71636
Sodium phosphate dibasic
BioUltra, for molecular biology, ≥99.5% (T)
Recommended Products
grade
for molecular biology
Quality Level
product line
BioUltra
Assay
≥99.5% (T)
form
coarse powder
fine crystals
powder
impurities
DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.001% total nitrogen (N)
loss
≤0.1% loss on drying, 110 °C
pH
8.8-9.4 (25 °C, 0.5 M in H2O)
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
solubility
H2O: 0.5 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
Al: ≤5 mg/kg
As: ≤0.2 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤10 mg/kg
Zn: ≤5 mg/kg
λ
0.5 M in H2O
UV absorption
λ: 260 nm Amax: ≤0.025
λ: 280 nm Amax: ≤0.020
SMILES string
[Na+].[Na+].[H]OP([O-])([O-])=O
InChI
1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI key
BNIILDVGGAEEIG-UHFFFAOYSA-L
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This Item | S3264 | S7907 | RDD038 |
|---|---|---|---|
| grade for molecular biology | grade for molecular biology | grade - | grade - |
| product line BioUltra | product line - | product line BioXtra | product line BioReagent, Redi-Dri™ |
| assay ≥99.5% (T) | assay ≥98.5% (titration) | assay ≥99.0% | assay ≥99.0% |
| form coarse powder, fine crystals | form powder | form powder or crystals | form powder or crystals |
| impurities DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% total nitrogen (N) | impurities - | impurities ≤0.1% Insoluble matter | impurities - |
| pH 8.8-9.4 (25 °C, 0.5 M in H2O) | pH 8.9-9.2 (25 °C, 50 g/L in water) | pH 8.0-11.0 (20 °C, 1 M in H2O) | pH 8.9-9.2 (25 °C, 50 g/L in water) |
Application
- as a component in phosphate buffer
- in the preparation of MgCl2 hybridization buffer
- as a component in SSPE solution for the preparation of small RNA hybridisation buffer
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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