For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.
α-Crotonic acid
SpectraBase Compound ID JueQdcOcQiD
InChI InChI=1S/C4H6O2/c1-2-3-4(5)6/h2-3H,1H3,(H,5,6)/b3-2+
InChIKey LDHQCZJRKDOVOX-NSCUHMNNSA-N
Mol Weight 86.09 g/mol
Molecular Formula C4H6O2
Exact Mass 86.036779 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

View the Full Spectrum for FREE!

The full spectrum can only be viewed using a FREE account.

SpectraBase Spectrum ID GcpFy2DOz0m
Name CROTONIC ACID
Source of Sample CHEM SERVICE, INC., WEST CHESTER, PENNSYLVANIA
Boiling Point 185.0C
CAS Registry Number 3724-65-0
Comments PHARMACEUTICALLY IMPORTANT IN SYNTHESIS OF VITAMIN A. SOLUBLE IN WATER, ALCOHOL, ACETONE. USED IN THE MANUFACTURE OF COPOLYMERS (ESPECIALLY WITH VINYL ACETATE FOR USE IN PAPER SIZING AND LACQUERS) AND IN SOFTENING AGENTS FOR SYNTHETIC RUBBER. NIOSH= GQ28000
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Density 72C=0.973; 77C=0.9604 G/ML
Flash Point 190F (COC)
Formula C4H6O2
InChI InChI=1S/C4H6O2/c1-2-3-4(5)6/h2-3H,1H3,(H,5,6)/b3-2+
InChIKey LDHQCZJRKDOVOX-NSCUHMNNSA-N
Melting Point 72C
Molecular Weight 86.09
Optical Properties Index of Refraction= 77C=1.4249; 80C=1.4228
Synonyms (E)-2-BUTENOIC ACID alpha-CROTONIC ACID trans-BUTENOIC ACID beta-METHYLACRYLIC ACID 3-METHYLACRYLIC ACID
Technique FILM (CAST FROM CHLOROFORM)
Vapor Pressure 0.18 (30C) TORR