L(-)-Carnitine CAS NO.541-15-1

Appearance             White crystals or crystalline powder   White crystalline powder    Organoleptic

Identification            IR                                 Positive                    USP<197>

Appearance of Solution   Clear and Colorless                  Clear and Colorless         Ph.Eur.2.2.1

Specific Rotation        -29.0°~-32.0°                       -31.20°                    USP<781>

PH                     5.5~9.5                             7.43                       USP<791>

Loss on Drying           ≤0.5%                              0.34%                      USP<731>

Assay                   97.0%~103.0%                       99.68%                     Titration

Residue on Ignition       ≤0.1%                              0.03%                      USP<281>

Residual Solvents:

Residue Acetone          ≤1000ppm                         Conforms                   GC

Residue Ethanol          ≤5000ppm                          Conforms                   GC

Heavy Metals             ≤10ppm                            <10ppm                    USP<231>

Arsenic                  ≤1ppm                             <1ppm                      USP<211>

Chloride                 ≤0.4%                              <0.4%                      USP<211>

Potassium                ≤0.2%                             <0.2%                      USP<851>

Sodium                  ≤0.1%                              <0.1%                      USP<851>

Cyanide                  Absent                             Absent                     Ch.P.2010Appendix Ⅷ F Method Ⅰ

Lead                     ≤3ppm                             <3ppm                     USP<251>

Mercury                  ≤0.1ppm                           <0.1ppm                    USP<730>

Cadmium                 ≤1ppm                             <1ppm                      USP<233>

Total Plate Count         ≤1000Cfu/g                         30Cfu/g                    USP<2021>

Yeast & Mold             ≤100Cfu/g                          10Cfu/g                    USP<2021>

E.Coli                    Negative                           Negative                   USP<2022>

Salmonella                Negative                           Negative                   USP<2022>

We certify that this batch of L-Carnitine conforms to the current USP.

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High-performance material monomers, Polyimide，Colorless polyimide film. Applied to alignment layer for LCD, Aviation Fields and Optical Fields

OLED/OPV/PSC/DSSC/ materials and intermediates

Chemicals for organic light emitting materials, Solar Cell, Organic photovoltaic cell and OTFT-LCD.

Specialty Chemicals， Fine Chemicals

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Pharmaceutical chemicals(API), Cosmetics，Food additives and plant extract.