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langfang tianke biotechnology
professional production base of general chemical reagent and pharmaceutical accessories
hotline: 86-15076659665
products
products
ammonium dihydrogen phosphate

molecular formula: nh4h2po4
molecular weight: 115.02
properties: colorless odorless crystal or white crystalline powder. relative density is 1.803, melting point is 190℃. soluble in water and insoluble in ethyl alcohol.
uses: in preparing fermentation auxiliary. as leavening agent in food industry.
standard:

specifications/item

ar

cp

food grade

industrial high purity

assay (nh4h2po4) /%

≥99.0

≥98.5

97.0~102.0

nitrogen (n) assay
11.8

ph value (50g/l,25℃)

4.0~4.5

4.0~4.5

4.0~4.5

4.0~4.5

clarity test

qualified

qualified

water insoluble matter/%

≤0.005

≤0.01

chloride(cl) /%

≤0.000 5

≤0.001

≤0.03

sulfur compound(so4) /%

≤0.005

≤0.01

nitrate(no3) /%

≤0.001

≤0.002

sodium (na) /%

≤0.005

≤0.01

potassium (k) /%

≤0.005

≤0.01

iron (fe) /%

≤0.001

≤0.003

arsenic (as) /%

≤0.000 5

≤0.002

≤0.000 4

heavy metal (pb) /%

≤0.000 5

≤0.001

≤0.002

phosphorus pentoxide (p2o5) /%

≥46.0

moisture/%

≤0.2

packing: plastic woven bag lined with plastic bag, kraft bag, carton 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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