Sodium Sulfide Nonahydrate Cas No

The chemical compound sodium sulfide nonahydrate (CAS number 1313-84-4) is a white, crystalline solid with the formula Na2S·9H2O. It is a hydrate of sodium sulfide and contains nine water molecules per unit of sodium sulfide.

The compound is soluble in water and its aqueous solution is highly alkaline. It reacts with acids to produce hydrogen sulfide gas, which has a characteristic rotten egg odor. Sodium sulfide nonahydrate is commonly used in the production of dyes, leather, and paper.

In terms of safety, sodium sulfide nonahydrate is corrosive and can cause severe skin and eye irritation. It should be handled with care, using appropriate protective equipment such as gloves and goggles. It is also important to avoid inhalation or ingestion of the compound. Proper storage and disposal procedures should be followed to prevent environmental contamination.