8.20797

Diphenylmethane 4,4′-diisocyanate

(mixture of di-and triisocyanates) for synthesis

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

Propriedades

• pressão de vapor: 0.066 hPa ( 20 °C)
• Nível de qualidade: 200
• Formulário: liquid
• temperatura de autoignição: >600 °C
• potência: >5000 mg/kg LD₅₀, oral (Rat); >9000 mg/kg LD₅₀, skin (Rabbit)
• Lim. expl.: 0.4 % (v/v)
• p.e.: 196 °C/7 hPa
• pf: 10 °C
• temperatura de transição: flash point 196 °C
• solubilidade: 2 g/L (decomposition)
• densidade: 1.239 g/cm³ at 20 °C
• temperatura de armazenamento: 2-30°C
• cadeia de caracteres 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
• chave InChI: UPMLOUAZCHDJJD-UHFFFAOYSA-N

Descrição

Aplicação

• 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 análise

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

Informações de segurança

• Pictogramas: GHS07,GHS08
• Palavra indicadora: Danger
• Frases de perigo: H315 - H317 - H319 - H332 - H334 - H335 - H351 - H373
• Declarações de precaução: P202 - P260 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Classificações de perigo: 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
• Órgãos-alvo: Respiratory system
• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): 411.8 °F - closed cup
• Ponto de fulgor (°C): 211 °C - closed cup