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30501 Sigma-Aldrich

Ammonium hydroxide solution

puriss. p.a., reag. ISO, reag. Ph. Eur., ~25% NH3 basis

Synonym: Ammonia aqueous, Ammonia water

  • CAS Number 1336-21-6

  • Linear Formula NH4OH

  • Molecular Weight 35.05

  •  Beilstein/REAXYS Number 3587154

  •  MDL number MFCD00066650

  •  PubChem Substance ID 329753525

  •  NACRES NA.21

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Properties

Related Categories A-B, Puriss p.a., Acids & Bases, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography,
Quality Level   200
grade   reag. ISO, reag. Ph. Eur.
description   related substances ≤ 2 ppm (as pyridine)
InChI Key   VHUUQVKOLVNVRT-UHFFFAOYSA-N
grade   puriss. p.a.
assay   ~25% NH3 basis
expl. lim.   27 %
impurities   readily oxidisable substances, in accordance
  ≤0.0001% heavy metals (as Pb)
  ≤0.0005% KMnO4 red. matter (as O)
  ≤0.0018% non-volatile matter
evapn. residue   ≤0.0018%
density   0.892-0.910 g/mL at 20 °C
  0.9 g/mL at 25 °C (lit.)
anion traces   carbonate (CO32-): ≤60 ppm
  carbonate (as CO2): ≤10 ppm
  chloride (Cl-): ≤0.5 ppm
  phosphate (PO43-): ≤0.5 ppm
  silicate (as SiO2): ≤10 ppm
  sulfate (SO42-): ≤2 ppm
  sulfide (S2-): ≤0.2 ppm
cation traces   Ag: ≤0.02 ppm
  Al: ≤0.5 ppm
  Au: ≤0.1 ppm
  Ba: ≤0.05 ppm
  Bi: ≤0.1 ppm
  Ca: ≤1 ppm
  Cd: ≤0.05 ppm
  Co: ≤0.05 ppm
  Cr: ≤0.05 ppm
  Cu: ≤0.1 ppm
  Fe: ≤0.1 ppm
  Ga: ≤0.02 ppm
  In: ≤0.02 ppm
  K: ≤0.5 ppm
  Li: ≤0.02 ppm
  Mg: ≤0.1 ppm
  Mn: ≤0.05 ppm
  Mo: ≤0.05 ppm
  Na: ≤1 ppm
  Ni: ≤0.05 ppm
  Pb: ≤0.05 ppm
  Pt: ≤0.1 ppm
  Sn: ≤0.1 ppm
  Sr: ≤0.2 ppm
  Ti: ≤0.1 ppm
  Tl: ≤0.05 ppm
  Zn: ≤0.1 ppm
suitability   complies for appearance of solution
storage temp.   2-8°C

Description

Packaging

In PE-bottles; also available PE-bottles black (Material no. ending with PEBL; Glass-bottles (Material no. ending with *-GL), PE canister (Material no. ending with *-H)

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2672 8 / PGIII
WGK Germany 
2
Protocols & Articles

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References

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