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Merck
모든 사진(4)

문서

05040

Millipore

Agar

powder, suitable for microbiology

동의어(들):

Agar-agar, Gum agar

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About This Item

Linear Formula:
(C12H18O9)n
CAS Number:
EC Number:
MDL number:
UNSPSC 코드:
41106212
eCl@ss:
42040102
NACRES:
NA.74

무균

non-sterile

Quality Level

형태

powder

유통기한

limited shelf life, expiry date on the label

저장 조건

(Tightly closed)

무기 잔류물

≤6%

손실

≤20% loss on drying

pH

5-8 (50 °C, 1.5% in H2O, 100 °C/15 min.)

전이 온도

gel point ~35 °C (1.5% solution)

겔 강도

>300 g/cm2 (1.5% gel)

solubility

H2O: 1.5% at 70 °C, clear to slightly hazy (100 °C/15 min.)

응용 분야

agriculture
microbiology

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

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일반 설명

Agar is widely used in microbiology as a solidifying agent in microbial culture media. It is a polysaccharide derived from seaweed and is primarily composed of agarose. Agar is a mostly inert substance, which makes it an ideal material for microbial culture media because it doesn’t interfere with the growth of microorganisms. Agar can solidify media, allowing microorganisms to grow in a solid environment to promote the formation of distinct colonies and enable selective isolation of specific microorganism. It is also used to prepare selective and differential media, which can provide additional nutrients or other chemical substances to promote or inhibit the growth of specific microorganisms selectively. Agar is sterilized by autoclaving and then poured into Petri dishes to cool and solidify, forming the surface for microbial growth.

애플리케이션

Agar is commonly used as a solidifying agent in many microbial culture media for the growth and identification of bacteria, yeasts, and molds from various pharmaceutical, environmental, and food and beverage samples.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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