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hotline: 86-15076659665
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sodium chloride

molecular formula: nacl
molecular weight: 58.44
cas no: 7647-14-5
properties: white crystal or crystalline powder. relative density is 2.165, melting point is 801℃, boiling point is 1413℃. soluble in water and glycerin, slightly soluble in ethyl alcohol and liquid ammonia.
uses: as analytical reagent. it can be used in pharmaceutical, biological medium and other fields.
standard: maximum assay of impurities is in %

specification/item

analytically pure-ar

chemically pure-cp

assay(nacl) /%

≥99.5

≥99.5

water solution reaction

qualified

qualified

clarity test

qualified

qualified

water insoluble matter

≤0.005

≤0.02

drying loss

≤0.5

≤0.5

iodide (i)

≤0.002

≤0.012

bromide(br)

≤0.01

≤0.05

sulfate (so4)

≤0.002

≤0.005

nitrogen compounds (n)

≤0.001

≤0.003

phosphate (po4)

≤0.001

magnesium (mg)

≤0.002

≤0.005

potassium (k)

≤0.02

≤0.04

calcium (ca)

≤0.005

≤0.01

ferrocyanide [fe(cn)6]

≤0.0001

iron (fe)

≤0.0002

≤0.0005

arsenic (as)

≤0.00005

≤0.0001

barium (ba)

≤0.001

≤0.001

heavy metal (pb)

≤0.0005

≤0.001

packing: woven bag lined with plastic bag, kraft paper bag, or fiber drum, net weight is 25kg.

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hebei, china
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