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di-Ammonium oxalate monohydrate for analysis EMSURE?

di-Ammonium oxalate monohydrate for analysis EMSURE?

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di-Ammonium oxalate monohydrate

Product Information

CAS number 6009-70-7
EC index number 607-007-00-3
EC number 214-202-3
Grade ACS,ISO,Reag. Ph Eur
Hill Formula C?H?N?O? * H?O
Chemical formula (NH?)?C?O? * H?O
Molar Mass 142.11?g/mol
HS Code 2917 11 00
Structure formula Image Structure formula Image
Quality Level MQ300

Physicochemical Information

Density 1.5?g/cm3 (20??C)
Melting Point 133??C?(decomposition)
pH value 6.5 (41.8?g/l, H?O, 20??C)
Bulk density 480?kg/m3
Solubility 41.8?g/l?(anhydrous substance)

Safety Information according to GHS

Assay (manganometric) 99.5 – 101.0?%
Insoluble matter ??0.005?%
Chloride (Cl) ??0.0005?%
Nitrate (NO?) ??0.002?%
Sulfate (SO?) ??0.002?%
Heavy metals (as Pb) ??0.0005?%
Ca (Calcium) ??0.001?%
Fe (Iron) ??0.0002?%
K (Potassium) ??0.001?%
Mg (Magnesium) ??0.001?%
Na (Sodium) ??0.001?%
Residue on ignition (as sulfate) ??0.02?%
Corresponds to ACS,ISO,Reag. Ph Eur

Specifications

Purity (GC) ??99.8?%
Identity (IR) conforms
Evaporation residue ??2.0?mg/l
Water ??0.05?%
Acidity ??0.0002?meq/g
Alkalinity ??0.0002?meq/g
Transmission (at 260?nm) ??50?%
Transmission (at 265?nm) ??80?%
Transmission (from 270?nm) ??98?%
Filtered by 0.2 ?m filter