A3113312
3,3-Dimethylacrylic Acid , 98% , 541-47-9
Synonym(s):
3,3-Dimethylacrylic acid;3-Methyl-2-butenoic acid;3-Methylcrotonic acid;Senecioic acid
CAS NO.：541-47-9
Empirical Formula: C5H8O2
Molecular Weight: 100.12
MDL number: MFCD00004366
EINECS: 208-782-7
| Pack Size | Price | Stock | Quantity |
| 25G | RMB27.20 | In Stock |
|
| 100G | RMB84.80 | In Stock |
|
| 500G | RMB333.60 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 65-70 °C (lit.) |
| Boiling point: | 194-195 °C (lit.) |
| Density | 0,969 g/cm3 |
| refractive index | 1.4226 (estimate) |
| FEMA | 3187 | 3-METHYLCROTONIC ACID |
| Flash point: | 93°C |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | pK1:5.12 (25°C) |
| color | Off-White to Pale Orange |
| Odor | at 1.00 % in propylene glycol. green phenolic dairy |
| Odor Type | phenolic |
| Water Solubility | Soluble in water, and methanol. |
| JECFA Number | 1204 |
| BRN | 1720305 |
| InChIKey | YYPNJNDODFVZLE-UHFFFAOYSA-N |
| LogP | 1.35 |
| CAS DataBase Reference | 541-47-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butenoic acid, 3-methyl-(541-47-9) |
| EPA Substance Registry System | 2-Butenoic acid, 3-methyl- (541-47-9) |
Description and Uses
May be prepared by the action of alkalis or bases on the ester of α-bromoisovaleric acid; by condensation of acetone with malonic acid or bromoacetic ester; by oxidation of mesityl oxide with sodium hypochlorite.
Chemical Intermediates.
Safety
| Symbol(GHS) |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H315-H318-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| Hazard Codes | Xi,C |
| Risk Statements | 37/38-41-34 |
| Safety Statements | 26-36/37/39-45-27 |
| WGK Germany | 1 |
| RTECS | GQ5425000 |
| F | 21 |
| TSCA | Yes |
| HS Code | 29161900 |
