Chemical name: Propylene Glycol; 1,2-propanediol
Molecular formula: C3H8O2
Relative molecular weight: 76.09
Relative density20/20g/cm3:1.0351.039
Distillation range95%,vol: 184190
CAS NO.:57-55-6
Appearance: Colorless transparent or primrose yellow liquid
Packing:Packed in 200KG iron drums
Uses: It is the main material for making unsaturated polyester resin, and also as the material for plasticizer,ter resin,and also as the material for plasticizer, surface, active agent, emulsifying agent and demulsifier.
Storage:store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
1. Propylene Glycol Industrial grade
Molecular Weight: 76.095
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TESTS
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INDUSTRIAL GRADE SPECIFICATIONS |
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Description/
Appearance
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Colorless, viscous, clear hygroscopic liquid
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Identification
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IR test
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Assay (Purity)
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99.5% min
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Specific gravity
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1.037 1.039 g/cm3 at 25 °C
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Index of refraction
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1.431 1.433 nD20
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Acidity
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≤ 0.20 ml of 0.10 N NaOH
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sas Cl-
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10ppm
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Water/Moisture
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0.2% max
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Residue on ignition
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0.01%
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Distillation range
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180-190
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Color
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15 APHA
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Heavy metals
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6 ppm max
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Oxidizing substances
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Not required
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Reducing substances
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Not required
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Description: Mono Propylene Glycol
CAS No.: 55-57-6
Molecular Formula
Packed in 200KG iron drums ,
2. Propylene Glycol USP grade/Pharma grade
Molecular Weight: 76.095
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TESTS
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USP SPECIFICATIONS |
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Description/
Appearance
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Colorless, viscous, clear hygroscopic liquid without odor
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Identification
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IR test
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Assay (Purity)
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99.5% min
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Specific gravity
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1.035 1.037 g/cm3 at 25 °C
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Index of refraction
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1.431 1.433 nD20
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Acidity
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≤ 0.20 ml of 0.10 N NaOH
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Water/Moisture
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0.2% max
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Residue on ignition
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4.0 mg max
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Chloride
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5 ppm max
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Heavy metals(as Pb)
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5 ppm max
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sas SO42-
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10 ppm max
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Oxidizing substances
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Not required
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Arsenic
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5 ppm max
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Reducing substances
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Not required
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Organic volatile impurities
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