Sodium Citrate Dihydrate Cryst. Emprove

ürün Kodu : 106432.5000

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106432.5000

tri-Sodium citrate dihydrate cryst. emprove

Ürün bilgisi
Grade Ph Eur,BP,JP,USP,E 331
Hill Formula C6H5Na3O7 * 2 H2O
HS Code 2918 15 00
EC number 200-675-3
Molar mass 294.10 g/mol
CAS number 6132-04-3
Kimyasal ve fiziksel veri
Solubility 425 g/l (25 °C)
Melting point 150 °C (anhydrous substance)
Molar mass 294.10 g/mol
Density 1.76 g/cm3
Bulk density 900 - 1100 kg/m3
pH value 7.5 - 9.5 (50 g/l, H2O, 20 °C)
Güvenlik bilgisi
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Nakliye bilgisi
Declaration (railroad and road) ADR, RID Kein Gefahrgut
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR No Dangerous Good
Toksikolojik veri
LD 50 oral LD50 rat > 8000 mg/kg
Spesifikasyonlar
Assay
- Perchloric acid titration, calc. on anhydrous substance (Ph. Eur.)
99.0 - 101.0 %
- perchloric acid titration, calc. on dried substance (USP) 99.0 - 100.5 %
- Perchloric acid titration, previously dried substance (JP) 99.0 - 101.0 %
Identity
- Na
passes test
- Citrate passes test
- reaction upon ignition passes test
Appearance black to almost black crystals
Appearance of solution (100 g/l, CO2-free water) clear and colorless
Acidity or alkalinity passes test
pH (50 g/l CO2-free water) 7.5 - 8.5
Chloride (Cl) ≤ 50 ppm
Sulfate (SO4) ≤ 150 ppm
Heavy metals (as Pb) ≤ 5 ppm
Al (Aluminium) ≤ 5 ppm
As (Arsenic) ≤ 1 ppm
Hg (Mercury) ≤ 1 ppm
Pb (Lead) ≤ 1 ppm
Oxalate (as C2H2O4) ≤ 100 ppm
Tartrate (C4H4O6) passes test
Residual solvents (Ph. Eur./USP/ICH) excluded by manufacturing process
Readily carbonisable substance passes test
Water (according to Karl Fischer) 11.0 - 13.0 %
Loss on drying (180 °C, 18 h) 10.0 - 13.0 %
Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000 are not likely to be present.
Corresponds to Ph. Eur., BP, JP, USP, E 331 Conforms to the purity criteria on food additives according to European Commission directive 2008/84/EC.

 

tri-Sodium citrate dihydrate, molecular structure

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