MilliporeSigma
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05039

Millipore

Agar

suitable for microbiology

Synonym(s):
Agar-agar, Gum agar
Linear Formula:
(C12H18O9)n
CAS Number:
EC Number:
MDL number:
eCl@ss:
42040102
NACRES:
NA.74

Quality Level

sterility

non-sterile

form

powder

ign. residue

≤5%

loss

≤12% loss on drying

pH

6-7.5 (1.5%after autoclaving)

mp

85-95 °C

transition temp

gel point 33-37 °C (1.5% solution, after autoclaving)

gel strength

>800 g/cm2 (1.5% gel, Nikkan, after autoclaving)

solubility

H2O: 1.5% at 70 °C, clear to very faintly turbid, almost colorless

application(s)

agriculture
microbiology

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General description

Agar is a complex gelatinous carbohydrate, and is added to the LB broth (Lysogeny broth, Luria broth, Lennox broth, or Luria-Bertani medium), in order to form gel for bacteria to grow upon. LB Broth is the most widely used nutritionally rich medium, for the culture and growth of bacteria. There are several different formulations of Lb broth, but the composition is generally the same comprising of peptides and casein peptones, trace elements, mineral and vitamins.
Agar has been used as reagent for the following studies:
  • Plant cell culture studies.
  • As medium supplement for the growth of wild-type Arabidopsis thaliana (ecotype Columbia) and transgenic seeds.
  • For the solidification of culture medium of cork oak somatic embryos.
  • It may be used for incubation of single antibody-forming cell to investigate the plaque formation.
  • Agar suspension culture may be used for the analysis of cell transformation of palyoma virus.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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