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ChemicalBook >> CAS DataBase List >>3,4-Dimethylphenyl isocyanate

3,4-Dimethylphenyl isocyanate

3,4-Dimethylphenyl isocyanate Structure
3,4-Dimethylphenyl isocyanate structure
CAS No.
51163-27-0
Chemical Name:
3,4-Dimethylphenyl isocyanate
Synonyms
3,4-Dimethylphenyl isocyanate;3,4-Dimethylphenylisocyanate-97%;Benzene, 4-isocyanato-1,2-dimethyl-
CBNumber:
CB1373662
Molecular Formula:
C9H9NO
Molecular Weight:
147.17
MDL Number:
MFCD00013867
MOL File:
51163-27-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:49:12
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3,4-Dimethylphenyl isocyanate Properties

Boiling point 85 °C2 mm Hg(lit.)
Density 1.051 g/mL at 25 °C(lit.)
refractive index n20/D 1.536(lit.)
Flash point 198 °F
storage temp. 2-8°C, stored under nitrogen
Appearance Colorless to light yellow Liquid
Water Solubility Hydrolyzes in water.
Sensitive Moisture Sensitive
BRN 775149
CAS DataBase Reference 51163-27-0

SAFETY

Risk and Safety Statements

Symbol(GHS)  Skull and Crossbones (GHS06)Health Hazard (GHS08)
GHS06,GHS08
Signal word  Danger
Hazard statements  H227-H300-H315-H319-H330-H334-H335
Precautionary statements  P301+P310a-P304+P340-P305+P351+P338-P320-P330-P405-P501a
Hazard Codes  Xn
Risk Statements  20/21/22-36/37/38
Safety Statements  23-26-36
RIDADR  UN 2206 6.1/PG 2
WGK Germany  3
HazardClass  6.1
PackingGroup  III
HS Code  2929100090
NFPA 704
2
4 0

3,4-Dimethylphenyl isocyanate price More Price(25)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Apolloscientific OR936712 3,4-Dimethylphenyl isocyanate >98% 51163-27-0 1g $21 2026-06-04 Buy
Apolloscientific OR936712 3,4-Dimethylphenyl isocyanate >98% 51163-27-0 5g $28 2026-06-04 Buy
Apolloscientific OR936712 3,4-Dimethylphenyl isocyanate >98% 51163-27-0 25g $98 2026-06-04 Buy
Apolloscientific OR936712 3,4-Dimethylphenyl isocyanate >98% 51163-27-0 100g $339 2026-06-04 Buy
Apolloscientific OR936712 3,4-Dimethylphenyl isocyanate >98% 51163-27-0 500g $1477 2026-06-04 Buy
Product number Packaging Price Buy
OR936712 1g $21 Buy
OR936712 5g $28 Buy
OR936712 25g $98 Buy
OR936712 100g $339 Buy
OR936712 500g $1477 Buy

3,4-Dimethylphenyl isocyanate Chemical Properties, Uses, Production

Uses

3,4-Dimethylphenyl isocyanate is used as a pharmaceutical intermediate.

Definition

ChEBI: An isocyanate that consists of phenyl isocyanate bearing two additional methyl substituents at positions 3 and 4.

3,4-Dimethylphenyl isocyanate Preparation Products And Raw materials

Raw materials

Preparation Products

3,4-Dimethylphenyl isocyanate Suppliers

Global Suppliers ( 64)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Wuhan Chemwish Technology Co., Ltd 86-027-67849912 sales@chemwish.com China 35884 56
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Shanghai Yongye Biotechnology Co., Ltd. 86-021-61559134 15921386130 3423497944@qq.com China 8135 55
Shanghai Na Qian Chemical Technology Co. Ltd. 13598610367 13598610367 2841375912@qq.com China 3760 52
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Alfa Aesar 84
Energy Chemical 61
Wuhan Chemwish Technology Co., Ltd 56
Beijing Ouhe Technology Co., Ltd 60
Adamas Reagent, Ltd. 59
Shanghai Hanhong Scientific Co.,Ltd. 64
Syntechem Co.,Ltd 57
Shanghai Yongye Biotechnology Co., Ltd. 55
Shanghai Na Qian Chemical Technology Co. Ltd. 52

3,4-Dimethylphenyl isocyanate Spectrum

3,4-DIMETHYLPHENYL ISOCYANATE(51163-27-0)1HNMR

51163-27-0 (3,4-Dimethylphenyl isocyanate) Related Search:

5-Indanyl isocyanate 9H-Fluoren-2-yl isocyanate 2-Bromo-4,6-dimethylphenyl isocyanate 5,5,8,8-Tetramethyl-5,6,7,8-tetrahydro-2-naphthalenyl isocyanate 4-Bromo-2,6-dimethylphenyl isocyanate
4,5-Dimethyl-2-nitrophenyl isocyanate 3-(Trifluoromethyl)-4-methylphenyl isoc& 2-Chloro-4 6-dimethylphenyl isocyanate 2,5-Dimethylphenyl isocyanate 3,4-Dimethylphenyl isocyanate
3,5-Dimethylphenyl isocyanate 2,4-Dimethylphenyl isocyanate 2,3-Dimethylphenyl isocyanate 2,6-Dimethylphenyl isocyanate 4-Ethoxy-2,6-dimethylphenyl isocyanate
m-Dimethylphenyl isocyanate

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