat
Diphenylmethane p,p’-diisocyanate
Diphenylmethyl diisocyanate
Diphenylmethyl diisocyanate methylene bisphenyl isocyanate
diphenylmethyldiisocyanate
Hylene M 50
hylenem50
iphenylmethane-4,4′-diisocyanate
Isocyanic acid methylenedi-p-phenylene ester
isocyanicacid methylenedi-p-phenyleneester
Isonaphthol
Isonate
Isonate 125 MF
Isonate 125M
Isonate 2125M
isonate125m
isonate125mf
MBI
Methylbisphenyl isocyanate

101-68-8 202-966-0
IPDI

5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethyl-cyclohexan,
diisocyanated isophorone
isocyanicacid,methylene(3,5,5-trimethyl-3,1-cyclohexylene)ester
isophoronediaminediisocyanate
isophoronediisocyanate, mixtureofstereoisomers
3-ISOCYANATOMETHYL-3,5,5-TRIMETHYLCYCLOHEXYL ISOCYANATE
5-ISOCYANATO-1-ISOCYANATOMETHYL-1,3,3-TIMETHYLCYCLOHEXANE
5-ISOCYANATO-1-(ISOCYANATOMETHYL)-1,3,3-TRIMETHYLCYCLOHEXANE
ISOPHORONE DIISOCYANATE
ipdi
Isophorone diisocyanate (mixture of isomers)
ISOPHORONE DIISOCYANATE, 98%, MIXTURE OF ISOMERS
IsophoroneDiisocyanat
Cyclohexane, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethyl-
ISOPHORENEDIISOCYANATE
ISOPHORONDIISOCYANATE
Isophorondiisocyanat
3-Isocyanatmethyl-3,5,5-trimethylcyclohexylisocyanat
3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate isophorone di-isocyanate
1,1,5,5-Tetramethylcyclohexane-a-1,3-diisocyanate
5-Isocyanato-1-isocyanatomethyl-1,3,3-trimethylcoclohexane
[3,3,5-Trimethyl-5-(isocyanatomethyl)cyclohexyl] isocyanate
1-Isocyanato-3,5,5-trimethyl-3-(isocyanatomethyl)cyclohexane
Isophorone diisocyanate,98%
Ncgc00091745-01
Isophorone diisocyanate ,99%
Isophorone diisocyanate,5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane
Isophorone diisocyan

4098-71-9 223-861-6
Polymeric MDI

coronatemr200
cr200
desmodur44v20
desmodurpu1520a20
e534
isobind100
isocyanate580
isocyanatedepolymethyleneetdepolyphenyle
Isocyanicacid,polymethylenepolyphenyleneester
isocyanuric
isocyanuricacidpolymethylenepolyphenyl
isocyanuricacidpolymethylenepolyphenylisocyanate
isonate390p
isosetcx11
kaisernco20
lupranatem10
lupranatem20s
lupranatem70
luprinatem20
mdi-cr
mdi-cr100
mdi-cr200
mdi-cr300
millionate300
millionatemr
millionatemr100
millionatemr200
millionatemr300
millionatemr340
millionatemr400
millionatemr500
mirionatemr
mobaymrs
mondure429
mondure441
mondure541
mondurmr
mondurmr200
mondurmrs
mondurmrs10
mr200
mr2000
nco20
niaxafpi
papi
papi135
papi20
papi27
papi580
papi901
pmppi
poly(methylenephenyleneisocyanate)
poly(phenylenemethyleneisocyanate)
polymericdiphenylmethanediisocyanate
polymericdiphenylmethylenediisocyanate
polymericisocyanate
polymericmdi
polymethylenepolyphenyleneisocyanate

9016-87-9