• USA Home
  • 71501 - Sodium pyrophosphate dibasic

EMAIL THIS PAGE TO A FRIEND
71501 Sigma

Sodium pyrophosphate dibasic

BioUltra, ≥99.0% (T)

Synonym: Disodium dihydrogen pyrophosphate, Sodium diphosphate dibasic

Purchase

Properties

Related Categories Alphabetical, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers
InChI Key   GYQBBRRVRKFJRG-UHFFFAOYSA-L
product line   BioUltra
assay   ≥99.0% (T)
impurities   insoluble matter, passes filter test
loss   ≤0.5% loss on drying, 200 °C
pH   3.5-4.5 (20 °C, 0.1 M in H2O, freshly prepared)
solubility   H2O: soluble0.1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.2 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤50 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤10 mg/kg
  K: ≤300 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: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: 0.11
  λ: 280 nm Amax: 0.09

Price and Availability


Interactive Buffer Table
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
UX6475000

Documents

Certificate of Analysis

Protocols & Articles

Related Content

BioUltra Biological Buffers

A buffer, as defined by Van Slyke [1], is "a substance which by its presence in solution increases the amount of acid or alkali that must be added to cause unit change in pH". Buffers are thus very i...
Keywords: Absorption, Adsorption, Biochemistry, Biological Buffers, Biological processes, Buffers, PAGE

Peer-Reviewed Papers
15

References

Set your institution to view full text papers.
Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?