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langfang tianke biotechnology
professional production base of general chemical reagent and pharmaceutical accessories
hotline: 86-15076659665
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sodium bisulfite

molecular formula: nahso3
molecular weight: 104.06
cas no: 7631-90-5
properties: white crystalline powder with sulfur dioxide odor. soluble in water. it is gradually oxidized to sodium sulfate in the air.
uses: as analytical reagent, reducing agent, bleaching agent, bacterial inhibitor, and etc.
standard: maximum assay of impurities is in %

item

analytically pure-ar

chemically pure-cp

assay (so2)
clarity test
water insoluble matter
chloride (cl)
arsenic (as)
iron (fe)
heavy metal (pb)

58.5—65.0
qualified
≤0.005
≤0.01
≤0.0001
≤0.001
≤0.001

  58.5—65.0
qualified
≤0.01
≤0.02
≤0.0002
≤0.002
≤0.002

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

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langfang tianke biotechnology co., ltd.
add: sanghang industrial park, dacheng county,
hebei, china
tel: 86-15076659665 manager ma
fax: 86-316-5569332 
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