A3133112
2,4-Dinitrobenzenesulfonic acid hydrate , 98% , 89-02-1
CAS NO.：89-02-1
Empirical Formula: C6H4N2O7S
Molecular Weight: 248.17
MDL number: MFCD00066017
EINECS: 201-876-9
| Pack Size | Price | Stock | Quantity |
| 5G | RMB156.00 | In Stock |
|
| 25G | RMB327.20 | In Stock |
|
| 100G | RMB791.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 95-98 °C(lit.) |
| Density | 1.745 (estimate) |
| refractive index | 1.6430 (estimate) |
| form | solid |
| pka | -2.21±0.50(Predicted) |
| Water Solubility | Soluble in methanol (2.5% w/v), slightly soluble in water. |
Description and Uses
Reduction of 2,4-Dinitrobenzenesulfonic Acid gives the colorant intermediate 1,3-diaminobenzene-4-sulfonic acid [88-63-1] as an alternative to the sulfonation of m-phenylenediamine.
Safety
| Symbol(GHS) |   GHS07,GHS05 |
| Signal word | Warning |
| Hazard statements | H314-H318-H315-H319 |
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P260h-P301+P330+P331-P303+P361+P353-P305+P351+P338-P405-P501a |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 1759 8/PG 2 |
| WGK Germany | 3 |
| RTECS | DB6500000 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
