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Sodium fluoride

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  Post Date: May 22,2017
  Expiry Date: Nov 18,2017
  Detailed Description: Cas No. :7681-49-4

Molecular formula: NaF
Molecular weight: 41.99

Property: Whiter off-white powder hardly soluble in water and slightly soluble in alcohol. The PH value of its aqueous solution is a little over 7. It is soluble in hydrofluoric acid.

Use: Pesticides, corrosion protection for woods, metal fluxing agent, applied to enamel industry and medical industry, it can lower the melting point and improve the weld ripples in the process of cast moulding steel for planer tool; used as the antiseptics for fermentation, as the raw material for making fluorides and cockroach-killer, analytical reagent, etc..

Quality standard: Enterprise standard and USP24
Index name Grade of water-solubility USP24 Note
Content of sodium fluoride (NaF)%,≥ 99.0 98.0-102.0 1, expresses there is no standard for this item;
2,these ingredients are calculated on dry base;
3,sodium fluoride is white powder;
4,Lumps whose diameter is over 4mm are acceptable, but their weight cannot account for more than 5%.
Insoluble substance in water%,≤ 0.2 --
Sulfate(SO4)%,≤ 0.3 0.3
Fluosilicate(base on SiF6)%,≤ 0.5 0.5
Sodium carbonate(Na2CO3)%,≤ 0.5 0.265
Acidity(HF)%,≤ 0.2 0.2
Water content(H2O)%, ≤ 3.0-5.0 ---
Drying loss%,≤ -- 1.0
Heavy metal(Pb)%, ≤ -- 0.003
Chloride(Cl)%,≤ -- 0.012
Highly volatile organic impurities -- Qualified
Casing: Plastic woven bag lined with high pressure vinyon bag, NW:50 kg.

  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: 7681-49-4 Sodium fluoride
  Hazard Symbols:  T:Toxic;
  Risk Codes: R25:;
R32:;
R36/38:;
  Safety Description: S22:;
S36:;
S45:;

  Company: Shouguang Jinyu Chemical Co., Ltd.     [ China ]          
  Contact: Manager Liu
  Tel: +86-536-5258520 5209955 520592
  Fax: +86-536-5676556
  Email: chinalukeone@yeah.net
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