398039
1,2-propanediol
ACS reagent grade, ≥99.5%, liquid
Synonyme(s) :
Propylène glycol
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A propos de cet article
Formule linéaire :
CH3CH(OH)CH2OH
Numéro CAS:
Poids moléculaire :
76.09
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
200-338-0
MDL number:
Beilstein/REAXYS Number:
1340498
Assay:
≥99.5%
Form:
liquid
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1,2-propanediol, ACS reagent, ≥99.5%
grade
ACS reagent
Quality Level
vapor density
2.62 (vs air)
vapor pressure
0.08 mmHg ( 20 °C)
assay
≥99.5%
form
liquid
autoignition temp.
779 °F
expl. lim.
12.5 %
impurities
≤0.0005 meq/g Titr. acid, ≤0.2% water
ign. residue
≤0.005%
color
APHA: ≤10
refractive index
n20/D 1.432 (lit.)
bp
187 °C (lit.)
mp
−60 °C (lit.)
density
1.036 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤1 ppm
functional group
hydroxyl
SMILES string
CC(O)CO
InChI
1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
InChI key
DNIAPMSPPWPWGF-UHFFFAOYSA-N
General description
1,2-Propanediol, a 1,2-alkanediol is an industrially important chemical. Due to its increasing demand many green methods have been proposed for its synthesis mainly using the inexpensive glycerol as the starting material. It is a raw material for the synthesis of intermediates, building blocks and polymers.
Application
1,2-Propanediol may be used in the following processes:
- Green synthesis of propylene carbonate.
- Production of lactic acid by green catalytic oxidation.
- Propanal generation by catalytic dehydration.
Other Notes
The article number 398039-4X2L will be discontinued. Please order the single bottle 398039-2L which is physically identical with the same exact specifications.
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Classe de stockage
10 - Combustible liquids
wgk
WGK 1
flash_point_f
219.2 °F - closed cup
flash_point_c
104 °C - closed cup
ppe
Eyeshields, Gloves
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Microwave assisted process intensification of lipase catalyzed transesterification of 1, 2 propanediol with dimethyl carbonate for the green synthesis of propylene carbonate: Novelties of kinetics and mechanism of consecutive reactions.
Yadav GD, et al.
Chemical Engineering Journal, 281, 199-208 (2015)
A novel Pd/C-catalyzed conversion of glucose to 1, 2-propanediol by water splitting with Zn.
Wang, J, et al.
Royal Society of Chemistry Advances, 5(63), 51435-51439 (2015)
Sustainability metrics for a fossil-and renewable-based route for 1, 2-propanediol production: A comparison.
Marinas A, et al.
Catalysis Today, 239, 31-37 (2015)