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84426 Sigma-Aldrich

Hydrochloric acid

purum p.a., fuming 37%, ≥37% (T)

  • CAS Number 7647-01-0

  • Empirical Formula (Hill Notation) HCl

  • Molecular Weight 36.46

  •  Beilstein Registry Number 1098214

  •  EC Number 231-595-7

  •  MDL number MFCD00011324

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Inorganic Acids, Synthetic Reagents More...
vapor density   1.3 (vs air)
vapor pressure   3.23 psi ( 21.1 °C)
  7.93 psi ( 37.7 °C)
InChI Key   VEXZGXHMUGYJMC-UHFFFAOYSA-N
grade   purum p.a.
assay   ≥37% (T)
concentration   30-50%
color   light yellow
bp   >100 °C(lit.)
solubility   water: soluble
density   1.2 g/mL at 25 °C(lit.)
anion traces   sulfate (SO42-): ≤10 mg/kg
cation traces   As: ≤0.1 mg/kg
  Ca: ≤10 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
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg

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Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 1789 8 / PGII
WGK Germany 
1
RTECS 
MW4025000
Protocols & Articles

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