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1,2-Propanediol

SIAL/398039 - ACS reagent, ≥99.5%

Synonym: 1,2-PDO; Propylene glycol

CAS Number: 57-55-6
Empirical Formula (Hill Notation): C3H8O2
Molecular Weight: 76.09
EC Number: 200-338-0
MDL Number: MFCD00064272
Linear Formula: CH3CH(OH)CH2OH
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-398039-25ML 25 mL
$46.50
1/EA
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45-398039-500ML 500 mL
$79.00
1/EA
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45-398039-2L 2 L
$300.00
1/EA
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anion traces chloride (Cl-): ≤1 ppm
assay ≥99.5%
autoignition temp. 779 °F
bp 187 °C (lit.)
color APHA: ≤10
density 1.036 g/mL at 25 °C (lit.)
expl. lim. 12.5 %
form liquid
grade ACS reagent
ign. residue ≤0.005%
impurities ≤0.0005 meq/g Titr. acid
  ≤0.2% water
InChI 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
InChI key DNIAPMSPPWPWGF-UHFFFAOYSA-N
mp −60 °C (lit.)
Quality Level 200 
refractive index n20/D 1.432 (lit.)
SMILES string CC(O)CO
vapor density 2.62 (vs air)
vapor pressure 0.08 mmHg ( 20 °C)
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.
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.
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.
Packaging: 2 L in poly bottle
Packaging: 25, 500 mL in poly bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) 219.2 °F - closed cup
Flash Point(C) 104 °C - closed cup
Purity ≥99.5%
bp 187 °C (lit.)
mp −60 °C (lit.)
Density 1.036 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.432 (lit.)
UNSPSC 12352100

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