F068523
Ammonium chromate , 98+ , 7788-98-9
Synonym(s):
Chromic acid ammonium salt
CAS NO.：7788-98-9
Empirical Formula: CrH8N2O4
Molecular Weight: 152.07
MDL number: MFCD00015958
EINECS: 232-138-4
| Pack Size | Price | Stock | Quantity |
| 100g | RMB398.40 | In Stock |
|
| 500g | RMB1360.00 | In Stock |
|
| 2500g | RMB5950.40 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 180°C (dec.) |
| Density | 1.91 g/mL at 25 °C (lit.) |
| solubility | H2O: 1 M at 20 °C, clear, yellow |
| form | Crystalline |
| Specific Gravity | 1.91 |
| color | Yellow-orange |
| Water Solubility | Soluble in water. Slightly soluble in liquid ammonia, acetone, methanol. Insoluble in ethanol. |
| Merck | 14,510 |
| Exposure limits | ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin) OSHA: Ceiling 0.1 mg/m3 NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3 |
| CAS DataBase Reference | 7788-98-9(CAS DataBase Reference) |
| EPA Substance Registry System | Ammonium chromate (7788-98-9) |
Description and Uses
Reagent for the preparation of a solid heterogeneous oxidizing agent for liquid phase oxidation of alcohols.
Safety
| Symbol(GHS) |     GHS03,GHS05,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H272-H314-H334-H350-H350i-H410 |
| Precautionary statements | P210-P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | O,T,N |
| Risk Statements | 49-8-43-50/53-34 |
| Safety Statements | 53-17-45-60-61-36/37/39-26 |
| RIDADR | UN 1479 5.1/PG 2 |
| WGK Germany | 3 |
| RTECS | GB2880000 |
| TSCA | Yes |
| HazardClass | 5.1 |
| PackingGroup | III |
| Hazardous Substances Data | 7788-98-9(Hazardous Substances Data) |
