AMMONIUM SULFIDE solution 20% - pure 10 ml WARCHEM

Technical information about chemical reagents:

• Chemical formula: (NH₄)₂S
• CAS number: 12135-76-1
• EC number: 235-223-4
• Synonyms: Ammonium sulfide solution
• Type: Salts
• Purity: 20% (pure, aqueous solution)
• Appearance: clear liquid
• Molar mass: 68.14 g/mol
• Density: approx. 1.000 g/ml
• Packaging: brown glass bottle
• Shelf life: at least 6 months from delivery
• Solubility: completely miscible with water
• Odor: pungent smell of hydrogen sulfide (H₂S)

Examples of professional applications in various industries:

• Analytical chemistry: Used as a precipitation reagent for metal salts in qualitative analysis (detection of heavy metal cations).
• Research and development: Used in the synthesis of sulfur compounds and in laboratory studies of redox systems.
• Teaching and training: Applied in chemical demonstration experiments under controlled conditions.

Hazard statements on the product label:

H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H400: Very toxic to aquatic life.

Safety instructions on the product label:

P260: Do not breathe vapour.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P303 + P361 + P353: IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse skin with water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
P501: Dispose of contents/container in accordance with local/regional regulations.

Restrictions: Intended exclusively for professional use with appropriate safety measures. Not suitable for private users.

Recommended storage conditions:

1. Store in well-sealed brown glass bottles, in a cool and well-ventilated place.
2. Keep away from light, heat sources, and ignition sources.
3. Avoid contact with acids (risk of release of toxic hydrogen sulfide).
4. Use only under a fume hood or in closed systems.