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  • Propylene Glycol

Propylene Glycol

Certificate of Analysis

 

Product name:Propylene glycol pharma grade   Production Date:JAN.1,2018

Batch No.:   SH-180701A                       Expiry Date: JUL.1,2020

                                                                                 

Items               Unit            Specification                 Results       

Color                Apha color             10max                   10

Moisture             Weight %              0.1max                  0.048

Specific Gravity       25℃                  1.035-1.037               1.036

Refractive index       25℃                  1.4307-1.4317             1.431

Distillation range      (L),℃                 184-189                   185

Distillation range      (U),℃                 184-189                   189

Distillation volume     Vol%                 95min                   97.2

Identification         ——                   passed                  passed

Acidity               ml                    0.05max                 0.04

Chloride            Weight %               0.007max               0.007 

Sulfate              0.006max               0.006max               0.006

Heavy metals         ppm                   5max                   5

Residue on ignition   Weight %               0.007max                0.005

Iron                  ppm                  0.1max                   0.03

EG                weight ppm              50 max                   1

DEG                weight ppm              50 max                   1

Residue on ignition   weight %              0.007max                 0.005

Assay              GLC%                  99.8min                 99.91

Conclusion :meet USP40 standards

                              End of Test Data                      


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