Sodium dihydrogen phosphate dihydrate 98.0-100.5% (alkalimetric, calculated on anhydrous substance), EMPROVE® EXPERT Ph. Eur., BP, USP, JPE, SAFC®
Catalog # 1.37018.9025
Supplier: MERCK PRODUCTION CHEMICALS
CAS Number:
Specifications
- Pk:25 kg
- Seq:4283
Specifications
Specification Test Results
- Assay (alkalimetric, calculated on dried substance):98.0 - 100.5 %
- Assay (alkalimetric; dried substance):98.0 - 101.0 %
- Identity:passes test
- Appearance of solution:passes test
- In water insoluble matter (calculated on dried substance):≤ 0.15 %
- pH-value (1 %, water):4.1 - 4.7
- pH-value (5 %; water):4.2 - 4.5
- pH-value (5.7 %; water):4.1 - 4.5
- Chloride (Cl):≤ 0.005 %
- Hydrogenphosphate (HPO₄):≤ 0.5 %
- Sulfate (SO₄):≤ 0.01 %
- Heavy metals (as Pb):≤ 0.0005 %
- Al, Ca and other elements detectable with ammonia:passes test
- As (Arsenic):≤ 0.0002 %
- Fe (Iron):≤ 0.0010 %
- Residual solvents (ICH Q3C):excluded by production process
- Substances reducing potassium permanganate (as O):passes test
- Loss on drying (130 °C):22.0 - 24.0 %
- Endotoxins:≤ 2.5 I.U./g
- Total aerobic microbial count:≤ 1E+02 CFU/g
- Total yeast and mould count:≤ 1E+02 CFU/g
- E.coli (absent in 1g):passes test
- Pseudomonas aeruginosa (absent in 1g):passes test
- Staphylococcus aureus (absent in 1g):passes test
- Salmonella species (absent in 10g):passes test
- Bile tolerante gram negative bacteria (absent in 1g):passes test
- Candida albicans (absent in 1g):passes test
- DNases (Exo- and endonucleases) (not detectable):passes test
- RNases (not detectable):passes test
- Proteases (not detectable):passes test
Specification Test Results
About this item
:
:156.01 g/mol
Merck Index:12,08806
Boiling Pt:∼650 °C (1013 hPa)
Melting Pt:60 °C
Density:1.91 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-449-2
REACH:01-2119489796-13
CAS Number:13472-35-0
Formula:NaH₂PO₄·2H₂O
MDL Number:MFCD00149209