Sodium Fluoride

Post Date:
Jun 05,2018
Expiry Date:
Dec 02,2018
Detailed Description:
Cas No. :7681-49-4 Quantity: 100
Specs:98%,98.5%
Sodium Fluoride
Formula: NaF
CAS NO.:7681-49-4
M.W.: 41.99
Properties: It is a white powder or crystal. Its relative density is 2.558, m.p. 993°Cand b.p. 1704°C. It is insoluble in ethanol and has toxic. Its aqueous solution will etch glass.
Specification:(%)

Toothpaste-grade High-grade First-grade
NaF 98.5 min. 98.0 min. 98.0 min
Water-insoluble matter 0.1 max 0.5 max 0.7 max
Free acid (HF) 0.1 max 0.2max 0.2 max
Free base (Na2CO3) 0.1 max 0.2max 0.5 max
Sulfate (SO4) 0.2 max 0.3 max 0.3 max
Silicate (SiO2) 0.5 max 0.4 max 0.5 max
H2O 0.5 max 0.5max 0.5 max
Heavy metal (Pb) 0.005max
Fe 0.005max
As 0.0005max
Application: It is used in welding flux, toothpaste additive, preservative, bactericide, slagging medium of metallurgy, adhesive, papermaking and construction industry.
Storage: Store in seal Hermetically.
Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.
CAS Registry Number:
7681-49-4
Synonyms:
;Fluoride ion chromatography standard solution Fluka;Sodiumfluoridemetalsbasiswhitepowder;Sodiumfluorideopticalgradewhitextl;Sodium fluoride solution;Activity standard solution for fluoride electrode (100 ppm as fluoride);Natriumfluorid;
Molecular Formula:
NaF
Molecular Weight:
41.99
Molecular Structure:
Hazard Symbols:
T:Toxic;
Risk Codes:
R25:;
R32:;
R36/38:;
Safety Description:
S22:;
S36:;
S45:;

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