Thrimethyl Orthoformate/TMOF CAS 149-73-5

1. Trimethyl orthoformate is a key reagent for the protection of aldehydes and ketones as acetals, and for the synthesis of various heterocyclic compounds .
2. TMOF CAS 149-73-5 is used in the production of pharmaceuticals, agrochemicals, and dyes as a versatile building block and methylating agent .
3. Trimethyl orthoformate serves as a water scavenger and dehydrating agent in organic reactions, such as in the preparation of esters and amidines .

1. Store Trimethyl orthoformate in a tightly sealed container in a cool, dry, and well-ventilated place, away from heat, sparks, and open flames .
2. Keep TMOF CAS 149-73-5 strictly away from strong oxidizing agents and acids, as Trimethyl orthoformate is incompatible and may react .
3. Handle Trimethyl orthoformate using appropriate personal protective equipment including chemical-resistant gloves and safety goggles, as Trimethyl orthoformate causes skin and eye irritation .

1. Isolate the TMOF CAS 149-73-5 spill area, eliminate all ignition sources, and wear full protective equipment including self-contained breathing apparatus before handling Trimethyl orthoformate .
2. Contain liquid Trimethyl orthoformate using dry inert absorbent material like sand, collect using non-sparking tools into sealed, labeled containers for disposal, and prevent entry into drains or waterways .
3. Personnel cleaning Trimethyl orthoformate spills must dispose of waste according to hazardous material regulations, as Trimethyl orthoformate is classified for transport as a flammable liquid (UN 3272, Hazard Class 3, PG III) .

1. Trimethyl orthoformate is classified with GHS signal word "Danger" as a highly flammable liquid and vapor (H225, flash point 13-15°C) .
2. TMOF CAS 149-73-5 causes serious eye irritation (H319) and may cause respiratory irritation (H335) .
3. Trimethyl orthoformate has a boiling point of 101-102°C and density of 0.97 g/mL; thermal decomposition produces toxic fumes including carbon oxides .