Product Main

Specifications

 
Dongying Hi-tech Spring Chemical Industry Co.,Ltd
Certificate of Analysis
                                     
 
Product name:Propylene glycol pharma grade   Production Date:Aug.10,2012   Batch No.:HKXY/SD -120810A                Expiry Date: Feb,10,2014  
                                                          
Items               Unit            Specification             Results        
Color                Apha color             10max                   <10
Moisture             Weight %              0.2max                  0.067
Specific Gravity       25℃                  1.035-1.037               1.036
Refractive index       25℃                  1.4307-1.4317             1.431
Distillation range      (L),℃                 184-189                   184
Distillation range      (U),℃                 184-189                   189
Distillation volume     Vol%                 95min                   97.2
Identification         ——                   passed                  passed
Acidity               ml                    0.20max                 0.10
Chloride            Weight %               0.007max               <0.007 
Sulfate              0.006max%             0.006max               <0.006
Heavy metals         ppm                   5max                   <5
Residue on ignition   Weight %               0.007max                 0.002
Organic Volatile impurity Chloroform(µg/g)      60max               Non-detected
Organic Volatile impurity 1.4 dioxane(µg/g)  380max              Non-detected
Organic Voltile impurity methylene chloride(µg/g) 600max               Non-detected
Organic Voltile impurity trichloroethylene(µg/g)  80max                Non-detected
Assay              GLC%                  99.5min                 99.88
                              End of Test Data                               
For Further questions,please contact us.