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Triethyl Orthoformate
(CAS RN:122-51-0 Product Number:O0066)


Triethyl Orthoformate
Synonym Ethyl Orthoformate
Synonym Orthoformic Acid Triethyl Ester
Synonym Triethoxymethane

General Information

Product Number O0066

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Purity/Analysis Method >98.0%(GC)
Storage Temperature
M.F. / M.W. C7H16O3=148.20
CAS RN 122-51-0
Related CAS RN
MDL Number MFCD00009230
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(GC) min. 98.0 %
Specific gravity (20/20) 0.8930 to 0.8960
Appearance Colorless to Almost colorless clear liquid
Refractive index n20/D 1.3900 to 1.3930
Water max. 0.1 %

Data of Reference

flp 35°C(lit.)
bp 145°C


Beilstein 2,20
Reaxys-RN 605384
PubChem SID 87574080
Merck Index(14) 6884
F&F 7,385
RTECS# RM6475000
EC Number 204-550-4


Signal Word Warning
Hazard Statements
  • H226
  • :Flammable liquid and vapour.
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P210
  • :Keep away from heat/sparks/open flames/hot surfaces. – No smoking.
  • P280
  • :Wear protective gloves, eye protection.
  • P302+P352+P332+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.
  • P370+P378
  • :In case of fire: Use dry chemical or dry sand to extinguish.
  • P403+P235
  • :Store in a well-ventilated place. Keep cool.

Transport Information

UN Number 2524
Class 3
Packing Group III
HS Number 2915907055




PubMed Literature

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