8.20797

Diphenylmethane 4,4′-diisocyanate

(mixture of di-and triisocyanates) for synthesis

• Sinónimos: Diphenylmethane 4,4′-diisocyanate, Methylenediphenylene diisocyanate
• Fórmula empírica (notación de Hill): C₁₅H₁₀N₂O₂
• Número de CAS: 101-68-8
• Peso molecular: 250.25
• Número MDL: MFCD00036131
• Código UNSPSC: 12352118
• Número índice de la CE: 202-966-0
• NACRES: NA.22

Propiedades

• presión de vapor: 0.066 hPa ( 20 °C)
• Nivel de calidad: 200
• Formulario: liquid
• temp. de autoignición: >600 °C
• potencia: >5000 mg/kg LD₅₀, oral (Rat); >9000 mg/kg LD₅₀, skin (Rabbit)
• lim. expl.: 0.4 % (v/v)
• bp: 196 °C/7 hPa
• mp: 10 °C
• temperatura de transición: flash point 196 °C
• solubilidad: 2 g/L (decomposition)
• densidad: 1.239 g/cm³ at 20 °C
• temp. de almacenamiento: 2-30°C
• cadena SMILES: N(=C=O)c1ccc(cc1)Cc2ccc(cc2)N=C=O
• 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
• Clave InChI: UPMLOUAZCHDJJD-UHFFFAOYSA-N

Descripción

Aplicación

• Oil absorption enhancement with hydrophobic nanofibrils: Hydrophobic cellulose nanofibrils modified with Diphenylmethane 4,4′-diisocyanate and other diisocyanates demonstrated improved performance in absorbing circulating oil, offering significant potential for environmental cleanup applications (Chen et al., 2024).
• Evaluation of adhesion enhancers for foliar applications: Research on self-assembling eugenol-loaded particles, which might involve Diphenylmethane 4,4′-diisocyanate for carrier adhesion on leaves, indicated enhanced efficiency in foliar applications and underscored the importance of ecotoxicological safety (Zhang et al., 2023).
• Development of deformative polyurethane actuators: Diphenylmethane 4,4′-diisocyanate was used in the synthesis of self-healing polyurethane actuators that respond to light, heat, and humidity, highlighting its utility in creating smart materials for advanced engineering applications (Dong et al., 2023).

Nota de análisis

Assay (GC, area%): 50.0 - 70.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.237 - 1.242
isomer Diisocyantes (GC, area%): ≤ 10.0 % (a/a)
triisocyanate (GC, area%): 20.0 - 40.0 % (a/a)
Identity (IR): passes test

Información de seguridad

• Pictogramas: GHS07,GHS08
• Palabra de señalización: Danger
• Frases de peligro: H315 - H317 - H319 - H332 - H334 - H335 - H351 - H373
• Consejos de prudencia: P202 - P260 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Clasificaciones de peligro: 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 de actuación: Respiratory system
• Código de clase de almacenamiento: 11 - Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 1
• Punto de inflamabilidad (°F): 411.8 °F - closed cup
• Punto de inflamabilidad (°C): 211 °C - closed cup