1.0 M Sodium phosphate dibasic dihydrate - 200 ml

- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)

Sodium phosphate dibasic dihydrate

Synonyms: sec-Sodium phosphate or di-sodium hydrogen phosphate dihydrate or disodium hydrogen phosphate dihydrate or disodium phosphate
HNa2O4P • 2H2O
Na2HPO4 • 2H2O
Mr 177.99
CAS Number [10028-24-7]
EC Number 231-448-7
Merck 14,8659
MDL Number MFCD00149182
Purity ≥ 99.0%

Measured pH Range: 8.7 - 8.9 at 25°C
Measured Conductivity Range: 61.9 - 69.0 mS/cm at 25°C
Measured Refractive Index Range: 1.35644 - 1.35717 at 20°C

Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.001%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.005%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
N ≤0.001%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%

1.0 M Sodium phosphate dibasic dihydrate is completely soluble in water at 4 degrees Celsius and higher temperatures. Below 4 degrees Celsius 1.0 M Sodium phosphate dibasic dihydrate will crystallize out of solution. If this happens, warm the reagent at 37 degrees until complete solubility is observed (4 to 8 hours) and then store the reagent between 4 and 25 degrees Celsius.

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