33427

2,4-TDI

analytical standard

• Synonym(s): Toluene 2,4-diisocyanate, 2,4-Diisocyanatotoluene, 4-Methyl-m-phenylene diisocyanate, Tolylene 2,4-diisocyanate
• Empirical Formula (Hill Notation): C₉H₆N₂O₂
• CAS Number: 584-84-9
• Molecular Weight: 174.16
• Beilstein: 744602
• EC Number: 209-544-5
• MDL number: MFCD00002011
• UNSPSC Code: 41116107
• PubChem Substance ID: 329754539
• NACRES: NA.24

Properties

• grade: analytical standard
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• bp: 124-126 °C/18 mmHg (lit.); 251 °C (lit.)
• mp: 19.5-21.5 °C (lit.)
• density: 1.22 g/mL at 20 °C (lit.)
• application(s): cleaning products; cosmetics; environmental; food and beverages; personal care
• format: neat
• storage temp.: room temp
• SMILES string: Cc1ccc(cc1N=C=O)N=C=O
• InChI: 1S/C9H6N2O2/c1-7-2-3-8(10-5-12)4-9(7)11-6-13/h2-4H,1H3
• InChI key: DVKJHBMWWAPEIU-UHFFFAOYSA-N

Description

General description

2,4-TDI is an environmental contaminant belonging to the class of diisocyanates. It is commercially used as a starting material for varnishes, paints, elastomers, polyurethane foams, wire enamels, etc.

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Find all available reference materials for compounds listed in 10/2011 here

Application

2,4-TDI may be used as an analytical reference standard for the quantification of the analyte in gas-phase and biological fluids using chromatography techniques.

Safety Information

• Pictograms: GHS06,GHS08
• Signal Word: Danger
• Hazard Statements: H315,H317,H319,H330,H334,H335,H351,H412
• Precautionary Statements: P202 - P273 - P280 - P302 + P352 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 1 Inhalation - Aquatic Chronic 3 - Carc. 2 - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 2
• Flash Point(F): 269.6 °F - closed cup
• Flash Point(C): 132 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves