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About This Item
Linear Formula:
H2C=C(CH3)C6H4C(CH3)2NCO
CAS Number:
Molecular Weight:
201.26
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
EC Number:
402-440-2
MDL number:
Quality Level
assay
95%
form
liquid
autoignition temp.
838 °F
contains
≤200 ppm BHT as inhibitor
refractive index
n20/D 1.53 (lit.)
bp
268-271 °C (lit.)
density
1.018 g/mL at 25 °C (lit.)
SMILES string
CC(=C)c1cccc(c1)C(C)(C)N=C=O
InChI
1S/C13H15NO/c1-10(2)11-6-5-7-12(8-11)13(3,4)14-9-15/h5-8H,1H2,2-4H3
InChI key
ZVEMLYIXBCTVOF-UHFFFAOYSA-N
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.
Application
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.
signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 2 Inhalation
target_organs
Lungs
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 2
flash_point_f
>212.0 °F - closed cup
flash_point_c
> 100 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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Copolymerization behavior of 3-isopropenyl-alpha, alpha-dimethylbenzylamine and a preliminary evaluation of the copolymers in thermoset coatings
Trumbo DL, et al.
Journal of Applied Polymer Science, 82(4), 1030-1039 (2001)
Unexpected alternating radical copolymerization of chlorotrifluoroethylene with 3-isopropenyl-alpha, alpha$?-dimethylbenzyl isocyanate
Kyulavska M, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 48(12), 2681-2697 (2010)
Jute-polypropylene composites using m-TMI-grafted-polypropylene as a coupling agent
Aggarwal PK, et al.
Materials & Design, 43(1), 112-117 (2013)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 361771-250ML | 04061831824483 |
| 361771-1L | 04061837830655 |



