Vitusa Products, Inc.

343 Snyder Avenue

Berkeley Heights, NJ 07922

tel. 908-665-2900  fax. 908-665-2662


 


Technical Information
Propylene Glycol, USP



CHEMICAL NAME:

1,2 propanediol
DESCRIPTION: A relatively nontoxic liquid that is practically colorless, odorless, and tasteless.
APPLICATIONS:

A solvent for flavors, extracts, drugs, and food antioxidants; a heat transfer medium; an emollient and humectant and plasticizer for tobacco products, baked goods, coconut, cellophane, cork, adhesives, and paper products; a lubricant and mold inhibitor for food processing equipment; a humectant for pet food.

CAS NUMBER: 57-55-6
MOLECULAR WEIGHT: 76
STRUCTURE: HO-CH-CH2-OH
       
|
      CH


 


SPECIFICATIONS:  
 

 

          Acidity (as acetic acid), wt. %                                 0.002 max.

          Appearance                                                            Substantially free of suspended matter

          Ash, wt. %                                                              0.005 max.

          Chlorides as Cl, ppm                                               0.5 max.

          Color, Pt-Co                                                          10 max.

          Heavy metals as Pb, ppm                                        5 max.

          IR spectra                                                               Passes

          Propylene Glycol, area % by gas chromatography    99.5 min.

          Specific gravity, 25/25wC                                         1.0350 min.

          Sulfate, ppm                                                            60 max.

          Volatile organic impurities                                        Passes

          Water, wt. %                                                           0.2 max.

 


 


PHYSICAL PROPERTIES: 
   


Arsenic, ppm 1 max.
Boiling range,
     ASTM, wC, IBP 185 min.
     ASTM, wC, DP 189 min.
Flash point, PMCC, wF 212
Freezing point, wC <-76
Refractive index, 25wC 1.4300 min., 1.4324 max.
Specific gravity, 25/25wC 1.0350 min., 1.0370 max.
Vapor pressure, 20wC, mm Hg  <1
Viscosity, 20wC, cp  60
Water solubility  >10
Weight, 20wC, lb/gal 8.64


 


REGULATORY INFORMATION:


DOT Classification  not regulated
Freight Classification propylene glycol
TSCA Inventory listed on or exempt
WHMIS Classification not regulated
Canadian DSL listed on or exempt
European EINECS listed on or exempt
Australian AICS listed on or exempt
Japanese MITI listed on or exempt

 


 


HANDLING, STORAGE and SHIPPING:

Propylene Glycol USP is a high-purity material which must be handled with special precautions to avoid contamination.  Under ordinary conditions, mild steel is a satisfactory material of construction; however, for long term storage and where iron contamination and color are objectionable, stainless steel or aluminum vessels are recommended.  For additional information on handling and storage of PG-USP, please read the Material Safety Data Sheet.  Product is available in barges, lined tank cars and dedicated tank trucks, and 55-gallon non-returnable drums, 480 pounds net weight.  Certain government regulations may apply at the time of shipment.

 



The information herein is believed to be reliable.  However, no warranty, expressed or implied, is made as to its accuracy or completeness and non is made as to merchantability of the material or its fitness for any purpose.  The manufacturer or Vitusa Products shall not be liable for consequential damage to persons or property resulting from its use.  Nothing herein shall be construed as a recommendation for use in violation of any patent or license.



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