| Melting point |
165-168 °C (lit.) |
| Boiling point |
268°C |
| Density |
1.573 g/mL at 25 °C (lit.) |
| vapor pressure |
0.0000115 Pa (20 °C) |
| refractive index |
1.4980 (estimate) |
| Flash point |
268°C |
| storage temp. |
Store below +30°C. |
| solubility |
77.49g/l |
| pka |
3.85(at 25℃) |
| form |
Crystalline Powder or Crystals |
| Specific Gravity |
1.573 |
| color |
White to light beige |
| PH |
3.5(1 mM solution);2.95(10 mM solution);2.43(100 mM solution); |
| Odor |
Characteristic Odor |
| Water Solubility |
Soluble in water, acetone, methanol, hexane and ethanol. Slightly soluble in benzene, chloroform, carbon disulfide and petroleum ether. |
| Sensitive |
Hygroscopic |
| Merck |
14,5242 |
| BRN |
1759501 |
| Henry's Law Constant |
1.3×106 mol/(m3Pa) at 25℃, Yaws (2003) |
| Stability |
Light Sensitive |
| Cosmetics Ingredients Functions |
BUFFERING
ANTIMICROBIAL
SKIN CONDITIONING - EMOLLIENT
SKIN CONDITIONING |
| InChI |
1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h1-2H2,(H,6,7)(H,8,9) |
| InChIKey |
LVHBHZANLOWSRM-UHFFFAOYSA-N |
| SMILES |
OC(=O)CC(=C)C(O)=O |
| LogP |
-0.301 at 20℃ |
| CAS DataBase Reference |
97-65-4(CAS DataBase Reference) |
| NIST Chemistry Reference |
Butanedioic acid, methylene-(97-65-4) |
| EPA Substance Registry System |
Itaconic acid (97-65-4) |
| CAS Number Unlabeled |
97-65-4 |
