WANNATE 8312 is a mixture of MDI and polyether polyol modified MDI. The main hazards are inhalation, ingestion, and skin absorption, which are harmful. It has irritating effects on eyes, skin, mucous membranes and upper respiratory tract.
This Material Safety Data Sheet (MSDS) for WANNATE 8312, produced by Beijing Kecheng Chemical New Materials Co., Ltd., outlines the hazardous nature of the product, its composition, and recommended protective measures. It details health hazards such as respiratory irritation, skin and eye irritation, and potential sensitization.
The document also includes fire‑fighting instructions, accidental release procedures, storage recommendations, and key physical‑chemical properties such as vapor pressure, specific gravity, and auto‑ignition temperature. Toxicological data and regulatory information are provided to ensure safe handling and compliance. This manual is written in Chinese.
| Vapor pressure | <10 mmHg (at 40 °C) |
|---|---|
| Specific gravity | 1.18‑1.23 (at 25 °C) |
| Auto‑ignition temperature | >600 °C |
| Oral LD50 (rat) | >5000 mg/kg |
| Inhalation LD50 (4 h, rat) | 490 mg/m³ |
Use a NIOSH/MSHA‑approved respirator, chemical‑resistant gloves, and protective clothing such as chemical‑resistant aprons and safety goggles.
Immediately remove contaminated clothing and wash the affected skin thoroughly with plenty of water and soap.
Extinguish with water spray, carbon dioxide, dry powder, or foam, and wear appropriate respiratory protection and protective clothing.