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Description: Sodium Dihydrogen Citrate/ Monosodium Citrate Anhydrous
M.F:W.F:214.11
I
tem
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E331
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QB
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As Plastic foaming agent
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Characters
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white powder
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white powder
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white powder (its can be pass through 100 meshes )
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Solubility
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free soluble in water;practically insoluble in ethanol.
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Identification
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A. It gives the reaction of citrates
B. It gives the reaction of sodium |
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Assay
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99.0%-101.0%
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99.0%-101.0%
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NMT 99%
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PH
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3.4-3.8
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3.4-3.8
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3.4-3.8
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Oxalate
ppm
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≤
100
|
≤
100
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/
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Chloride ppm
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≤
50
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/
|
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Sulfate ppm
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≤
150
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/
|
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Heavy metals ppm
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≤
5
|
/
|
/
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Aresenic ppm
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≤
1
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/
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/
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loss on drying
|
NMT 0.4% ( 105℃, 4 h)
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NMT 0.4%
( 105℃, 4 h)
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NMT0.1%( 105℃, 4 h)
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Gas
release (ml/g)
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≤
1
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/
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NLT100
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Storage
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preserve in well-closed containers.
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