PRODUCT Properties
| Melting point: | 88-94 °C (lit.) |
| Boiling point: | 160.75°C (rough estimate) |
| Density | 1,62 g/cm3 |
| refractive index | 1.4502 (estimate) |
| storage temp. | Hygroscopic, -20°C Freezer, Under inert atmosphere |
| solubility | DMSO (Sparingly, Sonicated), Water (Slightly) |
| pka | pK1:2.29(0);pK2:6.15(+1) (25°C) |
| form | Crystalline Powder |
| color | White to light beige |
| Water Solubility | FREELY SOLUBLE |
| Sensitive | Hygroscopic |
| Merck | 14,2321 |
| BRN | 1722679 |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 498-23-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butenedioic acid, 2-methyl-, (Z)-(498-23-7) |
Description and Uses
Citraconic acid is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff fields.
Safety
| Symbol(GHS) |   GHS07,GHS06 |
| Signal word | Warning |
| Hazard statements | H301-H302 |
| Precautionary statements | P264-P270-P301+P312+P330-P501-P301+P310a-P321-P405-P501a |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 36-37/39-26 |
| RIDADR | 2811 |
| WGK Germany | 3 |
| RTECS | GE6650000 |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| HS Code | 29171900 |
| Toxicity | LD50 in rats, mice (mg/kg): 1320, 2260 orally (Jenner) |
