Zhishang Chemical

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Propylene glycol CAS 57-55-6

Molecular Formula: C3H8O2

Formula Weight: 76.09

Purity: 99%

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Product Name: Propylene glycol
CAS No: 57-55-6

Basic Info

Product Name:Propylene glycol
Other Names:Reagent
Place of Origin:Shandong, China
Brand Name:Zhishang Chemical
Type:Monomer fragrance
Appearance:Colorless Liquid
EINECS No.:200-338-0
Storage:Cool Dry Place
Provide:Propylene glycol MSDS;
Propylene glycol COA


Product Categories:

Pharmaceutical raw materials; organic chemicals; organic solvents; alcohols; cosmetic standards; gas chromatography standards (color code); pesticide intermediates; triazole fungicides; fungicides intermediates; organic and inorganic chemicals; solvents and cosolvents; food processing Auxiliaries; food additives; stabilizers and coagulants; electronic cigarette oil; industrial raw materials; pharmaceutical excipients; biochemical reagents; chemical reagents; intermediates; organic chemical raw materials; inorganic salts; chemical products-organic chemicals; acidity regulators; Chemical raw materials; alcohols; organic alcohols; INORGANIC&ORGANICCHEMICALChemicalbookS; other oxygen-containing compounds; alcohol chemicals; analytical standards; general reagents; other biochemical reagents; Medicinegrade; inorganic compounds and salts; biochemistry; organic chemistry; reference materials; water retention Agents; emulsifiers; chemical products-organic solvents; organic raw materials; organic chemical raw materials; solvents; chemical raw materials-1; chemicals; main products; main products; pharmaceuticals, pesticides and dye intermediates; chemical materials; resins; organic chemical raw materials- Alcohols; cosmetic raw materials; propylene glycol; organic chemical raw materials; other raw materials and intermediates; monomer fragrances

Chemical Properties:

Colorless Liquid

Melting point -60 °C (lit.)
Boiling point 187 °C (lit.)
density 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.)
Fp 225 °F
storage temp. Store at +5°C to +30°C.
form Viscous Liquid
color APHA: ≤10


  1. Propylene Glycol is a humectant and flavor solvent that is a polyhy- dric alcohol (polyol). it is a clear, viscous liquid with complete solu- bility in water at 20°c and good oil solvency. it functions as a humectant, as do glycerol and sorbitol, in maintaining the desired moisture content and texture in foods such as shredded coconut and icings. it functions as a solvent for flavors and colors that are insoluble in water. it is also used in beverages and candy.
  2. Next to water, propylene glycol is the most common moisturecarrying vehicle used in cosmetic formulations. It has better skin permeation than glycerin, and it also gives a pleasant feel with less greasiness than glycerin. Propylene glycol is used as a humectant because it absorbs water from the air. It also serves as a solvent for anti-oxidants and preservatives. In addition, it has preservative properties against bacteria and fungi when used in concentrations of 16 percent or higher. There is a concern that propylene glycol is an irritant at high concentrations, though it appears to be quite safe at usage levels under 5 percent.
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: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food 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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