[Products Name]                   Alpha Ketoglutaric Acid

[Molecular Formula]             C₅H₆O₅

[CAS No.]                                 328-50-7

[Product Description]
1) Description: White or pale yellow crystalline powder
2) Odor: Characteristic
3) Identification: Positive
4) Assay (by HPLC): Not less than 98.5%
5) Transmittance: > 98% (1g in 100ml H2O)
6) Water: Not more than 0.5%
7) Residue on ignition: Not more than 0.2%
8) Heavy metals( as pb): Not more than 10ppm
9) Chloride: Not more than 200ppm
10) Sulfate: Not more than 200ppm
11) NH4+: Not more than 200ppm
12) Fe3+: Not more than 30ppm
13) Melting point: 110-118 celsius degree
14) Total aerobic counts: <1000 cfu/g
15) Mould/Yeasts: <100 cfu/g
16) E. Coli: Negative
17) Salmonella: Negative