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11044 Sigma-Aldrich

Aluminum sulfate octadecahydrate

puriss., meets analytical specification of Ph. Eur., BP, 100-110%, 51.0-59.0% Al2(SO4)3 basis

Synonym: Aluminum sulfate hydrate

  • CAS Number 7784-31-8

  • Linear Formula Al2(SO4)3 · 18H2O

  • Molecular Weight 666.43

  •  EC Number 233-135-0

  •  PubChem Substance ID 24846984

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Properties

Related Categories Aluminum Salts, Essential Chemicals, Research Essentials, Salts
grade   puriss.
assay   100-110%
  51.0-59.0% Al2(SO4)3 basis
quality   meets analytical specification of Ph. Eur., BP
impurities   residual solvents, complies
  ≤0.002% heavy metals (as Pb)
  ≤0.003% ammonium (NH4)
  ≤0.2% sub.not precip.b.NH4OH(SO4)
pH   2.5-4.0 (20 °C, 2%)
anion traces   chloride (Cl-): ≤50 mg/kg
cation traces   As: ≤3 mg/kg
  Fe: ≤50 mg/kg
suitability   complies for appearance of solution
Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN3260 - class 8 - PG 3 - RQ - Corrosive solid, acidic, inorganic, n.o.s., HI: all
WGK Germany 
1
RTECS 
WS5697000

Documents

Certificate of Analysis

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Single- & multi-channel pipettes from BRAND
Protocols & Articles
Peer-Reviewed Papers
15

References

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