33428

4,4′-MDI

analytical standard

• Synonym(s): 4,4′-Methylenebis(phenyl isocyanate), 4,4′-Diphenylmethane diisocyanate, 4,4′-Methylenediphenyl diisocyanate, 4,4′-MDI, Bis(4-isocyanatophenyl)methane
• Linear Formula: CH₂(C₆H₄NCO)₂
• CAS Number: 101-68-8
• Molecular Weight: 250.25
• UNSPSC Code: 41116107
• NACRES: NA.24
• PubChem Substance ID: 329754540
• EC Number: 202-966-0
• Beilstein/REAXYS Number: 797662
• MDL number: MFCD00036131

Properties

• grade: analytical standard
• Quality Segment: 100
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable, gas chromatography (GC): suitable
• bp: 200 °C/5 mmHg (lit.)
• mp: 42-45 °C (lit.)
• density: 1.18 g/mL at 25 °C (lit.)
• application(s): environmental
• format: neat
• storage temp.: −20°C
• SMILES string: O=C=Nc1ccc(Cc2ccc(cc2)N=C=O)cc1
• InChI: 1S/C15H10N2O2/c18-10-16-14-5-1-12(2-6-14)9-13-3-7-15(8-4-13)17-11-19/h1-8H,9H2
• InChI key: UPMLOUAZCHDJJD-UHFFFAOYSA-N

Description

General description

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

4,4′-MDI can be extensively used to make urethane elastomers and urethane coatings.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

4,4′-MDI may be used as an analytical standard for the determination of the analyte in wastewater and air samples, and human biological samples by various chromatographic techniques.

Safety Information

• pictograms: GHS08,GHS07
• signalword: Danger
• hcodes: H315,H317,H319,H332,H334,H335,H351,H373
• pcodes: P202 - P260 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Inhalation - Carc. 2 - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: 411.8 °F - closed cup
• flash_point_c: 211 °C - closed cup
• ppe: dust mask type N95 (US), Eyeshields, Faceshields, Gloves