2,3-Dimethylphenyl isocyanate - ≥99% , CAS No.1591-99-7

CAS: 1591-99-7 Cat. No.: D695743 Molecular Weight: 147.18 EC Number: 626-657-9 PubChem CID: 137096
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
2,3-Dimethylphenylisocyanate
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D695743-1g
2
$102.90
5g
D695743-5g
2
$400.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

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

Specifications

Synonyms
2, 3-Dimethylphenylisocyanate
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Canonical SmilesCC1=C(C(=CC=C1)N=C=O)C
IUPAC Name1-isocyanato-2,3-dimethylbenzene
InChIKeyKNHJIEOCVVIBIV-UHFFFAOYSA-N
INCHI1S/C9H9NO/c1-7-4-3-5-9(8(7)2)10-6-11/h3-5H,1-2H3
Isomeric SMILES CC1=C(C(=CC=C1)N=C=O)C
PubChem CID 137096
Molecular Weight 147.18

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.

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🔬 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
SubclassXylenes
Intermediate Tree Nodes Not available
Direct Parento-Xylenes
Alternative Parents Isocyanates  Propargyl-type 1,3-dipolar organic compounds  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents O-xylene - Isocyanate - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as o-xylenes. These are aromatic compounds that contain a o-xylene moiety, which is a monocyclic benzene carrying exactly two methyl groups at the 1- and 2-positions.
External Descriptors isocyanates
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.

2 results found

Lot NumberCertificate TypeDateItem
J2516498Certificate of AnalysisAug 13, 2025 D695743
J2516499Certificate of AnalysisAug 13, 2025 D695743
Chemical and Physical Properties
Molecular Weight147.170 g/mol
XLogP33.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass147.068 Da
Monoisotopic Mass147.068 Da
Topological Polar Surface Area29.400 Ų
Heavy Atom Count11
Formal Charge0
Complexity172.000
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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