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Methyl Tetrolate
(CAS RN:23326-27-4 Product Number:T1053)


Methyl Tetrolate
Synonym 2-Butynoic Acid Methyl Ester
Synonym Methyl 2-Butynoate
Synonym Tetrolic Acid Methyl Ester

General Information

Product Number T1053

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Purity/Analysis Method >97.0%(GC)
Storage Temperature
M.F. / M.W. C5H6O2=98.10
CAS RN 23326-27-4
Related CAS RN
MDL Number MFCD00009273
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(GC) min. 97.0 %
Specific gravity (20/20) 0.9960 to 1.0050
Refractive index n20/D 1.4350 to 1.4380

Data of Reference

flp 45°C(lit.)
bp 148°C(lit.)


Beilstein 2(4)1691
Reaxys-RN 906816
PubChem SID 87576854


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 3272
Class 3
Packing Group III
HS Number 2916199590


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