Product Information
Chemical Name Triethyl Orthoformate
Synonyms Triethoxymethane, Orthoformic acid triethyl ester, Ethyl orthoformate
CAS Number 122-51-0
EINECS No. 204-550-4
Molecular Formula C₇H₁₆O₃
Molecular Weight 148.20 g/mol
Product Grade Industrial Fine-chemical GradeChemical Category Ortho-ester compound
UN ID UN 2524
Transport Hazard Class 3
Packing Group III
HS Code 29159080Physical-Chemical Characteristics
Physical State Colorless volatile liquid with mild ether-like odor
Density (20 °C) 0.891‑0.897 g/cm³
Refractive Index n₂₀/D 1.391-1.394Boiling Range 144-148 °C
Melting Point −76 °C
Closed-cup Flash Point 30 °C
Hydrolysis Property Gradually hydrolyses upon contact with water
Solubility Miscible with ethanol, diethyl ether; sparingly soluble in waterQuality Specifications
| Test Parameter | Specification |
|---|---|
| Purity (GC) | Min 99.0 % |
| Moisture (Karl Fischer) | Max 0.05 % |
| Residual Ethanol | Max 0.45 % |
| Color (APHA) | Max 10 |
| Acidity (as formic acid) | Max 0.05 wt% |
Main Applications
Critical building-block for pharmaceutical API and agro-chemical intermediate production.
Functions as dehydrating agent and formylation reagent for organic synthesis reactions.
Utilized for carbonyl-group protection in fine‑chemistry lab and pilot-scale synthesis.
Raw material for synthetic perfumes, flavor compounds and special dyestuff intermediates.
Packaging, Shipment & Storage
Packaging: 200 kg steel drum; custom packing available upon customer request.
Lead-time: Sample order: 7-15 working days against deposit.
Storage Guidance: Keep drums tightly sealed. Store in cool, dry and ventilated warehouse. Keep far from ignition sources, heat, oxidizing substances and moisture. Prevent water ingress to avoid hydrolysis reaction.
Shelf-life: 24 months when stored in original unopened containers.
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