ChemicalBook > CAS DataBase List > 3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE

3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE

Product Name
3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE
CAS No.
2094-99-7
Chemical Name
3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE
Synonyms
m-tmi;m-tetramethylxyleneisocyanate;3-ISOPROPENYLCUMYL ISOCYANATE;3-Isopropenyl-7-isocyanatocumene;ISOCYANIC ACID 3-ISOPROPENYLCUMYL ESTER;3-isopropenyl-N-isopropylidene-benzamide;3-Isopropenyl-alpha,alpha-dimethylbenzyl;3-isopropenyl-α,α-dimethylbenzyl isocyanate;m-Isopropenyl-α,α-dimethylbenzyl isocyanate;a, a-Dimethyl 3-isopropenylbenzyl isocyanate
CBNumber
CB2442031
Molecular Formula
C13H15NO
Formula Weight
201.26
MOL File
2094-99-7.mol
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3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE Property

Boiling point:
268-271 °C(lit.)
Density 
1.018 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.53(lit.)
Flash point:
>230 °F
form 
clear liquid
color 
Colorless to Almost colorless
CAS DataBase Reference
2094-99-7(CAS DataBase Reference)
EPA Substance Registry System
m-Isopropenyl cumyl isocyanate (2094-99-7)
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Safety

Hazard Codes 
T+,N
Risk Statements 
26-34-42/43-48/20-50/53
Safety Statements 
7-15-28-36/37/39-38-45-60-61
RIDADR 
UN 2206 6.1/PG 3
WGK Germany 
2
RTECS 
DA3685000
Autoignition Temperature
838 °F
HS Code 
2929.10.8090
HazardClass 
6.1(a)
PackingGroup 
II
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

H317May cause an allergic skin reaction

H330Fatal if inhaled

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H373May cause damage to organs through prolonged or repeated exposure

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
361771
Product name
3-Isopropenyl-α,α-dimethylbenzyl isocyanate
Purity
95%, contains ≤200 ppm BHT as inhibitor
Packaging
250ml
Price
$142.5
Updated
2025/07/31
Sigma-Aldrich
Product number
361771
Product name
3-Isopropenyl-α,α-dimethylbenzyl isocyanate
Purity
95%, contains ≤200 ppm BHT as inhibitor
Packaging
1l
Price
$464
Updated
2025/07/31
TCI Chemical
Product number
I0431
Product name
3-Isopropenyl-α,α-dimethylbenzyl Isocyanate
Purity
>95.0%(GC)
Packaging
25mL
Price
$25
Updated
2025/07/31
TCI Chemical
Product number
I0431
Product name
3-Isopropenyl-α,α-dimethylbenzyl Isocyanate
Packaging
100ML
Price
$47
Updated
2025/07/31
Matrix Scientific
Product number
084302
Product name
1-(1-Isocyanato-1-methylethyl)-3-isopropenylbenzene
Purity
97%
Packaging
1g
Price
$29
Updated
2021/12/16
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3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE Chemical Properties,Usage,Production

Uses

m-TMI can be used as a tetrafunctional isocyanate which can further be used in the development of polymer electrolyte. It can be used as a coupling agent in the preparation of jute reinforced polypropylene.

General Description

3-Isopropenyl-α,α-dimethylbenzyl isocyanate (m-TMI) is a telechelic derivative that shows an α-unsaturation and has an isocyanate end group. It is majorly used in polymeric synthesis.

3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE Preparation Products And Raw materials

Raw materials

ZINC DIETHYL ISOPHTHALATE Toluene Formic acid Sodium ethoxide Tetrahydrofuran Potassium cyanate Ethyl acetate p-Toluenesulfonamide Hydrochloric acid Dichloromethane Methanol Dibromomethane Titanium tetrachloride Isopropyl alcohol Methyl bromide Magnesium Iodomethane

Preparation Products

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3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE Suppliers

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2094-99-7, 3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATERelated Search:

ISOCYANIC ACID 4-isopropenyl-alpha,alpha-dimethylbenzyl isocyanate Isopropyl isocyanate (S)-m-Methyl-a-phenylethylamine 1-ISO-PROPENYL-3-ISO-PROPYLBENZENE Benzyl isocyanate 3-METHYLBENZYL ISOCYANATE 1-METHYL-1-M-TOLYL-ETHYLAMINE (R)-m-Methyl-a-phenethylamin (S)-(-)-1-Phenylethyl isocyanate tert-Butylisocyanate (R)-(+)-1-Phenylethyl isocyanate 3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE

  • 1-(1-isocyanato-1-methylethyl)-3-(1-methylethenyl)-benzen
  • 1-(1-isocyanato-1-methylethyl)-3-(1-methylethenyl)benzene
  • 1-(1-isocyanato-1-methylethyl)-3-(1-methylethenyl)-Benzene
  • 1-(1-isocyanato-1-methyl-ethyl)-3-isopropenyl-benzene
  • 2-(3-isopropenyl-phenyl)-2-methyl-ethylisocyanate
  • alpha,alpha-dimethyl-m-isopropenylbenzylisocyanate
  • isocyanicacid,m-isopropenyl-alpha,alpha-dimethylbenzylester
  • m-tetramethylxyleneisocyanate
  • m-tmi
  • ALPHA ALPHA-DIMETHYL-3-ISOPROPENYLBENZYL ISOCYANATE
  • ALPHA,ALPHA-DIMETHYL META-ISOPROPENYL BENZYL ISOCYANATE
  • ALPHA,ALPHA-DIMETHYL BETA-ISOPROPENYL BENZYL ISOCYANATE
  • 3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE
  • 3-ISOPROPENYLCUMYL ISOCYANATE
  • ISOCYANIC ACID 3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ESTER
  • ISOCYANIC ACID 3-ISOPROPENYLCUMYL ESTER
  • Benzene, 1-(1-isocyanato-1-methylethyl)-3-(1-methylethenyl)-
  • 3-isopropenyl-α,α-dimethylbenzyl isocyanate
  • N-propan-2-ylidene-3-prop-1-en-2-yl-benzamide
  • 3-[(Prop-1-en-2-yl)phenyl]prop-2-yl isocyanate
  • 3-ISOPROPENYL-ALPHA ALPHA-DIMETHYLBENZYL ISOCYANATE 95+%
  • 2-(3-(prop-1-en-2-yl)phenyl)prop-2-yl isocyanate
  • 1-[3-(1-Methylethenyl)phenyl]-1-methylethyl isocyanate
  • 3-(1-Methylethenyl)-α,α-dimethylbenzyl isocyanate
  • 3-Isopropenyl-7-isocyanatocumene
  • m-Isopropenyl-α,α-dimethylbenzyl isocyanate
  • α,α-Dimethyl-3-(1-methylethenyl)benzyl isocyanate
  • 3-isopropenyl-N-isopropylidene-benzamide
  • Isocyanic Acid 3-Isopropenylcumyl Ester Isocyanic Acid 3-Isopropenyl-alpha,alpha-dimethylbenzyl Ester 3-Isopropenylcumyl Isocyanate
  • 3-Isopropenyl-alpha,alpha-diMethylbenzyl isocyanate 95%, contains <=200 ppM BHT as inhibitor
  • 3-Isopropenyl-alpha,alpha-dimethylbenzyl
  • a, a-Dimethyl 3-isopropenylbenzyl isocyanate
  • 3-Isopropenyl-α,α-dimethylbenzylIsocyanate&gt
  • 3 Isopropenyl alpha,alpha dimethylbenzyl,3Isopropenylalpha,alphadimethylbenzyl
  • 3-Isopropenyl-alpha,alpha-dimethylbenzyl, 10 mM in DMSO
  • 3-Isopropenyl-α,α-dimethylbenzyl Isocyanate, CAS 2094-99-7
  • 2094-99-7
  • 2094-98-7
  • H2CCCH3C6H4CCH32NCO
  • Monomers
  • Polymer Science
  • Styrene and Functionalized Styrene Monomers