Crotonic acid
ALDRICH/113018 - 98%
Synonym: trans-2-Butenoic acid
CAS Number: 107-93-7
Empirical Formula (Hill Notation): C4H6O2
Molecular Weight: 86.09
EC Number: 203-533-9
MDL Number: MFCD00002701
Linear Formula: CH3CH=CHCOOH
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 113018-500G
This image depicts SKU: 113018-500G
| assay | 98% |
| autoignition temp. | 744 °F |
| bp | 180-181 °C (lit.) |
| density | 1.027 g/mL at 25 °C (lit.) |
| expl. lim. | 15.1 %, 171 °F |
| 2.2 %, 135 °F | |
| InChI | 1S/C4H6O2/c1-2-3-4(5)6/h2 |
| InChI key | LDHQCZJRKDOVOX-NSCUHMNNSA |
| mp | 70-72 °C (lit.) |
| Quality Level | 100  |
| SMILES string | [H]C(C)=C([H])C(O)=O |
| solubility | H2O: soluble |
| vapor density | 2.97 (vs air) |
| vapor pressure | 0.19 mmHg ( 20 °C) |
| Application: | Crotonic acid is used in the copolymerization of crotonic acid hydrogel systems by using gamma-rays. The crosslinked copolymeric crotonic acid hydrogels release fertilizers and drugs that help to prevent environmental pollution. |
| General description: | Crotonic acid undergoes esterification with butan-2-ol by following second order reaction kinetics. |
| Packaging: | 3 kg in poly drum |
| Packaging: | 500 g in poly bottle |
| Preparation Note: | Crotonic acid dissolves in water at a concentartion of 100 mg/ml to yield a clear, colorless solution. |
| Symbol |  GHS05 |
| Signal word | Danger |
| Hazard statements | H318 |
| Precautionary statements | P280 - P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 38-41 |
| Safety Statements | 3/7-9-14-22-26-37/39 |
| RIDADR | UN 2823 8 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | 190.4 °F - closed cup |
| Flash Point(C) | 88 °C - closed cup |
| Purity | 98% |
| bp | 180-181 °C (lit.) |
| mp | 70-72 °C (lit.) |
| Density | 1.027 g/mL at 25 °C (lit.) |
| UNSPSC | 12352100 |