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540242

Sigma-Aldrich

(R)-(−)-1,2-Propanediol

96%

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Synonym(s):
(R)-(−)-Propylene glycerol, (R)-(−)-Propylene glycol
Linear Formula:
CH3CH(OH)CH2OH
CAS Number:
Molecular Weight:
76.09
Beilstein/REAXYS Number:
1718872
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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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1 of 4

This Item
PX16908228016033
(R)-(−)-1,2-Propanediol 96%

540242

(R)-(−)-1,2-Propanediol

1,2-Propanediol

PX1690

1,2-Propanediol

1,2-Propanediol puriss. p.a., ACS reagent, ≥99.5% (GC)

82280

1,2-Propanediol

1,2-Propanediol meets analytical specification of Ph. Eur., BP, USP, ≥99.5%

16033

1,2-Propanediol

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

density

1.04 g/mL at 25 °C (lit.)

density

1.04 g/cm3 at 20 °C

density

1.036 g/mL at 25 °C (lit.)

density

1.036 g/mL at 25 °C (lit.)

bp

186-188 °C/765 mmHg (lit.)

bp

188 °C/1013 hPa

bp

187 °C (lit.)

bp

187 °C (lit.)

refractive index

n20/D 1.434 (lit.)

refractive index

n20/D 1.43

refractive index

n20/D 1.432 (lit.), n20/D 1.433

refractive index

n20/D 1.431-1.433, n20/D 1.432 (lit.)

optical activity

[α]20/D −16.5°, neat

optical activity

-

optical activity

-

optical activity

-

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

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

217.4 °F - closed cup

flash_point_c

103 °C - closed cup

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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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)
Kenneth B Sloan et al.
Journal of cosmetic science, 64(3), 181-192 (2013-06-12)
It would be useful to develop a surrogate for animal skin, which could be use to predict flux through human skin. The fluxes (and physicochemical properties) of sunscreens and other compounds from propylene glycol (PG):water (AQ), 30:70, through human skin
H Fromme et al.
Chemosphere, 90(11), 2714-2721 (2013-01-08)
Glycol ethers are a class of semi-volatile substances used as solvents in a variety of consumer products like cleaning agents, paints, cosmetics as well as chemical intermediates. We determined 11 metabolites of ethylene and propylene glycol ethers in 44 urine
A A Melo et al.
The Journal of laryngology and otology, 127(4), 359-363 (2013-02-15)
To determine whether the administration of mitomycin C prevents propylene glycol exposure from inducing middle-ear cholesteatoma and otitis media, in a rat model. Twenty-four Wistar rats underwent intratympanic injections on days 1, 8 and 15, via the tympanic membrane pars

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