PPG 500

POLYPROPYLENE GLYCOL WITH AN AVRAGE MOLECULAR WEIGHT 500

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PPG 500 is a 100% active, polypropylene glycol surfactant with an average molecular weight of 500. Polyglycol 500 is colorless, clear, viscous liquid in appearance at room temperature with a mild, sweet odor. PPG 500, is completely soluble in water at 25 °C.

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BENEFITS

·         Compatible with a wide range of other liquids

·         Free of Suspended matter

SAFETY AND MSDS

Safe Use and Handling

 I.C.C polypropylene glycols are relatively easy to store and handle. They can be stored in bulk in steel tanks, which should be padded with nitrogen or any other inert gas to prevent air from entering the tank. If slight iron pickup and colour changes cannot be tolerated then the storage tanks should be constructed from stainless steel.

To ease the handling of polypropylene glycols somewhat, higher storage temperatures should be considered to keep the viscosity of the polyglycols within limits suitable for the pumping equipment available. The maximum storage temperature should not exceed 40°C to avoid the risk of product degradation. Pipelines may also require insulation and/or tracing to maintain suitable product temperatures.

Although PPGs have very low pour points, especially polyglycols 2000 and 4000 become very viscous at low temperatures. Consequently it is recommend that they be stored in tanks which are well insulated and heated. Externally located heating devices are preferable to internally sited ones. With external heating the risk of accelerating product deterioration is greatly reduced.

Similarly drums should be stored under cover, or preferably inside a warehouse, to maintain the temperature of the polyglycol at a level which allows for easy discharge.

The shelf life of properly stored bulk and unopened drums is, at least, 24 months.

 

Toxicological Information

Polyglycols 2000 and 4000 are considered to be low in acute oral toxicity, whereas polyglycols 400, 600, 1000 and 1200 are considered to be low to moderate in acute oral toxicity.

They cause no significant skin irritation or sensitization and are not reportedly absorbed in any appreciable amount. Direct contact with the eyes may cause slight temporary irritation, similar in character to that caused by mild soap. Consequently it is recommended that eye protection should be employed and viewed as the minimum level of safety equipment required when working with polypropylene glycols.

Please contact us for safety and regulatory details or the Material Safety Data Sheet (MSDS).

TECHNICAL DATA

Appearance at 25°C

Clear liquid

Active Substance (ca.)

100%

Specific gravity at 25°C

1.007

Odor

Polyol

Odor intensity

Mild

Pour point, °C

-45

Refractive Index, at 25 °C

1.447

Specifications


Acid Value, max

1

Water, wt. % max

0.15

Color, APHA max

25

Hydroxyl Value

250-276

pH, apparent (5% in 1:1 IPA/water)

5.0-7.0

Average Molecular Weight (calculated)

500

APPLICATION

·         PPG 500 is water-soluble and can be used as a chemical intermediate for fatty acid esters, in mold release applications, in lubricant bases and as components for urethane resins

·         This product is used as dust adhesive fluids

·         solvent/couplers for inks and pesticide formulations

·         PPG 500 is also used to make resins, fatty acid esters, lubricants, metal working fluids and as plasticizer

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