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540242

Sigma-Aldrich

(R)-(−)-1,2-Propanediol

96%

Synonym(s):

(R)-(−)-Propylene glycerol, (R)-(−)-Propylene glycol

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About This Item

Linear Formula:
CH3CH(OH)CH2OH
CAS Number:
Molecular Weight:
76.09
Beilstein:
1718872
MDL number:
UNSPSC Code:
12352001
PubChem Substance ID:
NACRES:
NA.22

Assay

96%

optical activity

[α]20/D −16.5°, neat

optical purity

ee: 98% (GLC)

refractive index

n20/D 1.434 (lit.)

bp

186-188 °C/765 mmHg (lit.)

density

1.04 g/mL at 25 °C (lit.)

SMILES string

C[C@@H](O)CO

InChI

1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3/t3-/m1/s1

InChI key

DNIAPMSPPWPWGF-GSVOUGTGSA-N

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Other Notes

(R)-(-)-1,2-Propanediol undergoes metabolization in the bovine rumen fluid by the rumen microbiota with the emission of sulfur-containing gases.

Legal Information

Manufactured under license by Sterling Pharma Solutions Limited, using Jacobsen HKR technology.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

217.4 °F - closed cup

Flash Point(C)

103 °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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Yang Zhao et al.
Nature communications, 8, 14180-14180 (2017-01-26)
Many naturally occurring biomolecules, such as amino acids, sugars and nucleotides, are inherently chiral. Enantiomers, a pair of chiral isomers with opposite handedness, often exhibit similar physical and chemical properties due to their identical functional groups and composition, yet show
Ruminal fermentation of propylene glycol and glycerol.
Trabue S, et al.
Journal of Agricultural and Food Chemistry, 55(17), 7043-7051 (2007)
Ying-Zheng Zhao et al.
Cancer letters, 330(1), 74-83 (2012-11-29)
Multidrug resistance (MDR) is one of the major reasons for the failure of cancer chemotherapy. A newly reported liposome carrier, propylene glycol liposomes (EPI-PG-liposomes) were made to load epirubicin (EPI) which enhanced EPI absorption in MDR tumor cells to overcome
Zak E Hughes et al.
The journal of physical chemistry. B, 117(12), 3362-3375 (2013-03-01)
Polyhydroxylated alcohols and DMSO are common cryosolvents that can damage cell membranes at sufficiently high concentrations. The interaction of representative plant cell membranes composed of mixed 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC)-β-sitosterol bilayers, at a range of compositions, with a variety of cryosolvent molecules
Han Li et al.
Microbial cell factories, 12, 4-4 (2013-01-24)
The modern society primarily relies on petroleum and natural gas for the production of fuels and chemicals. One of the major commodity chemicals 1,2-propanediol (1,2-PDO), which has an annual production of more than 0.5 million tons in the United States

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