3-Chloro-2-methylphenyl isocyanate - ≥98% , CAS No.40397-90-8

CAS: 40397-90-8 Cat. No.: C170174 Molecular Weight: 167.59 EC Number: 626-598-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
40397-90-8|1-chloro-3-isocyanato-2-methylbenzene|3-Chloro-2-methylphenyl isocyanate|3-Chloro-2-methylphenylisocyanate|1-chloro-3-isocyanato-2-methyl-benzene|Benzene, 1-chloro-3-isocyanato-2-methyl-|SCHEMBL1021665|DTXSID40370931|NGQMCUWZGVMILT-UHFFFAOYSA-N
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
C170174-250mg
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.

$17.90

$26.90
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1g
C170174-1g
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.

$56.90

$85.90
Save $29.00 (33.76%)
5g
C170174-5g
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.

$209.90

$314.90
Save $105.00 (33.34%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

3-Chloro-2-methylphenyl isocyanate, also known as 1-chloro-3-isocyanato-2-methylbenzene, is an organic building block containing an isocyanate group. Its Raman spectra, infrared spectra, ab initio and density functional theory (DFT) calculations have been reported.

Specifications

Synonyms
40397-90-8 | 1-chloro-3-isocyanato-2-methylbenzene | 3-Chloro-2-methylphenyl isocyanate | 3-Chloro-2-methylphenylisocyanate | 1-chloro-3-isocyanato-2-methyl-benzene | Benzene, 1-chloro-3-isocyanato-2-methyl- | SCHEMBL1021665 | DTXSID40370931 | NGQMCUWZGVMILT-UHFFFAOYSA-N
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid488192755
Canonical SmilesCC1=C(C=CC=C1Cl)N=C=O
IUPAC Name1-chloro-3-isocyanato-2-methylbenzene
InChIKeyNGQMCUWZGVMILT-UHFFFAOYSA-N
INCHI1S/C8H6ClNO/c1-6-7(9)3-2-4-8(6)10-5-11/h2-4H,1H3
Isomeric SMILES CC1=C(C=CC=C1Cl)N=C=O
WGK Germany 3
Molecular Weight 167.59
Reaxy-Rn 2691111
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2691111&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassHalobenzenes
Intermediate Tree Nodes Not available
Direct ParentChlorobenzenes
Alternative Parents Toluenes  Aryl chlorides  Isocyanates  Propargyl-type 1,3-dipolar organic compounds  Organopnictogen compounds  Organooxygen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Chlorobenzene - Toluene - Aryl chloride - Aryl halide - Isocyanate - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Organochloride - Organohalogen compound - Organic oxide - Organopnictogen compound - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as chlorobenzenes. These are compounds containing one or more chlorine atoms attached to a benzene moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

8 results found

Lot NumberCertificate TypeDateItem
C2511254Certificate of AnalysisMar 05, 2025 C170174
C2511287Certificate of AnalysisMar 05, 2025 C170174
C2328121Certificate of AnalysisApr 09, 2023 C170174
C2328140Certificate of AnalysisApr 09, 2023 C170174
C2328141Certificate of AnalysisApr 09, 2023 C170174
C2328145Certificate of AnalysisApr 09, 2023 C170174
C2328149Certificate of AnalysisApr 09, 2023 C170174
C2328176Certificate of AnalysisApr 09, 2023 C170174
Chemical and Physical Properties
SensitivityAir and moisture sensitive
Flash Point(°F)230 °F
Flash Point(°C)110 °C
Boil Point(°C)95°C/9mmHg
Molecular Weight167.590 g/mol
XLogP33.700
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass167.014 Da
Monoisotopic Mass167.014 Da
Topological Polar Surface Area29.400 Ų
Heavy Atom Count11
Formal Charge0
Complexity177.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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