Product Description
PGUSP / PGF /Mpg / Pg / Propylene Glycol USP Grade CAS 57-55-6
CAS :57-55-6
MF: C3H8O2
EINECS:200-338-0
Grade: USP Grade / Food Grade
PG USP/EP has been classified as “Generally Recognized As Safe (GRAS)” by
the U.S. Food and Drug Administration (FDA) for pharmaceuticals as
an excipient and food and cosmetic additives.
Our picglobal Propylene Glycol USP/EP (PG USP/EP) is a high purity
product manufactured under KFDA approver, which meets all the
requirements of the current United States, European Pharmacopeias
and various other regulations/standards for pharmaceutical, food
and
cosmetic additives.
This product is a viscous, clear liquid with a weak characteristic
odor, and has a faintly sweet taste. PG with functional group of
diol has multiple properties of being antimicrobial, hygroscopic
and having very low volatility. In particular, it is soluble with a
broad range of solvents and water.
Product Parameters
| Item | Test Method | Data |
| Chemical Name | | 1,2-Propanediol |
| Formula | | C3H8O2 |
| Molecular Weigh , g/mol | | 76.10 |
| CAS No. | | 57-55-6 |
| EC(EINECS)No | | 200-338-0 |
| Surface Tension , mN/m , 25℃ | IS0304 | 36 |
| Refractive Index , 20℃ | ASTMD1218 | 1.4310-1.4330 |
25℃ Viscosity, mPas(cPs) 60℃ | ASTM D2849 | 48.6 8.4 |
20/20℃ Specific Gravity, 25/4℃ 60/4℃ | ASTM D4052 | 1.038 1.033 1.007 |
20℃ Vapor Pressure ,kPa 25℃ | ASTM D5482 | 0.011 0.017 |
| Specific Heat ,J/gK, 25℃ | ASTM E202 | 2.51 |
| Heat of Formation ,kJ/mol | ASTM D240 | -422 |
| Heat of vaporization ,kJ/mol, 25℃ | ASTME1719 | 67.0 |
Hash point ,℃, Open cup | PMOC | 104 |
Autoignition Temp ,℃ | ASTM E659 | 371 |
| Distlation Range , ℃, 1 atm | ASTMD1078 | 186-189 |
| Freezing Point,℃ | ASTM D2386 | -59 |
| Pour Point,℃ | ASTM D97 | -57 |
| Themal Conductivity ,W/m.K, 25℃ | ASTMD2717 | 0.2061 |
| Electrical Conductivity ,micro S/m, 25℃ | ASTM D4308 | 10 |
Products Usage
Medical ingredients
---Applied as solvent, moisturizer, and plasticizer to injections,
ointments, capsules, plasters and syrups.
Food Additives
---Applied as emulsifier, solvent, moisturizer, preservative,
dispersant, and stabilizer to bread, ice cream, liquid coffee,
beverages, noodles, processed products, and flavors.
Cosmetics Ingredients
---Applied as moisturizer, emulsifier, solvent, and conditioner to
makeup, skin&hair cair, and cleansing products.
Personal Care Ingredients
---Applied as moisturizer, emulsifier, solvent, and conditioner to
functional personal care products.
Package & Delivery
Package & Transport & Storage
Packaged and transported as
• ISO & Flexitanks, IBC bags, coated steel, and plastic drums
(HDPE)
Transportation
• Strategically located terminal facilities
• Storage with nitrogen purged : no contact with air or moisture
Storage
• In a single-stage load at 40 degrees or less
• No direct sunlight or UV
• After opening, keep the lid closed
• When storing in a tank, nitrogen padding is recommended
