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| CAS No.: | 7782-82-3 |
|---|---|
| Name: | SODIUM HYDROGEN SELENITE |
| Article Data: | 17 |
| Molecular Structure: | |
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| Formula: | H2O3 Se . Na |
| Molecular Weight: | 150.956 |
| Synonyms: | Seleniousacid (H2SeO3), monosodium salt (8CI); Sodium selenite (NaHSeO3) (7CI); Hydrogensodium selenite (NaHSeO3); Hydrogen sodium selenium oxide (NaHSeO3); Sodiumhydrogen selenite; Sodium hydrogen trioxoselenite; Sodium hydroselenite(NaHSeO3) |
| EINECS: | 233-267-9 |
| Melting Point: | >350ºC |
| Solubility: | Freely soluble in water. Insoluble in alcohol |
| Appearance: | white powder |
| Hazard Symbols: | A reproductive hazard. |
| Risk Codes: | 23/25-33-50/53 |
| Safety: | Experimental reproductive effects. When heated to decomposition it emits toxic vapors of Se. |
| Transport Information: | UN 2630 6 |
| PSA: | 60.36000 |
| LogP: | -0.79520 |
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Chemistry
MF: HNaO3Se
MW: 150.9559 g/mol
Storage temp: 2-8°C
Chemical Properties: off-white fine powder
IUPAC Name: Sodium hydrogen selenite
Synonyms: Sodium biseleite ; Sodium biselenite ; Sodium acid selenite ; Sodium hydrogen selenite ; Sodium hydroselenite ; Hydrogensodiumselenite ; Hydrogensodiumseleniumoxide ; Seleniousacid,monosodiumsalt
Following is the molecular structure of Selenious acid, monosodium salt (7782-82-3):
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Uses
Selenious acid, monosodium salt (7782-82-3) is used as a general analytical reagent, but also for the preparation of bacterial culture medium.
Safety Profile
Experimental reproductive effects. When heated to decomposition it emits toxic vapors of Se.
Safety Information of Selenious acid, monosodium salt (7782-82-3):
Hazard Codes: T,N
T: Toxic .gif){kind=small}
N: Dangerous for the environment .gif){kind=small}
Risk Statements: 23/25-33-50/53
23/25: Toxic by inhalation and if swallowed
33: Danger of cumulative effects
50/53: Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 20/21-28-45-60-61
20/21: When using, do not eat, drink or smoke
28: After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
RIDADR: UN 2630 6.1/PG 1
WGK Germany: 3
RTECS: VS7500000
HazardClass: 6.1
PackingGroup: I