AMMONIUM SULFIDE SOLUTION 20% - pure 10 ml WARCHEM

Technical information on 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: fully miscible with water
• Odor: sharp smell of hydrogen sulfide (H₂S)

Examples of professional applications in various sectors:

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

Hazard statements on the product label:

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

Safety instructions on the product label:

P260 : Do not breathe vapors.
P280 : Wear protective gloves/protective clothing/eye protection/face protection.
P303 + P361 + P353 : IF ON SKIN (or hair): Immediately remove 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 individuals.

Recommended storage conditions:

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