Selenium Dioxide

TOKYO CHEMICAL INDUSTRY CO., LTD

Revision date : 2025-02-13

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GHS05 GHS06 GHS08 GHS09
Health risk rating 4
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

>= 98 - <= 100

Listed in

General Information

Version

1.0

Revision date

2025-02-13

Product name

Selenium Dioxide

CAS No.

7446-08-4

Emergency telephone

+81-3-5640-8878, +81-3-5640-8902

Icons in SDS

GHS05 GHS06 GHS08 GHS09

Company Information

company name

TOKYO CHEMICAL INDUSTRY CO., LTD

e-mail address of the competent person responsible for the Safety Data Sheet

globalbusiness@tcichemicals.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H314, H319, H373, H410

Hazard statements

Code

Statements

H314

Causes severe skin burns and eye damage

Section 2

SECTION 2: Hazards identification

GHS Classification GHS Classification Acute toxicity (Oral) Category 3 Acute toxicity (Inhalation) : Category 3 Skin corrosion/irritation : Category 1 Serious eye damage/eye irritation : Category 2A Specific target organ toxicity - single exposure : Category 1 (Central nervous system, Respiratory system, Heart, Blood, Kidney) Specific target organ toxicity - repeated exposure : Category 1 (Nervous system, Respiratory system) Specific target organ toxicity - repeated exposure : Category 2 (Liver) Short-term (acute) aquatic hazard : Category 1 Long-term (chronic) aquatic hazard : Category 1

Signal word

Danger

Hazard statements

Toxic if swallowed or if inhaled. Causes severe skin burns and eye damage. Causes serious eye irritation. Causes damage to organs (Central nervous system, Respiratory system, Heart, Blood, Kidney). Causes damage to organs (Nervous system, Respiratory system) through pro- longed or repeated exposure. May cause damage to organs (Liver) through prolonged or repeated exposure. Very toxic to aquatic life with long lasting effects.

Prevention

Do not breathe dust/ fume/ gas/ mist/ vapors/ spray. Wash skin thoroughly after handling. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Avoid release to the environment. Wear protective gloves/ protective clothing/ eye protection/ face protection.

Response

IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower. IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Call a POISON CENTER/ doctor. If eye irritation persists: Get medical advice/ attention. Wash contaminated clothing before reuse. Collect spillage.

Storage

Store in a well-ventilated place. Keep container tightly closed. Store locked up.

Disposal

Dispose of contents/ container to an approved waste disposal plant.

Other hazards which do not result in classification

No data available

2.1 Classification of the substance or mixture

Acute toxicity (Oral) : Category 3 Acute toxicity (Inhalation) : Category 3 Skin corrosion/irritation : Category 1 Serious eye damage/eye irritation : Category 2A Specific target organ toxicity - single exposure : Category 1 (Central nervous system, Respiratory system, Heart, Blood, Kidney) Specific target organ toxicity - repeated exposure : Category 1 (Nervous system, Respiratory system) Specific target organ toxicity - repeated exposure : Category 2 (Liver) Short-term (acute) aquatic hazard : Category 1 Long-term (chronic) aquatic hazard

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