Sodium dihydrogen phosphate monohydrate, for analysis, ExpertQ®, ACS, Reag. Ph. Eur.

- Synonyms: Sodium biphosphate, Monosodium orthophosphate, Primary sodium phosphate, Sodium phosphate monobasic
- NaH2PO4·H2O
- M = 137,99 g/mol
- CAS [10049-21-5]
- EINECS-No.: 231-449-2
- Solub. in water: (20 ºC): 850 g/l
- Melting point: ~ 100 ºC (decomposes)
- LD 50 (oral, rat): 8290 mg/kg (anhydrous substance)
- Tariff number: 2835 22 00 00

SPECIFICATIONS
assay (acidimetric): 98,0-102,0 %
pH (5 %, H2O): 4,1 - 4,5
insoluble matter: max. 0,01 %
chlorides (Cl): max. 5 ppm
sulfates (SO4): max. 0,003 %
calcium (Ca): max. 0,005 %
potassium (K): max. 0,01 %:
heavy metals: max. 0,001 %
iron (Fe): max. 0,001 %