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Merck

A5306

Bacteriological agar

for molecular biology

Synonym(s):

Agar, Agar-agar, Gum agar

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About This Item

Linear Formula:
(C12H18O9)n
CAS Number:
9002-18-0
UNSPSC Code:
50405901
NACRES:
NA.31
EC Number:
232-658-1
MDL number:
MFCD00081288

Key Documents

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SMILES string

O1[C@@H]([C@@H]([C@@H]([C@H](C1OC2[C@H]3OCC2OC([C@H]3O)C)O)OC)O)CO

InChI key

GYYDPBCUIJTIBM-DYOGSRDZSA-N

InChI

1S/C14H24O9/c1-5-8(16)13-11(7(21-5)4-20-13)23-14-10(18)12(19-2)9(17)6(3-15)22-14/h5-18H,3-4H2,1-2H3/t5?,6-,7?,8-,9+,10-,11?,12+,13+,14?/m1/s1

grade

Molecular Biology

form

powder

Quality Level

200

Related Categories

General description

Bacteriological agar is a colloidal substance and a cell wall component, obtained from Rhodoyceae (marine algae) and Gelidium sp. Agarose combined with agaropectin forms this polysaccharide. It is also called as agar-agar and is a polymer of galactoside. This agar is soluble in boiling water but not in cold water.

Application

Bacteriological agar has been used:
  • as a component of ATCC agar for Escherichia coli culture
  • as one of the experimental diet feed for Atlantic salmon fry, to study the protein and lysine requirements for maintenance and for tissue accretion
  • as component of yeast extract peptone dextrose medium, Luria broth medium and synthetic complete drop out medium for Escherichia coli culture

Biochem/physiol Actions

Bacteriological agar is commonly used as a culture medium for microorganism. It is useful for fermentation process. Agar-agar serves as a preservative in food processing. It also possesses various other applications such as an emulsifier, carrier, lubricant, stabilizer, laxative disintegrant in pharmaceutical and cosmetic industries. Agar-agar is also used in photographic emulsion.

Analysis Note

A purified agar in which the original naturally occurring pigments, salts and miscellaneous matter have been reduced to a minimum.

Storage Class

11 - Combustible Solids

wgk

WGK 1

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

A5306-250G:4548173186238 + A5306-BULK: + A5306-1KG:4548173186221 + A5306-1KG-PW: + A5306-250G-PW: + A5306-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ8213
MKCQ7151
MKCQ1339
MKCP2269
MKCN2927

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Natural Food Antimicrobial Systems, 417-417 (2000)
Handbook of Fillers, Extenders, and Diluents, 223-223 (2007)
Measuring the activity of protein variants on a large scale using deep mutational scanning
Fowler DM, et al.
Nature Protocols, 9(9), 2267-2267 (2014)
Protein and lysine requirements for maintenance and for tissue accretion in Atlantic salmon (Salmo salar) fry
Abboudi T, et al.
Aquaculture (Amsterdam, Netherlands), 261(1), 369-383 (2006)
Decontamination of materials contaminated with Francisella philomiragia or MS 2 bacteriophage using PES-Solid, a solid source of peracetic acid
Buhr TL, et al.
Journal of Applied Microbiology, 117(2), 397-404 (2014)
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