Sodium selenite
- CAS No.
- 10102-18-8
- Chemical Name:
- Sodium selenite
- Synonyms
- SodiumSelenitanhydrous;natriumselenit;SODIUM SELENITE;SODIUM SELENIATE;Disodium selenite;Sodiumselenite,99%;Sodium Selenite AR;SODIUMSELENIUMOXIDE;SODIUMSELENITE,POWDER;sodium selenite .5H2O
- CBNumber:
- CB9852600
- Molecular Formula:
- Na2O3Se
- Molecular Weight:
- 172.94
- MOL File:
- 10102-18-8.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/5/15 10:43:05
| Melting point | >350 °C (lit.) |
|---|---|
| Density | 3.1[at 20℃] |
| vapor pressure | 0.133Pa at 20℃ |
| storage temp. | Store at RT. |
| solubility | Water (Slightly) |
| form | powder |
| color | white |
| Odor | Odorless |
| Water Solubility | 950 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| Merck | 14,8673 |
| Exposure limits |
ACGIH: TWA 0.2 mg/m3 NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 |
| InChIKey | BVTBRVFYZUCAKH-UHFFFAOYSA-L |
| CAS DataBase Reference | 10102-18-8(CAS DataBase Reference) |
| EPA Substance Registry System | Disodium selenite (10102-18-8) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS06,GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H300+H330-H315-H317-H319-H411 | |||||||||
| Precautionary statements | P260-P273-P280-P302+P352-P304+P340+P310-P305+P351+P338 | |||||||||
| Hazard Codes | T+,N,Xi | |||||||||
| Risk Statements | 23-28-31-43-51/53-36/37/38 | |||||||||
| Safety Statements | 28-36/37-45-61-28A-36-26 | |||||||||
| RIDADR | UN 2630 6.1/PG 1 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | VS7350000 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 6.1 | |||||||||
| PackingGroup | I | |||||||||
| HS Code | 28429010 | |||||||||
| Toxicity | LD50 orally in rats: 7 mg/kg (Cummins, Kimura) | |||||||||
| NFPA 704 |
|
Sodium selenite price More Price(25)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | S5261 | Sodium selenite BioReagent, suitable for cell culture, ≥98% | 10102-18-8 | 10G | ₹3702.15 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | S5261 | Sodium selenite BioReagent, suitable for cell culture, ≥98% | 10102-18-8 | 25G | ₹6018.7 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | S9133 | Sodium selenite γ-irradiated, lyophilized powder, BioXtra, suitable for cell culture | 10102-18-8 | 1MG | ₹6375.93 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | S5261 | Sodium selenite BioReagent, suitable for cell culture, ≥98% | 10102-18-8 | 100G | ₹12730.2 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 71950 | Sodium selenite anhydrous, ≥90.0% (RT) | 10102-18-8 | 100G | ₹9212.08 | 2022-06-14 | Buy |
Sodium selenite Chemical Properties,Uses,Production
Chemical Properties
Sodium selenite is a white crystalline substance.
Uses
Sodium selenite Na2O3Se is used in the production of red enamels and in the manufacture of clear red glass.
Definition
ChEBI: An inorganic sodium salt composed of sodium and selenite ions in a 2:1 ratio.
General Description
A white colored crystalline solid. Soluble in water and more dense than water. Contact may irritate skin, eyes and mucous membranes. Toxic by ingestion, inhalation and skin absorption.
Air & Water Reactions
Soluble in water.
Reactivity Profile
Sodium selenite is incompatible with strong acids.
Hazard
Toxic by ingestion.
Health Hazard
Toxic by ingestion. In humans, a concentration of 5 ppm in food or 0.5 ppm in milk or water has been estimated to be dangerous. Elemental selenium has low acute systemic toxicity, but dust or fumes can cause serious irritation of the respiratory tract.
Fire Hazard
May burn but will not ignite readily. When heated to decomposition, may emit toxic fumes of selenium and sodium oxide. Stable in air.
Safety Profile
Poison by ingestion, intraperitoneal, intravenous, subcutaneous, intracervical, parenteral, and intramuscular routes. Experimental teratogenic and reproductive effects. Questionable carcinogen. Human mutation data reported. When heated to decomposition it emits toxic fumes of Se and Na2O. See also SELENIUM COMPOUNDS.
Potential Exposure
Sodium selenite is used in glass manufacturing and as an alkaloidal reagent; for removing green color from glass during its manufacture; alkaloidal reagent; reagent in bacteriology; testing germination of seeds; decorating porcelain; as a livestock feed additive.
Shipping
UN2630 Selenates or Selenites, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
Purification Methods
Crystallise sodium selenite from a saturated aqueous solution where its solubility is 68% at 20o to give the pentahydrate salt. This yields the anhydrous salt on heating at 40o. [Fehér in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 431 1963].
Incompatibilities
The aqueous solution is a medium strong base. Reacts with water, strong acids; hot surfaces; causing decomposition and a toxic hazard.
Waste Disposal
Liquid or solid: make a strongly acidic solution using hydrochloric acid. Slowly add sodium sulfite to the cold solution. Stir mixture producing sulfur dioxide. Heat, forming dark-gray selenium and black tellurium. Let stand overnight. Filter and dry. Ship to supplier.
Sodium selenite Preparation Products And Raw materials
Raw materials
Preparation Products
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