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G9752 Sigma

Gum arabic from acacia tree

branched polysaccharide

Synonym: Acacia gum

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Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Other Notes

Believed to be a branched polymer of galactose, rhamnose, arabinose, and glucuronic acid as the calcium, magnesium, and potassium salts with a mol. wt. of approx. 250,000.

Packaging

1 kg in poly bottle

500 g in poly bottle

Price and Availability


Laboratory Gloves

All labs need water
Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
CE5945000

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
Can Product G9752, Gum arabic from acacia tree, be used to extract nuclei from ciliate cells?
This product has been cited for use in a lysis buffer to extract nuclei from ciliate cells.  The reference is J. Eukaryotic Microbiology, 43(3), 198-202 (1996).
Can you provide a description of the polysaccharide in Gum arabic from acacia tree, Product G9752?
The polysaccharide in gum arabic is branched with a main chain of (1->3) linked β-D-galactopyranosyl units, with side chains of (1->3) β-D-galactopyranosyl units joined to it by (1->6) links. The side chains are two to five units in length. Both main chains and side chains have attached units of α-L-arabinofuranosyl, α-L-rhamnopyranosyl, β-D-glucuronopyranosyl and 4-O-methyl-β-D-glucuronopyranosyl units.
What is the solubility of Product G9752, Gum arabic from acacia tree?
According to The Merck Index, 12th ed., Entry# 11, gum arabic is insoluble in alcohols. It is almost completely soluble in twice its weight of water. It is soluble in glycerol and in propylene glycol, but prolonged heating may be necessary for complete solution.
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Protocols & Articles
Peer-Reviewed Papers
15

References

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