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Millipore® β-Mercaptoethanol, Molecular Biology Grade

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MT-MC-444203-250ML

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Linear Formula:  HSCH2CH2OH

CAS Number:  60-24-2

Molecular Weight:  78.13

Beilstein:  773648

MDL number:  MFCD00004890

UNSPSC Code:  12161504

NACRES:  NA.25

Grade:  Molecular Biology

Assay:  ≥99% (GC)

Bp:  157 °C (lit.)

Vapor pressure:  1 mmHg ( 20 °C)

Grade:  Molecular Biology

Quality Level:  100

vapor density:  2.69 (vs air)

vapor pressure:  1 mmHg ( 20 °C)

description:  Merck USA index - 14, 5869

Assay:  ≥99% (GC)

Form:  liquid

expl. lim.:  18 %

reaction suitability:  reagent type: reductant

manufacturer/tradename:  Calbiochem®

storage condition:  OK to freeze

concentration:  14.3 M (pure liquid)

refractive index:  n20/D 1.500 (lit.)

pH:  4.5-6 (20 °C, 500 g/L)

bp:  157 °C (lit.)

mp:  <-50 °C

density:

1.12 g/cm3 at 20 °C

1.114 g/mL at 25 °C (lit.)

cation traces:  heavy metals (as Pb): ≤0.0001%

absorption:

≤0.31 at 280 nm

≤1.50 at 260 nm

foreign activity:  DNases, proteases, RNases, none detected

shipped in:  ambient

storage temp.:  15-25°C

SMILES string:  OCCS

InChI:  1S/C2H6OS/c3-1-2-4/h3-4H,1-2H2

InChI key:  DGVVWUTYPXICAM-UHFFFAOYSA-N

General description

A disulfide-reducing agent.

A disulfide-reducing agent. Reagent commonly used in organic synthesis (aborsorbance: ≤1.50 at 260 nm; ≤0.31 at 280 nm).

Application

BME is suitable for reducing protein disulfide bonds prior to polyacrylamide gel electrophoresis and is usually included in a sample buffer for SDS-PAGE at a concentration of 5%. Cleaving intermolecular (between subunits) disulfide bonds allows the subunits of a protein to separate independently on SDS-PAGE. Cleaving intramolecular (within subunit) disulfide bonds allows the subunits to become completely denatured so that each peptide migrates according to its chain length with no influence due to secondary structure.

Other Notes

Due to the nature of the Hazardous Materials in this shipment, additional shipping charges may be applied to your order. Certain sizes may be exempt from the additional hazardous materials shipping charges. Please contact your local sales office for more information regarding these charges.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Toxic (F)