Skip to Content
Merck
CN

478369

Sigma-Aldrich

2-Chloro-4-nitrophenyl isocyanate

99%

Sign Into View Organizational & Contract Pricing

Select a Size

About This Item

Linear Formula:
ClC6H3(NO2)NCO
CAS Number:
40397-95-3
Molecular Weight:
198.56
MDL number:
MFCD00037063
UNSPSC Code:
12352100
PubChem Substance ID:
24871498

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Assay

99%

form

solid

mp

59-63 °C (lit.)

storage temp.

2-8°C

SMILES string

[O-][N+](=O)c1ccc(N=C=O)c(Cl)c1

InChI

1S/C7H3ClN2O3/c8-6-3-5(10(12)13)1-2-7(6)9-4-11/h1-3H

InChI key

POLDSAUWRJCSOK-UHFFFAOYSA-N

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
13304LR
04030EI
03620KO
16024MA
02910MO

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

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