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340855

Glutaraldéhyde solution

50 wt. % in H2O

Synonyme(s) :

Dialdéhyde glutarique solution, Pentane-1,5-dial

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A propos de cet article

Formule linéaire :
OHC(CH2)3CHO
Numéro CAS:
Poids moléculaire :
100.12
UNSPSC Code:
12352114
NACRES:
NA.21
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
605390
Form:
liquid
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vapor density

1.05 (vs air)

Quality Segment

vapor pressure

15 mmHg ( 20 °C)

form

liquid

concentration

50 wt. % in H2O

technique(s)

electron microscopy: suitable, immunoblotting: suitable, immunohistochemistry: suitable

color

colorless

refractive index

n20/D 1.42

mp

-21  °C ((-6 °F))

solubility

water: soluble

density

1.106 g/mL at 25 °C

suitability

suitable for microfluidics/nanofluidics

application(s)

cell analysis
genomic analysis
life science and biopharma
sample preparation

SMILES string

[H]C(CCCC([H])=O)=O

InChI

1S/C5H8O2/c6-4-2-1-3-5-7/h4-5H,1-3H2

InChI key

SXRSQZLOMIGNAQ-UHFFFAOYSA-N

General description

Glutaraldehyde (Glutaric dialdehyde, Pentane-1,5-dial) is an aliphatic dialdehyde that can be employed as an effective biochemical reagent for various purposes such as a protein crosslinker, enzyme immobilization in microscopy, histochemistry, and cytochemistry. It serves as an amine-reactive homobifunctional crosslinker and a cell fixative before SDS-PAGE, staining, or electron microscopy, making it suitable for a wide range of morphological studies.

Glutaraldehyde is capable of efficiently crosslinking amine and hydrazine derivatives to proteins and other amine-containing polymers. Notably, in certain reactions, biotin hydrazides have been directly coupled to nucleic acids using glutaraldehyde, presenting a potential utility in conjugating fluorescent hydrazides and hydroxylamines to DNA. In histology studies, Glutaraldehyde is also employed to preserve tissue sections and prepare them for closer examination.

Application

Cross-linking agent for gelatin, poly(vinyl alcohol), and polyheptapeptides.
Glutaraldehyde may be used in the following studies:
  • To compose the fixative solution (Glutaraldehyde + Paraformaldehyde + NaPO4) for use in high-resolution light microscopy and electron microscopy studies.
  • To study the conjugation of goat anti-horseradish peroxidase with alkaline phosphatase by a reported method.[1]
  • To compose the primary fixative, which is employed to protect the deterioration of cytoplasmic features of yeast cells during permanganate fixation.[2]

Features and Benefits

  • Versatile and adaptable for wide variety of research applications
  • Ready-made solution reduces the need for preparation time

Other Notes

For additional information on our range of Biochemicals, please complete this form.
To gain a comprehensive understanding of our extensive range of Monosaccharides for your research, we encourage you to visit our Carbohydrates Category page.


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Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

supp_hazards

Classe de stockage

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials



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Contenu apparenté


Minutes Int. Symp. Microencapsulation, 9th, 191-191 (1993)
Chem. Abstr., 121, 52250t-52250t (1994)
Biomimetics, 1, 219-219 (1992)



Numéro d'article de commerce international

RéférenceGTIN
340855-25ML04061838253453
340855-1L04061838253446

Questions

1–4 of 4 Questions  
  1. Is glutaraldehyde solution sterile? 340855

    1 answer
    1. This product is not a sterile solution. The material is a 50 wt. % Glutaraldehyde solution in H2O with no stabilizer or preservative.

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  4. Can I use 340855-1L for fixation of bacterial cells for SEM imaging?

    1 answer
    1. This product has not been tested for use in sensitive applications such as SEM. It may be suitable, however, this has not been validated. Alternatively, there are several products that have been tested for use as a fixative in electron microscopy. See the links below to review each option.

      G7651, 50% solution
      https://www.sigmaaldrich.com/product/sial/g7651

      G5882, 25% solution
      https://www.sigmaaldrich.com/product/sial/g5882

      G7776, 70% solution
      https://www.sigmaaldrich.com/product/sial/g7776

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