Selenium Metalloid Granules ( Selenium ) Se >99,9% - 250g

Selenium - 250 g 
Other Names: Selenium (elemental), Selenium powder, Selenium metal

CAS Number: 7782-49-2
Sum Formula: Se
Molar Mass: 78.971 g/mol
Appearance: Gray metallic solid, which may also appear in a reddish powder form.

Selenium is a trace element found in small amounts in the Earth’s crust. It is an essential micronutrient for human health but can be toxic in large amounts. Selenium compounds are widely used in electronics, glass manufacturing, and as a supplement in agriculture.

Applications
Electronics Industry: Selenium is used in photocells, solar cells, and rectifiers.
Glass Manufacturing: It is used to decolorize glass and improve the glass' durability.
Agriculture: Selenium compounds are used as animal feed additives to ensure adequate selenium intake.
Health: Selenium is an essential nutrient in small amounts, contributing to antioxidant activity and supporting immune function.

Safety
Signal Word: Danger

Hazard Statements:
H301+H331: Toxic if swallowed or if inhaled.
H373: May cause damage to organs through prolonged or repeated exposure.
H413: May cause long-lasting harmful effects to aquatic life.

Precautionary Statements:
P101: If medical advice is needed, have the product container or label at hand.
P102: Keep out of reach of children.
P264: Wash thoroughly after handling.
P301+P310: IF SWALLOWED: Immediately contact a doctor.
P405: Store locked up.
P501: Dispose of contents/container to an authorized waste disposal point or return to the supplier.

First Aid Measures
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Skin Contact: Remove contaminated clothing. Wash skin with water for 10-30 minutes. Avoid using soap or brushes. Seek medical attention if irritation persists.
Inhalation: Move the person to fresh air immediately. Ensure proper ventilation. If breathing stops or is difficult, administer artificial respiration. Seek medical assistance immediately.
Ingestion: Call for medical attention immediately. If the person is conscious and able to swallow, induce vomiting. In case of uncertainty, contact a Poison Control Center for advice. Activated charcoal may be administered within 5 minutes of ingestion.