Glutaraldehyde 25% aqueous solution Electron_microscopy_Anderson, Sigma-Aldrich®

Supplier: MilliporeSigma

Corrosive Warning

Irritant Warning

Environment Warning

Danger

Synonyms: Glutaral, Glutardialdehyde, 1,5-Pentanedial

MQ400

1.12179.0025 1.12179.0100 1.12179.0025 1.12179.0100

EM1.12179.0025CS 57339.78 CAD

EM1.12179.0025 EM1.12179.0100 CA1.12179.0025 CA1.12179.0100

Glutaraldehyde 25% aqueous solution Electron_microscopy_Anderson, Sigma-Aldrich®

Glutaraldehyde

Glutardialdehyde is a fixing agent for specimens destined for morphological and enzyme histochemical analysis of samples of human origin.

The 25% Glutardialdehyde solution is used for the fixation of specimen for semi-thin cuttings and electron microscopy. Alternatively, especially sensitive material used for enzyme histochemistry, will be fixed with glutardialdehyde acc. to P.J. Anderson, purified and filled into ampoules under nitrogen. Sensitive enzymes e.g. endogenous peroxidase can often only be visualized in this way. It is registered as CE / IVD product for applications in diagnostics.

Formula: C₅H₈O₂
MW: 100.12
Boiling Pt: 188
Melting Pt: -10
Density: 1.014

MDL Number: MFCD00007025
CAS Number: 111-30-8
UN: 1760
ADR: 8
Merck Index: 13,04485

Specification Test Results

Assay (alkalimetric)	24.7 - 25.7 %
Identity	conforms
Free acid (as glutaric acid)	≤ 0.2 %
Methanol (HS-GC)	≤ 0.3 %
Optical purity (E 280 nm / E 235 nm)	≥ 3.0
pH	3.0 (H2O, 20 °C)

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