LN9414853
AR,≥99.5% , 7789-12-0
Synonym(s):
Sodium bichromate;Sodium bichromate, Sodium pyrochromate;Sodium dichromate dihydrate
CAS NO.:7789-12-0
Empirical Formula: Cr2H5NaO8
Molecular Weight: 260.01
MDL number: MFCD00149166
EINECS: 616-541-6
Update time: 2022-07-08
PRODUCT Properties
Melting point: | 91 °C(lit.) |
Boiling point: | 400°C |
Density | 2,348 g/cm3 |
vapor density | 10 (vs air) |
storage temp. | Store at +5°C to +30°C. |
solubility | Methanol (Slightly, Sonicated) |
form | Solid |
Specific Gravity | 2.348 |
color | Red-orange |
Odor | Odorless |
PH Range | 3.5-4.0 |
Water Solubility | 730 g/L (20 ºC) |
Sensitive | Hygroscopic |
Merck | 14,8609 |
Dielectric constant | 2.9(Ambient) |
CAS DataBase Reference | 7789-12-0(CAS DataBase Reference) |
EPA Substance Registry System | Disodium dichromate dihydrate (7789-12-0) |
Description and Uses
Sodium Dichromate Dihydrate is used as a catalyst in the synthesis of Endoperoxide II. Strong oxidizing agent in organic synthesis. Used in metal finishing as an aid in corrosion resistance.
Safety
Symbol(GHS) | GHS03,GHS05,GHS06,GHS08,GHS09 |
Signal word | Danger |
Hazard statements | H272-H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410 |
Precautionary statements | P210-P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
Hazard Codes | O,T+,N |
Risk Statements | 45-46-60-61-8-21-25-26-34-42/43-48/23-50/53 |
Safety Statements | 53-45-60-61 |
RIDADR | UN 3086 6.1/PG 1 |
WGK Germany | 3 |
RTECS | HX7750000 |
TSCA | Yes |
HazardClass | 5.1 |
PackingGroup | III |
HS Code | 28413000 |