33428

4,4′-MDI

analytical standard

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

Propiedades

• grade: analytical standard
• Quality Segment: 100
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable, chromatography: 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

Descripción

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

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.

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

Información de seguridad

• Pictogramas: GHS08,GHS07
• Palabra de advertencia: Danger
• Códigos de peligro: H315,H317,H319,H332,H334,H335,H351,H373
• Indicaciones de precaución: 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
• Órganos diana: Respiratory system
• Clase de almacenamiento: 11 - Combustible Solids
• ¿Qué está pasando?: WGK 1
• Punto de inflamación (°F): 411.8 °F - closed cup
• Punto de inflamación (°C): 211 °C - closed cup
• EPI (equipos de protección individual): dust mask type N95 (US), Eyeshields, Faceshields, Gloves