A5613512
Mucochloric Acid , >98.0% , 87-56-9
Synonym(s):
2,3-Dichloromalealdehydic acid
CAS NO.：87-56-9
Empirical Formula: C4H2Cl2O3
Molecular Weight: 168.96
MDL number: MFCD00135465
EINECS: 201-752-4
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 125-128 °C(lit.) |
| Boiling point: | 238.75°C (rough estimate) |
| Density | 1.85 |
| refractive index | 1.4730 (estimate) |
| Flash point: | 212 °F |
| storage temp. | Store below +30°C. |
| solubility | 27g/l |
| pka | 0.28±0.44(Predicted) |
| form | Crystalline Powder |
| color | White to light beige |
| PH | 2.4 (27g/l, H2O, 20℃) |
| Water Solubility | SOLUBLE IN HOT WATER |
| Merck | 14,6297 |
| BRN | 1705641 |
| Surface tension | 72.58mN/m at 998g/L and 21℃ |
| CAS DataBase Reference | 87-56-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Mucochloric acid(87-56-9) |
| EPA Substance Registry System | 2-Butenoic acid, 2,3-dichloro-4-oxo-, (2Z)- (87-56-9) |
Description and Uses
Mucochloric Acid is an intermediate product of the herbicide Burex that can cause poisioning and skin damage upon exposure. Mucochloric Acid is also a chlorine disinfection byproduct in drinking water with mutagenic activity.
Safety
| Symbol(GHS) |   GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H301-H314-H335 |
| Precautionary statements | P260-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | T,C |
| Risk Statements | 25-34-37-42/43 |
| Safety Statements | 26-36/37/39-45-22 |
| RIDADR | UN 2923 8/PG 3 |
| WGK Germany | 2 |
| RTECS | AS7700000 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29183000 |
| Hazardous Substances Data | 87-56-9(Hazardous Substances Data) |
| Toxicity | LD50 in rats: 0.5-1.0 g/kg orally; 10-25 mg/kg i.p., Fassett in Industrial Hygiene and Toxicology vol. II, F. A. Patty, Ed. (Interscience, New York, 2nd ed., 1962) p 1977 |
