A7047058
3,3-DimethylacrylicAcid , 10mMinDMSO , 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 |
1ml | RMB159.20 | 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 |