di-Sodium Hydrogen Phosphate 12-hydrate for analysis, ISO 1000 g
PRODUCT CODE: 131678
di-Sodium Hydrogen Phosphate 12-hydrate for analysis, ISO
HNa2O4P.12H2O
Na2HPO4.12H2O
M.= 358,14 CAS [10039-32-4] EINECS 231-448-7
TARIC 2835 22 00 00
SYNONYMS: Disodium Phosphate, Sodium Phosphate , secondary, Sodium Phosphate di-Basic•
PHYSICAL DATA: crystals, White, Soluble in water 218 g/l at 20 °C D 1,52 • M.P.: 34 °C • pH(5% solution)9,0 - 9,4 •
BIBLIOGRAPHY: Merck Index 12, 8.805 13, 8.733 Römp 8 , 2743 • ISO 6353/2-1983R - 33 , 47 • BP. 2014 •USP 37 • Ph. Eur. 7.0 (2013) 8.0 (2014) • BOE 243(8-10-2009) • Regulation (EU) nº 231/2012 •
HAZARDOUS: LD50 ipr mus 430 mg/kg
OBSERVATIONS: Not recommended in areas with a very hot climate
SPECIFICATIONS:
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Assay (Acidim.)
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99-102 %
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pH of 5% solution
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9-9,4
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MAXIMUM LIMIT OF IMPURITIES
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Insoluble matter in H2O
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0,005 %
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Chloride (Cl)
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0,0005%
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Nitrogen compounds (as N)
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0,001%
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Sulphate (SO4)
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0,005%
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Mono or tri-Base salt
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Passes test
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Heavy metals (as Pb)
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0,0005%
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As
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0,00005 %
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Ca
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0,001 %
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Cd
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0,0005 %
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Co
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0,0005 %
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Cr
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0,0005 %
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Cu
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0,0005 %
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Fe
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0,0005 %
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K
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0,01 %
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Mg
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0,001 %
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Mn
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0,0005 %
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Ni
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0,0005 %
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Pb
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0,0005 %
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Zn
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0,0005 %
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