Glutaraldehyde 25% in aqueous solution for electron microscopy, acc. to P.J. Anderson, Sigma-Aldrich®
Supplier: Merck
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Danger
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M-Clarity™ quality level = MQ400
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 Boiling Pt: 101 °C (1013 hPa) Melting Pt: –6 °C Density: 1,06 g/cm³ (20 °C) Flash Pt: >71 °C Storage Temperature: Refrigerator |
MDL Number:
MFCD00007025 CAS Number: 111-30-8 EINECS: 203-856-5 UN: 1760 ADR: 8, |
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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