Note: Ingredients listed on restricted chemical lists
General Information
Version
8
Revision date
2026-07-07
Product name
Sodium selenite
Product Synonyms
Disodium Selenite; Selenious Acid sodium salt
CAS No.
10102-18-8
supplier name
Fisher Scientific UK
Emergency telephone
(800) 424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific UK
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H300+H330, H315, H317, H319, H410
Hazard statements
Code
Statements
H300+H330
Fatal if swallowed or if inhaled
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Beige Odorless Emergency Overview Contact with acids liberates toxic gas. Moisture sensitive. May cause an allergic skin reaction. Toxic to aquatic life. Fatal if swallowed. Causes skin irritation. Causes serious eye irritation. Fatal if inhaled. Very toxic to aquatic life with long lasting effects. Classification of the substance or mixture Acute Oral Toxicity Category 2 Acute Inhalation Toxicity - Dusts and Mists Category 2 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Skin Sensitization Category 1 Acute aquatic toxicity Category 2 Category 1 Chronic aquatic toxicity Category 1 Label Elements
Signal word
Danger Hazard Statements H300 + H330 - Fatal if swallowed or if inhaled H317 - May cause an allergic skin reaction H315 - Causes skin irritation H319 - Causes serious eye irritation H410 - Very toxic to aquatic life with long lasting effects
Prevention
P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves/protective clothing/eye protection/face protection P284 - Wear respiratory protection
Response
P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310 - Immediately call a POISON CENTER or doctor P330 - Rinse mouth P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P405 - Store locked up
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Contact with acids liberates toxic gas.
Health hazards
May cause an allergic skin reaction. Very toxic if swallowed. Causes skin irritation. Causes serious eye irritation. Fatal if inhaled.
Environmental hazards
Toxic to aquatic life. Very toxic to aquatic life with long lasting effects. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems.
2.3 Other hazards
Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Acute Oral Toxicity Category 2 Acute Inhalation Toxicity - Dusts and Mists Category 2 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Skin Sensitization Category 1 Acute aquatic toxicity Category 2 Category 1 Chronic aquatic toxicity