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Sodium Chloride 99.5% AR Grade Reagent

Cas Number:7647-14-5
Formula: NaCl
Molar Mass:58.44
EC Number:231-598-3

Quantity:
  • AR
  • LABOR
  • 223102129

Sodium Chloride 99.5% AR Grade Reagent


Cas Number:7647-14-5

Formula: NaCl

Molar Mass:58.44

EC Number:231-598-3


Physicochemical properties:

White cubic crystal or crystalline powder. At 25 ° C, 1 g is dissolved in 2.8 ml of water, 2.6 ml of boiling water, 10 ml of glycerol, and very slightly soluble in ethanol. The solubility in water is reduced by the presence of hydrochloric acid and is hardly soluble in concentrated hydrochloric acid. The aqueous solution is neutral and  with a pH of 6.7 to 7.3. The relative density is 2.17.The melting point is 804 ° C. The boiling point is 1413 ° C. The median lethal dose (rat, oral) was 3.75 ± 0.43 g / kg.


Usage:

A benchmark for the determination of silver nitrate. Determination of fluorine and silicates in trace amounts. High purity analysis. Routine blood test. Liver function test. Making bacterial serological medium. Cooling mixture. Food preservation.

Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.5 min

pH(50g/L,25℃)

5.0~8.0

Transparency of solution

to pass test

Insoluble in water,%

0.005 max

Loss on drying,%

0.5 max

Iodide(I),%

0.002 max

Bromide(Br),%

0.01 max

Sulfate(SO4),%

0.002 max

Nitrogen compounds(N),%

0.001 max

Phosphate(PO4),%

0.001 max

Arsenic(As),%

0.00005 max

Magnesium(Mg),%

0.002 max

Potassium(K),%

0.02 max

Calcium(Ca),%

0.005 max

Ferrocyanide (Fe(CN)6 ),%

0.0001 max

Iron(Fe) ,%

0.0002 max

Barium(Ba),%

0.001 max                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                

Heavy metals(as Pb),%

0.0005 max


Not a hazardous substance or mixture.


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