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Sodium polysulfide
Sodium polysulfide
- CAS No.1344-08-7
- Chemical Name:Sodium polysulfide
- CBNumber:CB6895521
- Molecular Formula:H2NaS+
- Formula Weight:57.07065
- MOL File:1344-08-7.mol
Sodium polysulfide Property
- Melting point 400 °C
- Density 1.203[at 20℃]
- vapor pressure 0Pa at 20℃
- Viscosity 2.16mm2/s
- Water Solubility 1g/L at 20℃
- Indirect Additives used in Food Contact Substances SODIUM POLYSULFIDE
- FDA 21 CFR 177.1650; 177.2600
- EWG's Food Scores 1
- EPA Substance Registry System Disodium polysulfide (1344-08-7)
Safety
- Hazard Codes :T,N
- Risk Statements :25-31-34-50
- Safety Statements :26-36/37/39-45-61
- RIDADR :3200
- HazardClass :4.2
- PackingGroup :I
-
Symbol(GHS)
- Signal wordDanger
- Hazard statements H301-H314-H400
- Precautionary statements P264-P270-P301+P310-P321-P330-P405-P501-P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501-P273-P391-P501
Sodium polysulfide Chemical Properties,Usage,Production
- Chemical Properties Sodium polysulphides have the general formula Na2Sx where x can be 2-6. All of these compounds have been prepared in the solid state, in which they are well defined.
- Chemical Properties Yellow-brown, granular, free-flowing polymer.Combustible.
- Uses The sodium polysulphide solutions used for the preparation of polysulphide elastomers generally have a rank of appro'ximately 2; for elastomers with a high sulphur content which have especially good solvent resistance, a rank of about 4 is used. In general, the rank of a polymer is close to that of the sodium polysulphide solution from which it is formed.
- Uses Manufacture of sulfur dyes and colors, insec- ticides, oil-resistant synthetic rubber (“Thiokol” [Toray]), petroleum additives, electroplating.
-
Preparation
Sodium polysulphide solutions are most commonly prepared by treating
sulphur with aqueous sodium hydroxide:
- Flammability and Explosibility Non flammable
Sodium polysulfide Preparation Products And Raw materials
Raw materials
Preparation Products
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1344-08-7, Sodium polysulfideRelated Search:
- Sodium p-toluenesulfonate Sodium L-aspartate Sodium sulfide Sodium hydrosulfide Sodium sulfate Sodium chloride Diclofenac sodium Sodium benzoate Sodium bicarbonate Sodium hydroxide Sodium chlorite Sodium acetate Sodium citrate Sodium 5-hydroxynaphthalene-1-sulphonate SODIUM 3,4-DIFLUOROBENZOATE sodium Sodium polysulfide
- Inorganic Chemicals
- 其他中间体
- 化工原料
- 其他原料
- 精细化工
- 无机化学品
- H2NaS
- NaH2S
- Na2Sx
- 多硫化钠
- 1344-08-7
- sodium polysulfide Na2(S)x
- Sodium polysulfide
- sodium polysulphides
- sodium polysulphide
- Sodium sulfide (Na2(Sx))