Home > Compound List > Product Information
Tiglic acid_Molecular_structure_CAS_80-59-1)
Click picture or here to close

Tiglic acid

Catalog No. A13905 Name Alfa Aesar
CAS Number 80-59-1 Website
M. F. C5H8O2 Telephone
M. W. 100.11582 Fax
Purity 98+% Email
Storage Chembase ID: 85636

SYNONYMS

Title
惕各酸
IUPAC name
(2E)-2-methylbut-2-enoic acid
IUPAC Traditional name
tiglic acid
Synonyms
(E)-2-Methyl-2-butenoic acid
trans-2,3-Dimethylacrylic acid

DATABASE IDS

MDL Number MFCD00066864
Merck Index 149433
CAS Number 80-59-1
Beilstein Number 1236500
EC Number 201-295-0

PROPERTIES

Purity 98+%
Boiling Point 198-199°C
Density 0.969
Flash Point 101°C(213°F)
Melting Point 62-66°C
GHS Pictograms GHS05
GHS Hazard statements H314-H318
European Hazard Symbols Corrosive Corrosive (C)
GHS Precautionary statements P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
Risk Statements 34
RTECS GQ5430000
Safety Statements 26-36/37/39-45
TSCA Listed
Hazard Class 8
UN Number UN3261
Packing Group III

DETAILS

REFERENCES

  • Alcohols protected as tiglate esters can be cleaved by osmium tetroxide - periodate to the more readily hydrolyzed pyruvate esters: J. Org. Chem., 27, 3103 (1962).
  • Has been dimetallated with the hindered base Li tetramethylpiperidide. The resulting dilithio species reacts with benzynes (from bromobenzenes and the same base), providing a route to (E)-4-aryl-2-methyl-3-butenoic acids: Synth. Commun., 26, 963 (1996):