Chemical Name: Trimethyl Orthoformate 
Product name: Trimethyl Orthoformate 
CAS RN: 149-73-5
Molecular Formula: C₄H₁₀O₃ 
Molecular Weight: 106.12 

Physical and chemical properties: Colorless transparent liquid, Boiling point 103-105οC, Relative Density 0.9676 ( 20 / 4 οC), Refractive index 1.3773 (2.5 οC), Flash point 15 οC. 

Uses: This product is an important organic synthetic intermediate. Mainly used for the synthesis of vitamin B1, sulfonamides, antibiotics, etc.; used in dehydrant of preventing polyurethane or epoxy paint from the hardening due to hydration; can be used in the synthesis of spices.

Quality Standard: Q/CYL4-2003 
Assay, % ≥ 99.3 
Methanol, % ≤ 0.2 
Other single impurity, % ≤ 0.1

Packing, transportation and packing 
1, Galvanized metal pail, 200©K/drum. or 20 tons of stainless steel Tank. 
2, Stored in dry, ventilating and moistureproof place, no exposed in air or high temperature region, far away from fire and water.
3, the worker should wear defense appliance.