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Propylene glycol

CAS:
57-55-6
MF:
C3H8O2
MW:
76.09

Properties

Melting point:
-60 °C
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)
FEMA 
2940 | PROPYLENE GLYCOL
refractive index 
n20/D 1.432(lit.)
Flash point:
225 °F
storage temp. 
Store at RT.
form 
Viscous Liquid
pka
14.49±0.20(Predicted)
color 
APHA: ≤10
Specific Gravity
1.038 (20/20℃)1.036~1.040
PH
6-8 (100g/l, H2O, 20℃)
explosive limit
2.4-17.4%(V)
Water Solubility 
miscible
Sensitive 
Hygroscopic
JECFA Number
925
Merck 
14,7855
BRN 
1340498
InChIKey
DNIAPMSPPWPWGF-UHFFFAOYSA-N

Safety Information

Safety Statements 
24/25
WGK Germany 
1
RTECS 
TY2000000
Autoignition Temperature
779 °F
TSCA 
Yes
HS Code 
29053200
Toxicity
LD50 orally in Rabbit: 19400 - 36000 mg/kg LD50 dermal Rabbit 20800 mg/kg

Use

1. It is used as a resin, a plasticizer, a surfactant, and materials for emulsifier and demulsifier. It is also used as antifreeze and heat carrier. 2. It is used as gas chromatography stationary phase, solvents, antifreeze, a plasticizer and a dehydrating agent. 3. A carrier solvent; wetting agents; moisturizing agents; anti-caking agents; antioxidants; texturizing agents; surfactant; stabilizer; a thickener; dough modifiers; emulsifiers; flavoring agents; excipient; processing aids.GB2760-96 lists it as food processing aids. It is mainly used as solvents for a variety of flavors, colors and preservatives, and as extraction solvents for vanilla beans, roasted coffee grains and natural spices. It is used as moisturizing agents and softeners for candy, bread, packaged meats and cheese. It is also used as mildew agents for noodles and sandwiches class. Addition of 0.006% in soymilk enables the flavor not to change upon heating and produces white glossy packaging tofu, which undergoes volume expansion when fried. 4. Propylene glycol is an intermediate for fungicide difenoconazole. 5. It is used a solvent. Preservatives, colorings, antioxidants and other poorly water-soluble food additives can be dissolved therein, which is then added into food; it is strongly hygroscopic and has food moisturizing and anti-freeze effect. China stipulates its use for pastry, and the maximum usage is 3.0g/kg. 6. 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. 7. It is used as a drug carrier, and agents for drug particles. It can be used as humectants, softeners, solvents and the like in cosmetics. It can be used as tobacco flavor, tobacco moisturizing agents, preservatives and the like in the tobacco industry. It can be used as flavor, food coloring solvents, food packaging softeners, food release agent and the like in food industry. It can also be used for the production of unsaturated polyester resins, and is also raw materials for plasticizers, dehydrating agents, surfactants, curing agents and binders. It can also be used in paints, pesticides, coatings and other industries. 8. It is used in aviation de-icing fluid, refrigerant and antifreeze, food and spices, fragrances, cosmetics and personal care products, heat transfer fluids, hydraulic and brake fluids, paints and coatings, pet food/animal feeding stuffs, medicines, polyurethane, unsaturated polyester resin and the like.

470 supplier list of "Propylene glycol"

  • Product Name:Propylene glycol
  • Products Intro:Purity: USP | Package: 1KG;4USD
  • Type of Enterprise: Reagent
  • Country/Region: CHINA
  • TEL: 86-0551-65418684 18949823763
  • Product Name:1,2-Propanediol | Propylene glycol
  • Products Intro:Purity: 99.5% | Package: 20000KG;1.24USD
  • Type of Enterprise: Trader
  • Country/Region: CHINA
  • TEL: +86-531-88989536
  • Product Name:Propylene glycol
  • Products Intro:Purity: 99% | Package: 1KG;1USD
  • Type of Enterprise: Trader
  • Country/Region: CHINA
  • TEL: 86-371-61312303
  • Main Products: Catalyst and Auxiliary Pharmaceutical Intermediates Food and Feed Additives Flavors and Fragrances Plant Extract Fine Chemical
  • Product Name:Propylene glycol
  • Products Intro:Purity: 99% | Package: 100g,500g,1KG,10KG,100KG
  • Type of Enterprise: Reagent
  • Country/Region: CHINA
  • TEL: +86-371-55531817
  • Main Products: Speciality Chemicals
  • Product Name:57-55-6
  • Products Intro:Purity: 0.99 | Package: 25KG,5KG;1KG;500G
  • Type of Enterprise: Trader
  • Country/Region: CHINA
  • TEL: 0371-55170693
  • Product Name:1,2-Propanediol
  • Type of Enterprise: Trader
  • Country/Region: CHINA
  • TEL: +86-021-57951555

    US $0.00/ 0KG

  • Product Name:1,2-Propylene glycol
  • Products Intro:Purity: 99% | Package: 0KG;0USD
  • Type of Enterprise: Trader
  • Country/Region: CHINA
  • TEL: +86-21-33585366 E-mail:sales03@shyrchem.com
  • Product Name:Propylene glycol
  • Products Intro:Purity: 99% min | Package: 210kg drum | CustNote: Pharm grade
  • Type of Enterprise: Trader
  • Country/Region: CHINA
  • TEL: 022-66880623

    US $150.00/ 1KG

  • Product Name:Propylene Glycol
  • Products Intro:Purity: 99% | Package: 1KG;150USD
  • Type of Enterprise: Trader
  • Country/Region: CHINA
  • TEL: +86-13582176207

    US $10/ 1ASSAYS

  • Product Name:1,2-PROPYLENE GLYCOL
  • Products Intro:Purity: 99%|Package: 1ASSAYS;10USD
  • Type of Enterprise: Trader
  • Country/Region: CHINA
  • TEL: +8613292890173
  • Main Products: pmk powder CAS 13605-48-6,Bmk powder CAS 16648-44-5,Cas 99918-43-1 N-phenylpiperidin-4-amine,dihydrochloride

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