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A5304

Sigma-Aldrich

Agarose

Special High EEO

Synonym(s):

3,6-Anhydro-α-L-galacto-β-D-galactan, Agarose HE

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About This Item

CAS Number:
9012-36-6
EC Number:
232-731-8
MDL number:
MFCD00081294
UNSPSC Code:
41105317
PubChem Substance ID:
24890968

Quality Level

200

form

powder

technique(s)

electrophoresis: suitable
immunoelectrophoresis: suitable

impurities

≤11% moisture content

ash

≤1.5%

turbidity

≤4 NTU (1.5% gel)

EEO

≤0.40

transition temp

gel point 36 °C ±1.5 °C (1.5% gel)

gel strength

≥700 g/cm2 (1% gel)

anion traces

sulfate (SO42-): ≤0.2%

storage temp.

room temp

InChI

1S/C24H38O19/c25-1-5-9(27)11(29)12(30)22(38-5)41-17-8-4-36-20(17)15(33)24(40-8)43-18-10(28)6(2-26)39-23(14(18)32)42-16-7-3-35-19(16)13(31)21(34)37-7/h5-34H,1-4H2/t5-,6-,7+,8+,9+,10+,11+,12-,13+,14-,15+,16-,17-,18+,19+,20+,21-,22+,23+,24+/m1/s1

InChI key

MJQHZNBUODTQTK-WKGBVCLCSA-N

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Suitability

Suitable for counterimmunoelectrophoresis and immunoelectrophoretic techniques with significant cathodal migration.

Analysis Note

The following is a list of properties associated with our agaroses:
Sulfate content - used as an indicator of purity, since sulfate is the major ionic group present.
Gel strength - the force that must be applied to a gel to cause it to fracture.
Gel point - the temperature at which an aqueous agarose solution forms a gel as it cools. Agarose solutions exhibit hysteresis in the liquid-to-gel transition - that is, their gel point is not the same as their melting temperature.
Electroendosmosis (EEO) - a movement of liquid through the gel. Anionic groups in an agarose gel are affixed to the matrix and cannot move, but dissociable counter cations can migrate toward the cathode in the matrix, giving rise to EEO. Since electrophoretic movement of biopolymers is usually toward the anode, EEO can disrupt separations because of internal convection.

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Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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