Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

Our organization insists all along the quality policy of product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff as well as the consistent purpose of reputation 1st, purchaser first for Cas 64-17-5 , Phenylethylene Manufacturer , Acrylonitrile Raw Materials , Sincerely hope to build long term business relationships with you and we will do our best service for you.
Cas 79-20-9 Manufactor Propylene Glycol CAS 57-55-6 China Best Price – Chemwin Detail:

Product NamePropylene glycol

Molecular format:C3H8O2

CAS No:57-55-6

Product molecular structure:

Propylene glycol

Specification:

Item

Unit

Value

Purity

%

99.5 min

Color

APHA

10max

Water Content

%

0.05max

Appearance

-

Colorless transparent liquid,less smell

 

Chemical Properties

Propylene glycol is scientifically named as “1,2-propanediol”, and has a chemical formula of CH3CHOHCH2OH and a molecular weight of 76.10. There is a chiral carbon atom in the molecule. Its racemate is a hygroscopic viscous liquid and is slightly spicy. It has a specific gravity of 1.036 (25/4 °C), a freezing point of-59 °C, and a boiling point of 188.2 °C, respectively 83.2 °C (1,333 Pa). It is miscible with water, acetone, ethyl acetate and chloroform, and is soluble in ether. It is soluble in many essential oils, but is not miscible with petroleum ether and paraffin oil. It is relatively stable to heat and light, and is more stable at low temperatures. Its L-isomer has a boiling point of 187 to 189 °C and a specific optical rotation [α] of D20-15.0°. It can be oxidized at high temperatures to propionaldehyde, lactic acid, pyruvic acid and acetic acid.

Propylene glycol is a diol having the general nature of the alcohol. It can react with inorganic and organic acids to generate mono-or di-esters. It reacts with propylene oxide to generate ether, with hydrogen halide to generate halohydrin, and with acetaldehyde to generate methyl dioxolane.

 

Application:

Propylene glycol is used for similar applications as other glycols.
Propylene glycol is an important raw material for unsaturated polyester, epoxy resin, and polyurethane resin. The use amount in this area accounts for about 45% of the total consumption of propylene glycol. Such unsaturated polyester is used extensively for reinforced plastics and surface coatings. Propylene glycol is excellent in viscosity and hygroscopicity and is non-toxic, and thus is widely used as hygroscopic agent, antifreeze, lubricants and solvents in the food, pharmaceutical and cosmetic industry. In the food industry, propylene glycol reacts with fatty acid to give propylene ester of fatty acids, and is mainly used as food emulsifier; Propylene glycol is a good solvent for flavorings and pigments. Propylene glycol is commonly used as solvents, softeners and excipients, etc. in the pharmaceutical industry for the manufacture of various types of ointments and salves. Propylene glycol is also used as a solvent and a softener for cosmetic since it has good mutual solubility with various spices. Propylene glycol is also used as tobacco moisturizing agents, antifungal agents, food processing equipment lubricants and solvents for food marking ink. Aqueous solution of propylene glycol is an effective anti-freeze agent.


Product detail pictures:

Cas 79-20-9 Manufactor Propylene Glycol CAS 57-55-6 China Best Price – Chemwin detail pictures


Related Product Guide:

We pursue the administration tenet of Quality is exceptional, Provider is supreme, Name is first, and will sincerely create and share success with all clientele for Cas 79-20-9 Manufactor Propylene Glycol CAS 57-55-6 China Best Price – Chemwin , The product will supply to all over the world, such as: Algeria, Netherlands, Kuwait, Our market share of our products has greatly increased yearly. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future. We are looking forward to your inquiry and order.
  • We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
    5 Stars By Lauren from Ghana - 2017.11.20 15:58
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Brook from Portland - 2018.09.29 17:23
    Write your message here and send it to us