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15680 Sigma-Aldrich

Boric anhydride

purum p.a., ≥97.0% (T)

Synonym: Boron trioxide

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Properties

vapor density   >1 (vs air)
InChI Key   JKWMSGQKBLHBQQ-UHFFFAOYSA-N
grade   purum p.a.
assay   ≥97.0% (T)
loss   ≤3% loss on ignition, 900 °C
mp   450 °C(lit.)
density   2.46 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤50 mg/kg
  Cd: ≤50 mg/kg
  Co: ≤50 mg/kg
  Cu: ≤50 mg/kg
  Fe: ≤50 mg/kg
  K: ≤100 mg/kg
  Na: ≤2000 mg/kg
  Ni: ≤50 mg/kg
  Pb: ≤50 mg/kg
  Zn: ≤50 mg/kg

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Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
WGK Germany 
1

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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