EMS BUFFERS & FIXATIVES EDITION I
FIXATIVES Glutaraldehyde
EM Grade Distillation Purified OCHCH2
CH2 CH2 Specific Gravity @ 20/20°C 1.131
z The Universal Fixative for Electron Microscopy. z Purified to EM Grade from commercial grade by “all-glass vacuum-distillation.”
z THE HIGHEST PURITY, free from polymers and other contaminants.
z Each lot is tested and assayed in our lab before we ship and guarantee its purity.
z Sealed under dry nitrogen. z Refrigerated prior to shipment.
After glutaraldehyde has been purified to EM grade, it has a high risk of polymerizing if it is not handled properly. Electron Microscopy Sciences takes special precautions to assure a polymer-free, pure glutaraldehyde.
Every lot of our EM grade glutaraldehyde is assayed prior to shipping assuring you consistent purity and the highest possible quality. If stored properly, our Glutaraldehyde has a very long shelf life.
We package our glutaraldehyde in 10ml, single dose ampoules, sealed under dry nitrogen, and kept refrigerated until it is shipped. We offer our glutaraldehyde in a wide range of percentages to simplify mixing procedures and avoiding waste.
EM grade glutaraldehyde, stored in volumes greater than 100ml, with repeated defrosting and recapping, will polymerize in time, producing an absorption peak of 235nm rather than the 280nm of pure EM grade. The presence of polymerized glutaraldehyde greatly reduces its efficiency as a cross-linking agent, preventing proper fixation. For this reason, we provide 10ml ampoules and 100ml bottle quantities for larger applications.
4 to (-18)˚C 4 to (-18)˚C 4 to (-18)˚C
4 to (-18)˚C 4 to (-18)˚C 4 to (-18)˚C
CHO F.W. 100.12 CAS #111-30-8 Cat. No. Description
8% Aqueous Solution 16000 16019 16020
16021 16022 16010
4 to (-18)˚C 16010-1L
4 to (-18)˚C 4 to (-18)˚C
4 to (-18)˚C 4 to (-18)˚C 4 to (-18)˚C
8% Glutaraldehyde Aqueous Solution 8% Glutaraldehyde Aqueous Solution 8% Glutaraldehyde Aqueous Solution
same as 16020 same as 16020
8% Glutaraldehyde Aqueous Solution 8% Glutaraldehyde Aqueous Solution
10% Aqueous Solution 16100 16120
16121 16122 16110
4 to (-18)˚C 16110-1L
4 to (-18)˚C 4 to (-18)˚C
4 to (-18)˚C 4 to (-18)˚C 4 to (-18)˚C
10% Glutaraldehyde Aqueous Solution 10% Glutaraldehyde Aqueous Solution
same as 16120 same as 16120
10% Glutaraldehyde Aqueous Solution 10% Glutaraldehyde Aqueous Solution
25% Aqueous Solution 16200 16220
16221 16222 16210
4 to (-18)˚C 16210-1L
4 to (-18)˚C 4 to (-18)˚C
4 to (-18)˚C 4 to (-18)˚C 4 to (-18)˚C
25% Glutaraldehyde Aqueous Solution 25% Glutaraldehyde Aqueous Solution
same as 16220 same as 16220
25% Glutaraldehyde Aqueous Solution 25% Glutaraldehyde Aqueous Solution
50% Aqueous Solution 16300 16320
16321 16322 16310
4 to (-18)˚C 16310-1L
4 to (-18)˚C 4 to (-18)˚C
50% Glutaraldehyde Aqueous Solution 50% Glutaraldehyde Aqueous Solution
same as 16320 same as 16320
50% Glutaraldehyde Aqueous Solution 50% Glutaraldehyde Aqueous Solution
70% Aqueous Solution 16350 16360
4 to (-18)˚C 16365
70% Glutaraldehyde Aqueous Solution 70% Glutaraldehyde Aqueous Solution
70% Glutaraldehyde Aqueous Solution Qty.
10 ml ampoule Box 10 x 2 ml
Box 10 x 10 ml ampoules 10 bxs 20 bxs
100 ml bottle 1 L
10 ml ampoule
Box 10 x 10 ml ampoules 10 bxs 20 bxs
100 ml bottle 1 L
10 ml ampoule
Box 10 x 10 ml ampoules 10 bxs 20 bxs
100 ml bottle 1 L
10 ml ampoule
Box 10 x 10 ml ampoule 10 bxs 20 bxs
100 ml bottle 1 L
10 ml ampoule
box 10 x 10 ml ampoules
box 10 x 2 ml ampoules
Electron Microscopy Sciences offers custom
and contract services, including Custom Chemical Manufacturing and Private Labeling. Please contact us for more information
18
P.O. Box 550 • 1560 Industry Rd Hatfield, PA 19440 Tel: (215) 412-8400 • Fax: (215) 412-8450
email:
info@emsdiasum.com
www.emsdiasum.com
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