478458

3,4-Dimethylphenyl isocyanate

98%

• Linear Formula: (CH₃)₂C₆H₃NCO
• CAS Number: 51163-27-0
• Molecular Weight: 147.17
• MDL number: MFCD00013867
• UNSPSC Code: 12352100
• PubChem Substance ID: 24871511

Properties

• assay: 98%
• refractive index: n20/D 1.536 (lit.)
• bp: 85 °C/2 mmHg (lit.)
• density: 1.051 g/mL at 25 °C (lit.)
• SMILES string: Cc1ccc(cc1C)N=C=O
• InChI: 1S/C9H9NO/c1-7-3-4-9(10-6-11)5-8(7)2/h3-5H,1-2H3
• InChI key: AYCDBMRVKSXYKW-UHFFFAOYSA-N

Safety Information

• pictograms: GHS08,GHS07
• signalword: Danger
• hcodes: H302 + H312 + H332,H315,H317,H319,H334,H335
• pcodes: P261 - P264 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 3
• flash_point_f: 197.6 °F - closed cup
• flash_point_c: 92 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter