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80-59-1 - Tiglic acid, 98+% - trans-2,3-Dimethylacrylic acid - (E)-2-Methyl-2-butenoic acid - A13905 - Alfa Aesar

A13905 Tiglic acid, 98+%

CAS Number
80-59-1
Synonyms
trans-2,3-Dimethylacrylic acid
(E)-2-Methyl-2-butenoic acid

Size Price ($) Quantity Availability
25g 34.11
100g 69.28
500g 288.80
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Tiglic acid, 98+%

MDL
MFCD00066864
EINECS
201-295-0

Chemical Properties

Formula
C5H8O2
Formula Weight
100.12
Melting point
62-66°
Boiling Point
198-199°
Flash Point
101°(213°F)
Density
0.969

Literature 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).

/n

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):

/n

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GHS Hazard and Precautionary Statements

Hazard Statements: H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements: P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P363-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,9433
Beilstein
1236500
Hazard Class
8
Packing Group
III
Harmonized Tariff Code
2916.19
TSCA
Yes
RTECS
GQ5430000

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