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2-Phosphonobutane-1,2,4-tricarboxylic acid sodium salt PBTCNA4 40372-66-5
Product Name
|
2-Phosphonobutane -1,2,4-Tricarboxylic Acid, Sodium salt (PBTCA·Na4)
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CAS No.
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40372-66-5
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Appearance
|
white powder
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Assay
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≥99.0%
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Application
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Organic intermediate
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Project
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Indicator
|
|
Appearance
|
Colorless to pale yellow transparent liquid
|
White crystal powder
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Active ingredient (in PBTCA) /%
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≥30.0
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≥64.0
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Active component (based on PBTC·Na4) /%
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≥40.0
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≥85.0
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Total phosphorus content (PO43-)/%
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≥10.5
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≥22.5
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pH (1% aqueous solution)
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9.0~12.0
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4.0~6.0
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Density (20 ° C) / g · cm -3
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≥1.35
|
--
|
Fe content (in terms of Fe) /mg·L-1
|
--
|
≤20.0
|
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