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71999 Sigma

Sodium tetraborate decahydrate

BioUltra, ≥99.5% (T)

Synonym: Borax decahydrate, Sodium borate decahydrate

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Properties

Related Categories Alphabetical, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers
InChI Key   CDMADVZSLOHIFP-UHFFFAOYSA-N
product line   BioUltra
assay   ≥99.5% (T)
impurities   insoluble matter, passes filter test
pH   9.0-9.5 (25 °C, 0.1 M in H2O)
solubility   H2O: soluble0.1 M at 20 °C, clear, colorless
density   1.73 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤10 mg/kg
  phosphate (PO43-): ≤10 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 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: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤20 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   0.1 M in H2O
UV absorption   λ: 260 nm Amax: 0.012
  λ: 280 nm Amax: 0.010

Description

Other Notes

Primary standard buffer

Price and Availability


Laboratory Gloves

Interactive Buffer Table
Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
VZ2275000
Protocols & Articles

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Peer-Reviewed Papers
15

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B3545 Sodium tetraborate decahydrate, BioXtra, ≥99.5%

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