A7325612
Sodium chromate, anhydrous , 98% , 7775-11-3
CAS NO.：7775-11-3
Empirical Formula: CrNa2O4
Molecular Weight: 161.973
MDL number: MFCD00003484
EINECS: 231-889-5
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 792°C |
| Density | 2,72 g/cm3 |
| solubility | slightly soluble in ethanol |
| form | Solid |
| color | Yellow |
| Water Solubility | 530 G/L (20 ºC) |
| Merck | 14,8601 |
| 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 |
Description and Uses
Sodium chromate anhydrous is used as a corrosion inhibitor in the petroleum industry, wood preservative and dyeing auxiliary in the textile industry. It is also used to prepare pigments for paints and inks. It also finds use in pharmaceuticals to determine red blood cell volume. In synthetic chemistry, it is utilized as an oxidant to convert primary alcohols and secondary alcohols to carboxylic acids and ketones respectively.
Safety
| Symbol(GHS) |     GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410 |
| Precautionary statements | P260-P280-P301+P310+P330-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | T+,N |
| Risk Statements | 45-46-60-61-21-25-26-34-42/43-48/23-50/53 |
| Safety Statements | 53-45-60-61 |
| RIDADR | UN 3288 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | GB2955000 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | II |
| HS Code | 28415000 |
