l Molecular formula:OCHCH₂CH₂CH₂CHO

l Molecular weight:100.12

l CAS #：111-30-8

l Specific Gravity @20/20°C: one point one three one

1、 High purity glutaraldehyde aqueous solutionGlutaraldehydeAqueous Solution

EMSThe company provides distilled glutaraldehyde to the level of electron microscopy application.

Glutaraldehyde in1963Since the beginning of the year, it has been widely used as a fixative. The advantage of glutaraldehyde is that it has a good fixation effect on glycogen, glycoproteins, microtubules, endoplasmic reticulum, and cell matrix. Its penetration into tissues and cells is stronger than osmium tetroxide, and it can also preserve the activity of certain enzymes for long-term fixation(A few weeks or even1～2A month)It will not make the organization brittle. The disadvantage is that it cannot preserve fat, has no electron staining effect, and has poor display of cell membranes.

Most commercially available glutaraldehyde aqueous solutions contain impurities, mainly succinic acid, acrylic acid, etc., which can affect the fixation quality, especially for enzyme preservation. Therefore, to obtain good fixation, commercially available glutaraldehyde can be purified using activated carbon or distillation methods. General glutaraldehydepHby4.0～5.0When stored for too long, the color of the solution turns yellow and the acidity increasespHlower3.5The following cannot be used. The glutaraldehyde solution should be stored in the refrigerator. If stored properly,EMSThe product can be stored for a long time.

The polymerized glutaraldehyde greatly reduces its effectiveness as a fixative. For this reason,EMSThe company provides10mlas well as100mlThe quantity is sufficient to meet the demands of the vast market.

l Sample fixation in electron microscopy sample preparation

l High purity, no polymer, no pollutants

l Each batch of goods undergoes testing and inspection before transportation to ensure purity and quality

l Sealed under nitrogen

l Freeze storage before transportation

8% Solution, high purity

2、 Anhydrous glutaraldehyde（AnhydrousEM Grade Glutaraldehyde: Specially Prepared-10% Solution）

The rapid freezing and freezing replacement methods are80The newly developed physical fixation method of the era. Basic method: First, use rapid low-temperature processing of the material, and then use osmium acid, glutaraldehyde, etc. at low temperature to treat it. Row substitution. Advantages: Good preservation of fine structures, especially membrane structures; Firstly, it was applied in electron microscopy film production, and now it is also used in optical microscopy technology.

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