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Monopropylene Glycol CAS 57-55-6

Molecular Formula: C3H8O2

Formula Weight: 76.09

ZSpharmac: Monopropylene Glycol Supplier

Product Name: Monopropylene Glycol
CAS No: 57-55-6
Purity: 99%

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Basic Info

Product Name:Monopropylene Glycol
Other Names:Propylene Glycol
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Viscous Liquid
EINECS No.:200-338-0
Storage:Store at +5°C to +30°C.
Provide:Monopropylene Glycol MSDS;
Monopropylene Glycol COA

What is Monopropylene Glycol?

Monopropylene Glycol is available in medical and industrial grades. Medical grade propylene glycol is a colorless clear viscous liquid; odorless, slightly sweet taste; hygroscopic; can be freely miscible with water, ethanol or chloroform; stable at room temperature, easy to form propionaldehyde, lactic acid, Acetone, acetic acid.

Monopropylene Glycol Property

Melting point 

-60 °C (lit.)

Boiling point 

187 °C (lit.)


1.036 g/mL at 25 °C (lit.)

vapor density 

2.62 (vs air)

vapor pressure 

0.08 mm Hg ( 20 °C)

refractive index 

n20/D 1.432(lit.)


225 °F

storage temp. 

Store at +5°C to +30°C.


Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)




Viscous Liquid


APHA: ≤10

Specific Gravity

1.038 (20/20℃)1.036~1.040


6-8 (100g/l, H2O, 20℃)

explosive limit


Water Solubility 



Monopropylene Glycol Uses

1. Monopropylene Glycol is an important raw material for the production of unsaturated polyester, epoxy material, polyurethane material, plasticizer as well as surfactant.

2. Utilized as plasticizer of alkyd resin and ink additive.

3. Monopropylene Glycol has superb bactericidal performance as well as wettability, and also can be miscible with lots of materials. It is a solvent for oil, paraffin, material, color, etc. It is utilized as a moistening representative and liquifying representative in top-quality antifreeze.

4. In the paint market, propylene glycol has a reduced freezing point as well as can be mixed with water in any kind of proportion. After it is blended with water, it can significantly minimize the total freezing point of the paint as well as improve the antifreeze efficiency of the paint. Consequently, it is usually used as an antifreeze agent in paint, can protect against the paint from cold at 0 degrees. Because of its excellent compatibility with water and various other solvents and high boiling point, it is very easy to attain equilibrium in the water-based paint system, as well as it can additionally give the fluidity of the paint and make the paint completely dry slowly.

5. Antifreeze for airplane.

6. In the food market, it is utilized as an excellent solvent for different seasonings, pigments, and also preservatives; as a removal solvent for vanilla beans, roasted curry grains, and all-natural tastes; as a hydrating and also softening agent for sweet, bread, as well as packaged meat.

7. The cigarette industry is used as a moisturizer.

8. Used in the production of food emulsifier propylene glycol ester (the primary varieties are propylene glycol monostearate, propylene glycol monooleate, propylene glycol monolaurate).

9. It can be utilized as stabilizer, coagulant, anti-decomposition agent, and so on in cakes, and also can additionally be made use of as softener and emulsifier for gum-based sweets.

10. Fruit ripening preservative.

11. Pharmaceutical grade Monopropylene Glycol can be directly used as complementary material as well as response resources.

①. Straight utilized as complementary material:

Used as a solvent in the pharmaceutical sector to generate injections, eye declines, oral services, anti-bacterials, creams (tea), lotions, and so on;.

Monopropylene Glycol is used as a solvent and emollient in cosmetics, as well as propylene glycol can be located in nearly all forms of makeup, hair treatment items, creams, after-shaves, deodorants, mouthwashes, and also toothpaste. In cosmetics, toothpaste as well as soap, it is usually made use of as a moistening representative in mix with glycerin or sorbitol. It is utilized as a moisture-conditioning and also hair progressing agent in hair dyes.

②. Used as response raw material:.

Manufacturing of scent cyclohexanone-1,2- propanediol ketal, butanone-1,2- propanediol ketal, citral 1,2-propanediol acetal, benzaldehyde 1,2-propanediol acetal, etc.

Preparation of Monopropylene Glycol

Monopropylene Glycol Use Limit

FAO/WHO (1984): Cottage cheese, 5g/kg of its cream mixture (used alone or in combination with other carriers and stabilizers).
Japan (1998): Raw noodles, stuffing, cuttlefish smoked products ≤ 2%; skins of dumplings, siu mai, spring rolls, wontons, etc. ≤ 1.2%; other foods ≤ 0.6%.
GB2760~96: Pastry 3.0g/kg, gummies
FDA, §184.1666 (2000): 5% alcoholic beverages; 24% candy and icing; 2.5% frozen dairy products; 97% flavoring agents and flavor enhancers; 5% nuts and nut products; 2.0% other foods.

About Products:
If you need Monopropylene Glycol as a cosmetic raw material, please contact our service staff directly, and we will provide you with high-quality products at the best price.
As an experienced Monopropylene Glycol manufacturer and supplier, ZSpharmac will provide Monopropylene Glycol raw materials to customers all over the world for a long time.
Over the years, the company has been adhering to the spirit of “integrity management, strict quality control, customer first”, and has won unanimous praise from domestic and foreign customers.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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