33428

4,4′-MDI

analytical standard

• Synonym(e): 4,4′-Methylen-bis(phenylisocyanat), 4,4′-MDI, Bis-(4-isocyanatophenyl)-methan
• Lineare Formel: CH₂(C₆H₄NCO)₂
• CAS-Nummer: 101-68-8
• Molekulargewicht: 250.25
• Beilstein: 797662
• EG-Nummer: 202-966-0
• MDL-Nummer: MFCD00036131
• UNSPSC-Code: 41116107
• PubChem Substanz-ID: 329754540
• NACRES: NA.24

Eigenschaften

• Qualität: analytical standard
• Qualitätsniveau: 100
• Haltbarkeit: limited shelf life, expiry date on the label
• Methode(n): HPLC: suitable; gas chromatography (GC): suitable
• bp: 200 °C/5 mmHg (lit.)
• mp (Schmelzpunkt): 42-45 °C (lit.)
• Dichte: 1.18 g/mL at 25 °C (lit.)
• Anwendung(en): environmental
• Format: neat
• Lagertemp.: −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
• InChIKey: UPMLOUAZCHDJJD-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

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

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

Anwendung

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.

Sicherheitshinweise

• Piktogramme: GHS08,GHS07
• Signalwort: Danger
• H-Sätze: H315,H317,H319,H332,H334,H335,H351,H373
• P-Sätze: P202 - P260 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Gefahreneinstufungen: 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
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): 411.8 °F - closed cup
• Flammpunkt (°C): 211 °C - closed cup
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Faceshields, Gloves