Selenium(IV) oxide

Fisher Scientific UK

Revision date : 2025-02-26

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GHS06 GHS08 GHS05 GHS09
Health risk rating 5
Safety risk rating 1
Environmental risk rating 5

Note: Ingredients listed on restricted chemical lists

EC/CAS

7446-08-4

Name of the chemical

Selenium dioxide

Concentration

>95

Listed in

General Information

Version

5

Revision date

2025-02-26

Product name

Selenium(IV) oxide

Product Synonyms

Selenium dioxide

CAS No.

7446-08-4

supplier name

Fisher Scientific UK

Emergency telephone

001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887

Icons in SDS

GHS05 GHS06 GHS08 GHS09

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)

H301, H314, H330, H370, H372, H410

Hazard statements

Code

Statements

H301

Toxic if swallowed

Section 2

SECTION 2: Hazards identification

Physical State

Appearance/Odor

Powder Solid Light cream No information available Emergency Overview Causes damage to organs. Causes damage to organs through prolonged or repeated exposure. Harmful to aquatic life. Very toxic to aquatic life with long lasting effects. Toxic if swallowed. Causes severe skin burns and eye damage. Fatal if inhaled. Hygroscopic.

2.1 Classification of the substance or mixture

Acute Oral Toxicity Category 3 Acute Inhalation Toxicity - Dusts and Mists Category 2 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Specific target organ toxicity - (single exposure) Category 1 Specific target organ toxicity - (repeated exposure) Category 1 Acute aquatic toxicity Category 1 Category 3 Chronic aquatic toxicity Category 1

Signal word

Danger

Hazard statements

H370 - Causes damage to organs H372 - Causes damage to organs through prolonged or repeated exposure H410 - Very toxic to aquatic life with long lasting effects H301 - Toxic if swallowed H314 - Causes severe skin burns and eye damage H330 - Fatal if inhaled

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 P280 - Wear protective gloves/protective clothing/eye protection/face protection P284 - Wear respiratory protection

Response

P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower 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 P331 - Do NOT induce vomiting P363 - Wash contaminated clothing 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

Hygroscopic.

Health hazards

Causes damage to organs. Causes damage to organs through prolonged or repeated exposure. Toxic if swallowed. Corrosive. Causes skin and eye burns. Fatal if inhaled.

Environmental hazards

Harmful 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.

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