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Chimie industrielle

Propylene Glycol Monomethyl Ether (PGME)

Other Names: PM, Propylene glycol monomethyl ether, 1-Methoxy-2-propanol; PGME; 1-Methoxypropan-2-ol; polypropylene glycol methyl ether; propylene glycol 1-methyl ether; PM; 1-Methoxy-2-hydroxypropane; Methoxy Propanol; 2-Methoxy- 1 -Methyl Ethanol; CAS No.: 107-98-2 Molecular formula: CH3OCH2CH(OH)CH3 Propylene glycol methyl ether (PGME) is a clear, colorless liquid with an ether-like odor. PGME is completely soluble in water with moderate volatility. It is thermostable, not corroded equipment and has a low surface tension. Use PGME is often used as: • solvent for various natural and synthetic resins, fats and oils; • raw material for organic synthesis; • deputy E – number of solvents; • industrial cleaner. Physical properties

Molar weight g/mol 90.2
Density, at 20°C g/cm3 0.962
Melting point °C -97
Boiling point °C 118
Flash point °C 32
Vapor Pressure, at 25 0C hPa 15.7
Autoignition temperature °C 287
Specific gravity   0.96
Explosion limits % 1.8-16
Refractive index n20/D 1.403

Quality Standard:

Item

Propylene glycol monomethyl Ether (electronic grade)

Appearance

Colorless transparent liquid

Assay, %

99.80

Moisture, %

0.05

Acidity (as HAC), %

0.01

Chroma, (Pt-Co)

10

Metal content

Na        ≤ ppb

10

K        ≤ ppb

10

Ca        ≤ ppb

10

Mg        ≤ ppb

10

Fe        ≤ ppb

10

Cu        ≤ ppb

10

Al        ≤ ppb

10

Safety Eye contact with PGME may cause slight temporary irritation, although corneal injury is unlikely. Prolonged or repeated skin contact may cause irritation. Prolonged skin contact with very large amounts may cause dizziness or drowsiness. PGME has very low toxicity if swallowed. Package: • Steel drum, 190 kg, • Steel drum, 1000 L, • 20′ FCL, 24tons.

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