Na2O3Se
172.95 g/mol
Industrial ChemicalDanger
SODIUM SELENITE
CAS10102-18-8EC233-267-9
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Glass manufacturing and ceramic coloring
Sodium selenite is an inorganic chemical compound primarily used as a colorant in glass manufacturing, where it helps remove the green tint caused by iron impurities. It also serves as an alkaloidal reagent in bacteriology and as a reagent for testing seed germination.
Colorant in glass productionRemoving green color from glassAlkaloidal reagent in bacteriology
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Zinc selenite
CAS13597-46-1
research compound
StrongSame Parent
Barium selenite
CAS13718-59-7
selenium source in industrial applications
StrongSame Parent
Sodium selenite pentahydrate
CAS26970-82-1
Nutraceutical and dietary supplement
ReferenceSame Category
Lithium sulfate monohydrate
CAS10102-25-7
Lithium salt for battery materials
ReferenceSame Category
Sodium molybdate dihydrate
CAS10102-40-6
Corrosion inhibitor and micronutrient
ReferenceSame Category
Nitric oxide
CAS10102-43-9
Manufacture of nitric acid
ReferenceSame Category
Nitrogen dioxide
CAS10102-44-0
Industrial oxidizing agent and reagent
Referencestereoisomer of
Selenious acid
CAS7783-00-8
research compound
Safety Reference
Danger
H300Fatal if swallowed
H317May cause an allergic skin reaction
H331Toxic if inhaled
H411Toxic to aquatic life with long lasting effects
H330Fatal if inhaled
H315Causes skin irritation
H319Causes serious eye irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H341Suspected of causing genetic defects
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H401Toxic to aquatic life
H371May cause damage to organs
H373May cause damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for SODIUM SELENITE (CAS 10102-18-8) is 2842.90.
HS code (international, 6-digit)
2842.90
EU CN code (8-digit)
2842 90 10
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
disodium;selenite
InChIKey
BVTBRVFYZUCAKH-UHFFFAOYSA-L
SMILES
[O-][Se](=O)[O-].[Na+].[Na+]
Synonyms (24)
- Aselend (TN)
- Biselenite, Sodium
- Disodium selenite
- Disodium selenium trioxide
- Natriumselenit
- Natriumselenit [German]
- Pentahydrate, Sodium Selenite
- Pleo selene
- SODIUM SELENITE
- SODIUM SELENITE (SELENIUM-75)
- SODIUM SELENITE SE-75
- Selenious acid, disodium salt
- Selenite pentahydrate, Sodium
- Selenite sodium
- Selenite, Disodium
- Selenite, Monosodium
- Selenous Acid Disodium Salt
- Sodium selenite (JAN)
- Sodium selenite anhydrous
- dinatriumselenit
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