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di-Sodium hydrogen phosphate anhydrous, molecular biology grade

- Synonyms: Disodium hydrogen phosphate, Sodium phosphate dibasic
- Na2HPO4
- M = 141,96 g/mol
- CAS [7558-79-4]
- EINECS-No.: 231-448-7
- Solub. in water: (20 ºC): 77 g/l
- Melting point: ~ 250 ºC (decomposes)
- LD 50 (oral, rat): 17000 mg/kg
- Tariff number: 2835 22 00 00
- Applications: analytical chemistry, in buffer solutions.

SPECIFICATIONS
assay (acidimetric): min. 99,5 %
identity (IR-spectrum): passes test

0,1 M in a 1 cm cell at 260 nm: max. 0,05 AU

0,1 M in a 1 cm cell at 280 nm: max. 0,05 AU
chlorides (Cl): max. 0,005 %
heavy metals: max. 0,001 %
iron (Fe): max. 0,005 %
DNases, RNases, Proteases : non detected