sodium sulfuld

详情

Sodium sulfide [ Molecular Formula ] : Na2S [EINECS] : ********5 [Cas No]. ********2 [Molecular Weight]: *8.*3 [Appearance]: Yellow flake or Red flake [HS code]:***2.*0 [Toxicity]:Oral Rat LD*0: **8 mg/kg [Specific Gravity]:1.*6 [Solubility in water]: Soluble (slightly soluble in alcohol) [PH]: Alkaline [Stability]: Stable under ordinary conditions. Oxidizes in air. [ Use ] : Dyeing Acrylic, Paper, Moisquito Coils, Leather, Silk, and can be used to for Paint and drawing. [General Applications]:Sodium Sulfide is a yellow to red solid;soluble in water, slightly soluble in ***** is a strong reducing agent and reacts with oxidants. It is primaily used in pulp and paper industry;It is used in water treadment as an oxygen scavenger agent, in the photographic industry to protect developer solutions from oxidation, in textile industry as a bleaching as a desulfurizing and as a dechlorinating agent and in leather trade for the sulfitization of tanning extracts. It is used in chemical manufacturing as a sulfonation and sulfomethylation ***** is used in the production of rubber chemicals, sulfur dyes and other chemical ***** used in other applications include ore flotation, oil recovery, food preservative, making dyes and detergent. [Packages]*5kgsBags Two grade: Grade 1 Apperance red flakes Na2S *0% min Na2CO3 2.0% max Fe **0ppm max Water Insolubles 0.5% max Grade 2 Apperance yellow flakes Na2S *0% min Na2CO3 2.0% max Na2S2O3 2.*5 max Fe *0ppm max