8.08264

Toluylene diisocyanate

(mixture of isomeres) for synthesis

• Sinônimo(s): Toluylene diisocyanate, 4-Methyl-m-phenylene diisocyanate, TDI
• Fórmula linear: (NCO)₂C₆H₃CH₃
• Número CAS: 26471-62-5
• Peso molecular: 174.16
• Número MDL: MFCD00002011
• Código UNSPSC: 12352118
• Número do índice EC: 247-722-4
• NACRES: NA.22

Propriedades

• pressão de vapor: 0.03 hPa ( 20 °C)
• Nível de qualidade: 200
• Formulário: liquid
• temperatura de autoignição: 620 °C
• potência: 4130 mg/kg LD₅₀, oral (Rat); >12200 mg/kg LD₅₀, skin (Rabbit)
• Lim. expl.: 0.9-9.5 % (v/v)
• p.e.: 247 °C/1013 hPa
• pf: 12-14 °C
• temperatura de transição: flash point 132 °C
• densidade: 1.22 g/cm³ at 20 °C
• temperatura de armazenamento: 2-30°C
• cadeia de caracteres SMILES: N(=C=O)c1c(ccc(c1)N=C=O)C
• InChI: 1S/C9H6N2O2/c1-7-2-3-8(10-5-12)4-9(7)11-6-13/h2-4H,1H3
• chave InChI: DVKJHBMWWAPEIU-UHFFFAOYSA-N

Descrição

Aplicação

• Preparation and properties of toluene-diisocyanate-trimer-modified epoxy resin: Discusses the enhancement of epoxy resin properties through the self-polymerization of TDI, aiming to improve performance in industrial applications (X Zhang, L Qiao, X Lu, L Jiang, T Cao, 2019).


• A simple method for the quantification of free isocyanates on the surface of cellulose nanocrystals: This research focuses on the carbamation of cellulose using TDI, which is critical for the modification and enhancement of nanocellulose surfaces for various applications (H Abushammala, 2019).


• Fluorescent linear polyurea based on toluene diisocyanate: Reports the preparation of a TDI-based polyurea that exhibits broad emission spectra, suggesting potential uses in sensor applications and material science (H Cao, B Li, X Jiang, X Zhu, XZ Kong, 2020).

Nota de análise

Assay isomers (GC, area%): ≥ 98.0 % (a/a)
Assay Toluylene-2,6-diisocyanate (NMR): 10.0 - 30.0 % (a/a)
Assay Toluylene-2,4-diisocyanate (NMR): 70.0 - 90.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.218 - 1.222
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Informações de segurança

• Pictogramas: GHS06,GHS08
• Palavra indicadora: Danger
• Frases de perigo: H315 - H317 - H319 - H330 - H334 - H335 - H351 - H412
• Declarações de precaução: P201 - P273 - P280 - P302 + P352 - P304 + P340 + P310 - P305 + P351 + P338
• Classificações de perigo: Acute Tox. 1 Inhalation - Aquatic Chronic 3 - Carc. 2 - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1A - STOT SE 3
• Órgãos-alvo: Respiratory system
• Código de classe de armazenamento: 6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
• Classe de risco de água (WGK): WGK 2
• Ponto de fulgor (°F): 269.6 °F - closed cup
• Ponto de fulgor (°C): 132 °C - closed cup