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1,2-Propanediol

Catalog No. 16033 Name Sigma Aldrich
CAS Number 57-55-6 Website http://www.sigmaaldrich.com
M. F. C3H8O2 Telephone 1-800-521-8956
M. W. 76.09442 Fax
Purity ≥99.5% Email
Storage Chembase ID: 89668

SYNONYMS

Title
1,2-丙二醇
IUPAC name
propane-1,2-diol
IUPAC Traditional name
1,2-propanediol
Synonyms
丙二醇
Propylene glycol

DATABASE IDS

MDL Number MFCD00064272
PubChem SID 24849863
EC Number 200-338-0
CAS Number 57-55-6
Beilstein Number 1340498

PROPERTIES

Auto Ignition Point 779 °F
Boiling Point 187 °C(lit.)
Density 1.036 g/mL at 25 °C(lit.)
Flash Point 103 °C
Flash Point 217.4 °F
Melting Point -60 °C(lit.)
Refractive Index n20/D 1.431-1.433
Refractive Index n20/D 1.432(lit.)
Vapor Density 2.62 (vs air)
Vapor Pressure 0.08 mmHg ( 20 °C)
Explode Limits 12.5 %
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves
RTECS TY2000000
German water hazard class 1
Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Ignition Residue ≤0.005% (as SO4)
Impurities acidic reac. impurities, complies
Impurities organic volatile impurities, complies (GC)
Impurities oxidizing substances, complies
Impurities reducing matter, complies
Impurities residual solvents, complies
Impurities ≤0.0005% heavy metals (as Pb)
Impurities ≤0.002% free alkali (as NaOH)
Impurities ≤0.003% free acid (as CH3COOH)
Impurities ≤0.2% water (Karl Fischer)
Linear Formula CH3CH(OH)CH2OH
Purity ≥99.5%
Quality meets analytical specification of Ph. Eur., BP, USP
Suitability complies for appearance of solution

DETAILS

Description (English)
Packaging
bottled under inert gas
Description (简体中文)
包装
在惰性气体中装瓶

REFERENCES