8.20797

Diphenylmethane 4,4′-diisocyanate

(mixture of di-and triisocyanates) for synthesis

• Synonyme(s) : Diphenylmethane 4,4′-diisocyanate, Methylenediphenylene diisocyanate
• Formule empirique (notation de Hill): C₁₅H₁₀N₂O₂
• Numéro CAS: 101-68-8
• Poids moléculaire : 250.25
• Numéro MDL: MFCD00036131
• Code UNSPSC : 12352118
• Numéro de classement CE : 202-966-0
• Nomenclature NACRES : NA.22

Propriétés

• Pression de vapeur: 0.066 hPa ( 20 °C)
• Niveau de qualité: 200
• Forme: liquid
• Température d'inflammation spontanée: >600 °C
• Puissance: >5000 mg/kg LD₅₀, oral (Rat); >9000 mg/kg LD₅₀, skin (Rabbit)
• Limite d'explosivité: 0.4 % (v/v)
• Point d'ébullition: 196 °C/7 hPa
• Pf: 10 °C
• Température de transition: flash point 196 °C
• Solubilité: 2 g/L (decomposition)
• Densité: 1.239 g/cm³ at 20 °C
• Température de stockage: 2-30°C
• 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
• Clé InChI: UPMLOUAZCHDJJD-UHFFFAOYSA-N

Description

Application

• 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).

Remarque sur l'analyse

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

Informations sur la sécurité

• Pictogrammes: GHS07,GHS08
• Mention d'avertissement: Danger
• Mentions de danger: H315 - H317 - H319 - H332 - H334 - H335 - H351 - H373
• Conseils de prudence: P202 - P260 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Classification des risques: 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
• Organes cibles: Respiratory system
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): 411.8 °F - closed cup
• Point d'éclair (°C): 211 °C - closed cup