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Agar

Name: Agar
Brand: SIAL

powder, suitable for microbiology

Synonym(s):

Agar-agar, Gum agar

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About This Item

Linear Formula:

(C₁₂H₁₈O₉)_n

CAS Number:

9002-18-0

NACRES:

NA.74

UNSPSC Code:

41106212

MDL number:

MFCD00081288

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Properties

form

powder

Quality Segment

100

shelf life

limited shelf life, expiry date on the label

loss

≤10% loss on drying

pH

6-7.5 (1.5% in gel, after autoclaving )

mp

85-89 °C

transition temp

gel point 34-36 °C

gel strength

≥800 g/cm²Nikkan, after autoclaving

anion traces

sulfate (SO₄^2-): ≤2.75%

cation traces

Ca: ≤500 ppm, Mg: ≤200 ppm

application(s)

microbiology

storage temp.

15-25°C

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

InChI key

GYYDPBCUIJTIBM-DYOGSRDZSA-N

Description

General description

Agar is a gelatinous substance, commonly used as a solidifying agent in microbiological media. It provides a stable platform for the growth of microorganisms. This agar is a mixture of Gelidium agar and a small amount of Gracilaria agar. It gives a very clear gel and shows the same good characteristics as the typical pure Gelidium agar.

Analysis Note

Toxic substances: absence
Nephelosi/after autoclaving NTU <8

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This Item	A1296	A6686	A9799
Millipore 01916 Agar	Sigma-Aldrich A1296 Agar	Sigma-Aldrich A6686 Agar	Sigma-Aldrich A9799 Agar
description powder, suitable for microbiology	description microbiology tested, suitable for plant cell culture, suitable for cell culture, powder	description Bacteriological, microbiology tested, suitable for plant cell culture, granular	description High gel strength, suitable for plant cell culture
form powder	form powder	form granular	form powder
application(s) microbiology	application(s) agriculture agriculture food and beverages life science and biopharma microbiology microbiology	application(s) agriculture	application(s) agriculture
shelf life limited shelf life, expiry date on the label	shelf life -	shelf life -	shelf life -
Quality Level 100	Quality Level 200	Quality Level 200	Quality Level 200
pH 6-7.5 (1.5% in gel, after autoclaving )	pH -	pH -	pH -
storage temp. 15-25°C	storage temp. room temp	storage temp. room temp	storage temp. room temp

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Storage Class

11 - Combustible Solids

WGK

WGK 1

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