M9671

(±)-2-Methyl-2,4-pentandiol

Name: (±)-2-Methyl-2,4-pentandiol
Brand: SIGMA
Price: 200 EUR

BioXtra, ≥99% (GC)

Synonym(e):

Hexylenglykol, MPD

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Lineare Formel:

CH₃CH(OH)CH₂C(CH₃)₂OH

CAS-Nummer:

107-41-5

Molekulargewicht:

118.17

UNSPSC Code:

12352100

NACRES:

NA.26

PubChem Substance ID:

24897349

EC Number:

203-489-0

Beilstein/REAXYS Number:

1098298

MDL number:

MFCD00004547

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InChI key

SVTBMSDMJJWYQN-UHFFFAOYSA-N

InChI

1S/C6H14O2/c1-5(7)4-6(2,3)8/h5,7-8H,4H2,1-3H3

SMILES string

CC(O)CC(C)(C)O

vapor density

4.1 (vs air)

vapor pressure

0.02 mmHg ( 20 °C)

product line

BioXtra

assay

≥99% (GC)

form

liquid (or viscous liquid)

expl. lim.

7.4 %

impurities

≤0.0005% Phosphorus (P)

ign. residue

≤0.1%

Quality Level

200

refractive index

n20/D 1.427 (lit.)

bp

197 °C (lit.)

mp

−40 °C (lit.)

density

0.925 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤0.05%, sulfate (SO₄^2-): ≤0.05%

cation traces

Al: ≤0.0005%, Ca: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.005%, Mg: ≤0.0005%, NH₄⁺: ≤0.05%, Na: ≤0.005%, Pb: ≤0.001%, Zn: ≤0.0005%

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Dieser Artikel	8.20819	68340	ARK2151
Sigma-Aldrich M9671 Hexylene glycol	Sigma-Aldrich 8.20819 2-Methyl-2,4-pentanediol	Sigma-Aldrich 68340 Hexylene glycol	SAFC ARK2151 Hexylene glycol
assay ≥99% (GC)	assay ≥99.0% (GC)	assay ≥99.0% (GC)	assay -
product line BioXtra	product line -	product line -	product line -
Quality Level 200	Quality Level 200	Quality Level 200	Quality Level 500
form liquid (or viscous liquid)	form liquid	form viscous liquid	form liquid
density 0.925 g/mL at 25 °C (lit.)	density 0.92 g/cm³ at 20 °C	density 0.925 g/mL at 25 °C (lit.)	density 0.925 g/mL at 25 °C (lit.)
cation traces Al: ≤0.0005%, Cu: ≤0.0005%, K: ≤0.005%, NH₄⁺: ≤0.05%, Pb: ≤0.001%, Ca: ≤0.0005%, Mg: ≤0.0005%, Zn: ≤0.0005%, Fe: ≤0.0005%, Na: ≤0.005%	cation traces -	cation traces -	cation traces -

pictograms

GHS08,GHS07

signalword

Warning

hcodes

H315,H319,H361d

pcodes

P202 - P264 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313

Hazard Classifications

Eye Irrit. 2 - Repr. 2 - Skin Irrit. 2

Lagerklasse

10 - Combustible liquids

wgk

WGK 1

flash_point_f

201.2 °F - closed cup

flash_point_c

94 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Diffusion in ternary aqueous systems containing human serum albumin and precipitants of different classes.

Fabio Capuano et al.

Physical chemistry chemical physics : PCCP, 13(8), 3319-3327 (2010-12-25)

The mutual diffusion coefficients for two aqueous ternary systems, both containing a protein, human serum albumin (HSA, component 1), were measured. The first system contained a neutral polymer, polyethylene glycol (PEG, component 2), and the second an "organic solvent", 2-methyl-2,4-pentanediol

2-Methyl-2,4-pentanediol induces spontaneous assembly of staphylococcal α-hemolysin into heptameric pore structure.

Yoshikazu Tanaka et al.

Protein science : a publication of the Protein Society, 20(2), 448-456 (2011-02-01)

Staphylococcal α-hemolysin is expressed as a water-soluble monomeric protein and assembles on membranes to form a heptameric pore structure. The heptameric pore structure of α-hemolysin can be prepared from monomer in vitro only in the presence of deoxycholate detergent micelles

PagP crystallized from SDS/cosolvent reveals the route for phospholipid access to the hydrocarbon ruler.

Jose Antonio Cuesta-Seijo et al.

Structure (London, England : 1993), 18(9), 1210-1219 (2010-09-10)

Enzymatic reactions involving bilayer lipids occur in an environment with strict physical and topological constraints. The integral membrane enzyme PagP transfers a palmitoyl group from a phospholipid to lipid A in order to assist Escherichia coli in evading host immune

Refolding SDS-denatured proteins by the addition of amphipathic cosolvents.

Catherine Michaux et al.

Journal of molecular biology, 375(5), 1477-1488 (2007-12-18)

Sodium dodecyl sulfate (SDS) is a highly effective and widely used protein denaturant. We show that certain amphipathic cosolvents such as 2-methyl-2,4-pentanediol (MPD) can protect proteins from SDS denaturation, and in several cases can refold proteins from the SDS-denatured state.

Nanolitre-scale crystallization using acoustic liquid-transfer technology.

Armando G Villaseñor et al.

Acta crystallographica. Section D, Biological crystallography, 68(Pt 8), 893-900 (2012-08-08)

Focused acoustic energy allows accurate and precise liquid transfer on scales from picolitre to microlitre volumes. This technology was applied in protein crystallization, successfully transferring a diverse set of proteins as well as hundreds of precipitant solutions from custom and

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