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252840

Sigma-Aldrich

(R)-(−)-2-Methyl-2,4-pentanediol

99%

Synonym(s):

(−)-Hexylene glycol

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About This Item

Linear Formula:
CH3CH(OH)CH2C(CH3)2OH
CAS Number:
99210-90-9
Molecular Weight:
118.17
Beilstein:
6051650
MDL number:
MFCD00064275
UNSPSC Code:
12352001
PubChem Substance ID:
24855243
NACRES:
NA.22

Assay

99%

form

liquid

optical activity

[α]22/D −21°, neat

refractive index

n20/D 1.427 (lit.)

bp

197 °C (lit.)

density

0.92 g/mL at 20 °C (lit.)

SMILES string

C[C@@H](O)CC(C)(C)O

InChI

1S/C6H14O2/c1-5(7)4-6(2,3)8/h5,7-8H,4H2,1-3H3/t5-/m1/s1

InChI key

SVTBMSDMJJWYQN-RXMQYKEDSA-N

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General description

(R)-(-)-2-Methyl-2,4-pentanediol is a chiral crystallizing agent for protein crystallization.

Application

Chiral reagent

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

215.6 °F - closed cup

Flash Point(C)

102 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

252840-BULK:
252840-250MG:
252840-VAR:
252840-1G:

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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An overview on 2-methyl-2, 4-pentanediol in crystallization and in crystals of biological macromolecules.
Anand K, et al.
Acta crystallographica. Section D, Structural biology, 58(10), 1722-1728 (2002)
Crystallization of lysozyme with (R)-,(S)-and (RS)-2-methyl-2, 4-pentanediol.
Stauber M, et al.
Acta crystallographica. Section D, Structural biology, 71(3), 427-441 (2015)

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