PRODUCT Properties
| Melting point: | 33-36 °C (lit.) |
| Boiling point: | 75-80 C |
| Density | 1.075 g/mL at 25 °C (lit.) |
| refractive index | 1.4640 (estimate) |
| Flash point: | >230 °F |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| pka | 5.14±0.10(Predicted) |
| form | Crystalline Solid |
| color | Dark brown |
| Water Solubility | 7 g/L (20 ºC) |
| BRN | 638704 |
| Stability: | Stability Stable, but sensitive to prolonged exposure to light. Incompatible with acids. |
Description and Uses
Various 2,4-dimethoxyphenylsemicarbazones were synthesized starting from 2,4-dimethoxyaniline via a phenylcarbamate intermediate. The hydrochloride of 2,4-dimethoxyaniline was prepared by intro- ducing hydrogen chloride gas into an etheral solution and washing the precipitate with absolute diethyl ether.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P264-P270-P301+P312-P302+P352-P305+P351+P338 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38-20/21/22 |
| Safety Statements | 26-36-36/37/39-22 |
| RIDADR | 2811 |
| WGK Germany | 3 |
| RTECS | BX4200000 |
| F | 8-10-23 |
| TSCA | Yes |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| HS Code | 29214200 |
| Toxicity | mouse,LD50,oral,1gm/kg (1000mg/kg),Progress Report for Contract No. NIH-NCI-E-C-72-3252, Submitted to the National Cancer Institute by Litton Bionetics, Inc. Vol. NCI-E-C-72-3252, Pg. 1973, |
