Skip to Content
MilliporeSigma
All Photos(2)

Key Documents

More Documents

478245

Sigma-Aldrich

3-Chloro-4-methylphenyl isocyanate

98%

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
ClC6H3(CH3)NCO
CAS Number:
28479-22-3
Molecular Weight:
167.59
EC Number:
249-050-7
MDL number:
MFCD00013858
UNSPSC Code:
12352100
PubChem Substance ID:
24871480
NACRES:
NA.22

assay

98%

refractive index

n20/D 1.557 (lit.)

bp

107 °C/3 mmHg (lit.)

density

1.224 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

Cc1ccc(cc1Cl)N=C=O

InChI

1S/C8H6ClNO/c1-6-2-3-7(10-5-11)4-8(6)9/h2-4H,1H3

InChI key

UKTKKMZDESVUEE-UHFFFAOYSA-N

Related Categories

General description

3-Chloro-4-methylphenyl isocyanate, also known as 2-chloro-4-isocyanato-1-methylbenzene, is an organic building block containing an isocyanate group. It is formed during the photochemical degradation of linuron.

Application

3-Chloro-4-methylphenyl isocyanate may be used in the synthesis of the following urea compounds:
  • 1-(1-(1-adamantyl)methyl)-3-(3-chloro-4-methylphenyl)urea
  • 1-(3-chloro-4-methylphenyl)-3-heptylurea
  • 1-(3-chloro-4-methylphenyl)-3-cyclooctylurea
  • 1-(3-chloro-4-methylphenyl)-3-(3-fluorobenzyl)urea
  • 1-(3-chloro-4-methylphenyl)-3-(4-phenylbutan-2-yl)urea

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 1

flash_point_f

228.2 °F - closed cup

flash_point_c

109 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Utsab Manna et al.
Dalton transactions (Cambridge, England : 2003), 46(31), 10374-10386 (2017-07-27)
A meta-phenylenediamine-based disubstituted bis-urea receptor L1 with electron-withdrawing 3-chloro and electron-donating 4-methylphenyl terminals has been established as a potential system to fix and efficiently capture atmospheric CO
Joshua R Brown et al.
Bioorganic & medicinal chemistry, 19(18), 5585-5595 (2011-08-16)
The treatment of tuberculosis is becoming more difficult due to the ever increasing prevalence of drug resistance. Thus, it is imperative that novel anti-tuberculosis agents, with unique mechanisms of action, be discovered and developed. The direct anti-tubercular testing of a

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service