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Propylene Glycol (PG) CAS NO. 57-55-6

1. Product Introduction Propylene Glycol (PG) CAS NO. 57-55-6 Molecular Formula: C3H8O2 Propylene Glycol (PG) other names 1,2-Propanediol; 1,2-Dihydroxypropane; Methyl ethyl glycol (MEG); Methylethylene glycol; is a viscous, colorless liquid which is nearly odorless. PG is hygroscopic (attracts......

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1. Product Introduction

Propylene Glycol (PG)

CAS NO. 57-55-6

Molecular Formula: C3H8O2

Propylene Glycol (PG) other names 1,2-Propanediol; 1,2-Dihydroxypropane; Methyl ethyl glycol (MEG); Methylethylene glycol; is a viscous, colorless liquid which is nearly odorless. PG is hygroscopic (attracts water), has low toxicity and outstanding stability, as well as high flash and boiling points.


2. Specification or COA

Specification

Index

Result

Appearance

Colorless, viscous, clear hygroscopic liquid without odor

----

Identification

IR test

-

Assay (Purity)

99.5% min

99.68%

Specific gravity

1.035 – 1.037 g/cm3 at 25 °C

1.036

Index of refraction

1.431 – 1.433 nD20

1.433

Acidity

≤ 0.20 ml of 0.10 N NaOH

0.15

Water/Moisture

0.2% max

0.18%

Residue on ignition

0.004% max

0.003%

Chloride

5 ppm max

4

Heavy metals(as Pb)

5 ppm max

4

Sulphates(as SO42-)

10 ppm max

8

Oxidizing substances

Not required

--

Arsenic

5 ppm max

4

Color

5

5

Reducing substances

Not required

--

Organic volatile impurities

Chloroform: 60 ppm
1,4-dioxane: 400 ppm
Methylene chloride: 600 ppm
d. Trichloroethylene: 100 ppm

 

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3. Product application

Propylene Glycol (PG) is used in cosmetics, pharmaceuticals, and a wide range of other practical applications. Pharmaceutical-grade and industrial-grade are the two grades used.

Usage:

Adhesives, Sealants and Coatings

Alkyd Resins for Paint and Coatings

Latex Paints

UV-Curable Resins

Unsaturated Polyester Resins

Urethanes

Aircraft Deicing Fluids

Heat Transfer / Thermal Fluids (with a suitable inhibitor)

Hydraulic and Brake Fluids

Coolants and Antifreeze


4. Packing & Delivery

Standard export neutral packing in 215KG/drum, 20’FCL=80drums=17.2MT; 40’FCL=23.65MT.

Packing in ISO tank container of 24MT each.

Fresh stock of Propylene Glycol (PG) with immediate delivery


5. FAQ

What kind of packaging can Meiyachem provide?

Drums, IBC totes, ISO tank container and Flexitank.

Usually we supply the neutral packing to help push sales. Our packing is standardized in a manner which has proved successful in many export shipments. All the products were examined before packing and all packing material must be disinfected and immunized to comply with the regulations.

Can I expect shorter lead times and simpler processes from Meiyachem?

Yes. Long experience and an unmatched portfolio of products and services enable Meiyachem to meet the customer's needs in terms of quality, scheduling and energy efficiency. Our intent is to simplify processes wherever it makes sense.

What is Meiyachem doing about REACH?

Most of Meiyachem's products are pre-registered with the ECHA for REACH compliance. Some of items were full-REACH registered.

How can I place a sample order? and is there a charge?

Samples may be ordered via Meiyachem website and there is no associated charge.

What price can I get?

“Quick turnover and small profit” is a guiding principle of our sales promotion work. We maintain a flexible policy in price and make the maximum profit to customers.

Will Meiyachem be ISO certified?

Meiyachem is seeking ISO certification on its products.


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