Sodium Fluoride powder CAS No.: 7681- 49-4 NaF for Welding flux

Sodium Fluoride powder CAS No.: 7681- 49-4 NaF for Welding flux

Sodium Fluoride

NaF2

CAS No. 7681- 49-4

sodium fluoride naf

naf sodium fluoride

fluoride sodium cas

sodium fluoride powder

Dentalfluoro

Duraphat

Villaumite

Sodium fluoride: colorless shiny crystal or white powder, with a specific gravity of 2.25, a melting point of 993 ℃, and a boiling point of 1695 ℃. Soluble in water (solubility 10 ° C 3.66, 20 ° C 4.06, 30 ° C 4.22, 40 ° C 4.4, 60 ° C 4.68, 80 ° C 4.89, 100 ° C5.08), hydrofluoric acid, slightly soluble in alcohol. The aqueous solution is weakly alkaline and dissolves in hydrofluoric acid to form sodium hydrogen fluoride, which can corrode glass. Toxic!

Sodium fluoride

Chemical formula: NaF

CAS login number: 7681-49-4

Appearance: Colorless shiny crystals or white powder

Melting point: 993 ℃

Molecular weight: 41.99

Boiling point: 1695 ℃

Density: 1.125g/cm ³

EINECS login number: 231-667-8

Water solubility: easily soluble

Storage: Sealed and stored.

Usage: Steel analysis. Photovoltaic colorimetric method for determining phosphorus. Dropwise analysis for the determination of scandium. Blood tests. Masking agent. Flux.

Safety measures: Seal the packaging and store it in a dry and ventilated place

Accidental ingestion: Drinking warm water, inducing vomiting and gastric lavage

Fire extinguishing: Use a large amount of water to extinguish the fire.

Main use: As a phosphating promoter in the painting industry, it stabilizes the phosphating solution, refines the phosphating process, and improves the performance of the phosphating film. The sealing of Al3+, which has a highly harmful negative catalytic effect, in the phosphating of aluminum and its alloys enables the smooth progress of phosphating. This includes wood preservatives, agricultural insecticides, brewing industry fungicides, pharmaceutical preservatives, welding fluxes, alkaline zinc salt zinc plating additives, enamel, paper making industry, etc.