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Merck
CN

68338

2-甲基-2,4-戊二醇

BioUltra, ≥99.0% (GC)

别名:

(±)-2-甲基-2,4-戊二醇, MPD

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关于此项目

线性分子式:
CH3CH(OH)CH2C(CH3)2OH
化学文摘社编号:
分子量:
118.17
UNSPSC Code:
12352100
NACRES:
NA.26
PubChem Substance ID:
EC Number:
203-489-0
Beilstein/REAXYS Number:
1098298
MDL number:
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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

SMILES string

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

UV absorption

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

InChI

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

InChI key

SVTBMSDMJJWYQN-UHFFFAOYSA-N

Other Notes

Used in the crystallisation of proteins


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pictograms

Health hazardExclamation mark

signalword

Warning

Hazard Classifications

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

存储类别

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



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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相关内容


A.M. Brzozowski et al.
Journal of Applied Crystallography, 34, 97-97 (2001)
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
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