Sodium dihydrogen phosphate dihydrate

Synonyms: Sodium phosphate monobasic dihydrate

Sodium dihydrogen phosphate dihydrate is used in the preparation of biological buffers and buffer solutions, with applications in molecular biology and biochemistry.

Product Detail

Glentham Code : GK8728
Product Categories : Buffers   Raw Materials (IVD)  
CAS RN : 13472-35-0
EC Number : 231-449-2
MDL Number : MFCD00149209
PubChem Substance ID : 310280090
Storage Temperature : +20°C
Shipping Temperature : Ambient
Harmonised Tariff Code : 2835220000

Physical Description : White crystalline powder or crystals
Identification : According to Ph. Eur., USP
Content : P2O5: 45.0 - 45.7 %
               Na2O: 19.7 - 20.0 %
Loss on Drying : 21.5 - 24.0 % (130°C)
Water : 18.0 - 26.5 %
pH (5% aqueous solution) : 4.2 - 4.5
Heavy Metals (as Pb) : ≤ 10ppm
Iron (Fe) : ≤ 10ppm
Arsenic (As) : ≤ 1ppm
Lead (Pb) : ≤ 1ppm
Cadmium (Cd) : ≤ 1ppm
Mercury (Hg) : ≤ 1ppm
Water Insoluble Matter : ≤ 0.01%
Chloride (Cl) : ≤ 140ppm
Fluoride (F) : ≤ 10ppm
Sulphate : ≤ 50ppm
Reducing Substances : According to Ph. Eur.
Organic Volatile Impurities : According to USP
Solubility (10% in water) : Clear, colourless solution
Water Insoluble Matter : ≤ 0.01%
Al, Ca, and related elements : According to USP
Assay : 99.0 - 100.5 %
Pharmacopoeia Specification(s) : Ph. Eur., USP
Specification Version : 1.1

Safety Information

Not classified as a hazardous substance or mixture

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