33428

4,4′-MDI

analytical standard

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

Propriétés

• 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.

Informations sur la sécurité

• 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
• Classe de stockage: 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