Glutaraldéhyde 25% en solution aqueuse pour microscopie électronique selon P.J. Anderson, purifié, Sigma-Aldrich®
Marques : MerckTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Synonyme(s):
1,5-Pentanedial, Glutaral
M-Clarity™ (Niveau de Qualité) = MQ400 Conditionné sous azote
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.
Formule:
C₅H₈O₂ Poids moléculaire: 100.12 g/mol Point d'ébullition: 188 Point de fusion: –6 °C Densité: 1.06 g/cm³ (20 °C) Point éclair: >71 °C Température de stockage: Réfrigérateur |
Numéro MDL:
MFCD00007025 Numéro CAS: 111-30-8 EINECS: 203-856-5 UN: 1760 ADR: 8 Indice Merck: 13,04485 |
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Résultats des tests de spécification
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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