Propylene glycol

Product Information

Molecular Formula:
C3H8O2
Molecular Weight:
76.095
Description
Propylene glycol can be used as a solvent in oral and topical drug products.
Synonyms
1,2-Propanediol
IUPAC Name
propane-1,2-diol
Canonical SMILES
CC(CO)O
InChI
InChI=1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
InChI Key
DNIAPMSPPWPWGF-UHFFFAOYSA-N
Boiling Point
188 °C
Melting Point
-59 °C
Flash Point
107 °C
Purity
>99.0%(GC)
Density
1.036 g/mL at 25°C(lit.)
Solubility
Soluble in chloroform (slightly), ethyl acetate (slightly), methanol (slightly).
Appearance
Colourless Oil
Application
Used in antifreeze and deicing solutions for cars, boats, and aircraft; also used as a solvent for paints and plastics and to create harmless, artificial smoke for training and theatrical purposes.
Storage
Room Temperature
Refractive Index
n20/D 1.432(lit.)
Stability
Stable under normal temperatures and pressures.
LogP
-0.64050
Vapor Pressure
0.08 mmHg at 68 °F
Henry's Law Constant
1.3X10-8 atm-cu m/mol at 25 °C (est)
Decomposition
When heated to decomposition it emits acrid smoke and irritating fumes.
Dissociation Constants
14.9
Odor
Practically odorless

Safety Information

Hazards
H319:
Causes serious eye irritation.
Precautionary Statement
P264:
Wash thoroughly after handling.
P280:
Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338:
IF IN EYES:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do. Continue rinsing.
P337+P313:
If eye irritation persists:
Get medical advice/attention.

Computed Properties

XLogP3
-0.9
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
1
Exact Mass
76.052429494 g/mol
Monoisotopic Mass
76.052429494 g/mol
Topological Polar Surface Area
40.5Ų
Heavy Atom Count
5
Formal Charge
0
Complexity
20.9
Isotope Atom Count
0
Defined Atom Stereocenter Count
0
Undefined Atom Stereocenter Count
1
Defined Bond Stereocenter Count
0
Undefined Bond Stereocenter Count
0
Covalently-Bonded Unit Count
1
Compound Is Canonicalized
Yes

Patents

Publication Number Title Priority Date
CN-109833832-A A kind of axis radial direction HPPO fixed bed reactors 2019-04-08
CN-109942512-A A method of propylene oxide is prepared with microchannel hybrid system processing propylene-dioxygen water-methanol solution 2019-04-08
CN-109912542-A A kind of method that the homogeneous system of low propylene usage amount prepares propylene oxide 2019-03-28
CN-109180611-A A kind of HPPO method of raw material segmentation injection prepares the device and method of propylene oxide 2018-10-12
CN-108348520-A MDM2 inhibitor and a combination thereof 2015-08-28
US-2016089439-A1 Prevention of Illicit Manufacutre of Methamphetamine from Pseudoephedrine Using Food Flavor Excipients 2014-09-28
US-2016168190-A1 C-20 steroid compounds, compositions and uses thereof to treat traumatic brain injury (tbi), including concussions 2014-09-17
US-2016053058-A1 Polyester polyols from recycled polymers and waste streams 2014-08-20
US-2015017229-A1 Method and system for synthesizing nanocarrier based long acting drug delivery system for insulin 2014-07-21
US-2015024034-A1 Method and system for synthesizing nanocarrier based long acting drug delivery system for dexamethasone 2014-07-21

Literatures

PMID Publication Date Title Journal
29432853 2018-03-01 Neurobehavioral effects of 1,2-propanediol in zebrafish (Danio rerio) Neurotoxicology
28065790 2017-12-01 Comparison of cellular and transcriptomic effects between electronic cigarette vapor and cigarette smoke in human bronchial epithelial cells Toxicology in vitro : an international journal published in association with BIBRA
25959454 2016-01-01 Safety data on 19 vehicles for use in 1 month oral rodent pre-clinical studies: administration of hydroxypropyl-ß-cyclodextrin causes renal toxicity Journal of applied toxicology : JAT
22296239 2012-11-01 A comparative study of vitamin E TPGS/HPMC supersaturated system and other solubilizer/polymer combinations to enhance the permeability of a poorly soluble drug through the skin Drug development and industrial pharmacy
22681227 2012-11-01 Treatment of distal subungual onychomycosis with a topical preparation of urea, propylene glycol and lactic acid: results of a 24-week, double-blind, placebo-controlled study Mycoses
23051026 2012-11-01 Novel double phase transforming organogel based on β-cyclodextrin in 1,2-propylene glycol The journal of physical chemistry. B
22641171 2012-10-05 The propylene glycol research project to illustrate the feasibility and difficulties to study toxicokinetics in neonates International journal of pharmaceutics
22841658 2012-10-05 Intrathecal dihydroergotamine inhibits capsaicin-induced vasodilatation in the canine external carotid circulation via GR127935- and rauwolscine-sensitive receptors European journal of pharmacology
22619090 2012-10-01 Sustained delivery of paclitaxel using thermogelling poly(PEG/PPG/PCL urethane)s for enhanced toxicity against cancer cells Journal of biomedical materials research. Part A
22967518 2012-09-15 A simple strategy to monitor lipase activity using liquid crystal-based sensors Talanta
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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