tri-SODIUM CITRATE DIHYDRATE Molecular Biology

Citric acid trisodium salt dihydrate

COAs

Packings

500 g (00500)

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Article No.	05836	Grade	Molecular Biology
Purity	99%	CAS No.	6132-04-3
Molecular Formula	Na₃C₆H₅O₇.2H₂O	Molecular Weight	294.10
H.S. Code	2918.1520	Shelf Life	60 Months

Physical Properties

Physical state at 20 °C	Solid	Colour	White crystalline
Odour	Odorless	pH value	7.5 - 9 at 29.4 g/l at 25 °C
Melting point/ Freezing point [°C]	> 300 °C	Density [g/cm3]	1.665
Solubility in water [% weight]	29.4 g/l at 20 °C - completely soluble

Specifications

Appearance	White crystalline powder	Assay (by HClO4 titration)	Min 99%
Heavy metal (as Pb)	Max 0.001%	UV absorbance (1 cm cell vs water; 0.1 mol/L)
at 260 nm	Max 0.01	at 280 nm	Max 0.01
DNases (exo and endonucleases)	Not detectable	RNases	Not detectable
Phosphatase	Not detectable	Proteases	Not detectable

Revision Date: 24-Dec-2013

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