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11625 Sigma-Aldrich

Sodium tetraborate decahydrate

puriss., meets analytical specification of Ph. Eur., BP, NF, 99.0-103.0%

Synonym: Borax decahydrate, Sodium borate decahydrate

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts,
grade   Ph Eur
InChI Key   CDMADVZSLOHIFP-UHFFFAOYSA-N
grade   puriss.
assay   99.0-103.0%
form   crystalline
quality   meets analytical specification of Ph. Eur., BP, NF
impurities   carbonate and Bicarbonate, complies
  organic volatile impurities, complies
  residual solvents, complies
  ≤0.001% ammonium (NH4)
  ≤0.002% heavy metals (as Pb)
pH   9.0-9.6 (20 °C, 5%)
density   1.73 g/mL at 25 °C (lit.)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   As: ≤3 mg/kg
  Ca: ≤100 mg/kg
  Fe: ≤20 mg/kg
  Mg: ≤10 mg/kg
suitability   complies for appearance of solution
Safety & Documentation

Safety Information

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

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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