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68338

Sigma-Aldrich

Hexylene glycol

BioUltra, ≥99.0% (GC)

Synonym(s):

(±)-2-Methyl-2,4-pentanediol, MPD

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About This Item

Linear Formula:
CH3CH(OH)CH2C(CH3)2OH
CAS Number:
107-41-5
Molecular Weight:
118.17
Beilstein:
1098298
EC Number:
203-489-0
MDL number:
MFCD00004547
UNSPSC Code:
12352100
PubChem Substance ID:
57652149
NACRES:
NA.26

vapor density

4.1 (vs air)

vapor pressure

0.02 mmHg ( 20 °C)

product line

BioUltra

Assay

≥99.0% (GC)

form

liquid (or viscous liquid)

expl. lim.

7.4 %

impurities

insoluble matter, passes filter test

refractive index

n20/D 1.427 (lit.)
n20/D 1.428

pH

6-8 (25 °C, 1 M in H2O)

bp

197 °C (lit.)

mp

−40 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

density

0.925 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

SMILES string

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

InChI

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

InChI key

SVTBMSDMJJWYQN-UHFFFAOYSA-N

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Other Notes

Used in the crystallisation of proteins

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H361d

Hazard Classifications

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

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

201.2 °F - closed cup

Flash Point(C)

94 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Kanchan Anand et al.
Acta crystallographica. Section D, Biological crystallography, 58(Pt 10 Pt 1), 1722-1728 (2002-09-28)
2-Methyl-2,4-pentanediol (MPD) is the most popular chemical additive used for crystallization of biological macromolecules. However, the mechanism of its action on proteins in aqueous solution is not well understood. We have carried out a systematic analysis of the conformation and
A.M. Brzozowski et al.
Journal of Applied Crystallography, 34, 97-97 (2001)
Catherine Michaux et al.
BMC structural biology, 8, 29-29 (2008-06-05)
Recently, we reported a unique approach to preserve the activity of some proteins in the presence of the denaturing agent, Sodium Dodecyl Sulfate (SDS). This was made possible by addition of the amphipathic solvent 2,4-Methyl-2-PentaneDiol (MPD), used as protecting but
A family of nanoporous materials based on an amino acid backbone.
Ramanathan Vaidhyanathan et al.
Angewandte Chemie (International ed. in English), 45(39), 6495-6499 (2006-09-09)
Christopher Stanley et al.
Biophysical journal, 91(3), 912-920 (2006-05-23)
The physical forces that underlie the exclusion of solutes from macromolecular surfaces can be probed in a similar way as the measurement of forces between macromolecules in condensed arrays using the osmotic stress technique and x-ray scattering. We report here
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