Diacetone-D-glucose 582-52-5 C12H20O6 98%min White powder,98%min

Appearance White powder Assay(on dried basis) 98.0~102.0% Loss on drying 3~9% Sulfate ≤0.2% Chloride ≤0.05% Reducing substances ≤1.0% Heay metal ≤0.001% Lead ≤10mg/kg Arsenic ≤3mg/kg Organic volatile Meet the requirement

Appearance White or almost white crystalline powder Clarity Clear Specific optical rotatio +23˚ ~+29˚ Water content 5.0% max PH(250mg/ml in water) 4.5-7.0 Total Ash 0.1%max PH 1.0--3.0 Calcium

Appearance Blue crystalline powder or grain Assay 98-102% Chloride 0.07% max Sulphate 0.05% max Arsenic 3ppm max Lead 0.0025% max Reducing substances 1.0% max

Appearance Light yellow with gray or gray-green powder or granules Identification meets the requirements Organic volatile impurities meets the requirements Reducing substances meets the requirements Oxalic acid meets the requirements Assay（on dry basis) 97.0%-102.0% Water 6.5-10.0% Chloride 0.07% max Sulfate 0.1% max Lead 0.001% max Mercury 3ppm max Arsenic 3ppm max Fe(3+) 2.0% max

Appearance White crystal or powder Identification meets the requirements Organic volatile impurities meets the requirements Reducing substances meets the requirements Assay（on dry basis) 97.0%-102.0% PH 5.5-7.5 Water 11.6% max Chloride 0.05% max Sulfate 0.05% max Lead 0.001% max Arsenic 3ppm max Cadmium 5ppm max

Appearance White powder, odorless Assay 90%min Glucose + fructose + sucrose 10% max PH 5.0-7.0 Total ash 0.4% max Heay metals 10ppm max Microbial Content Total plate count: 1000cfu/g max Mould and yeast: 100cfu/g max Colon bacillus: Negative Salmonella pr.25gram: Negative

Appearance Clear, colorless, syrupy liquid with sweet taste Solid Content(%) 69-71 Water(%) 29-31 Sorbitol Assay(%) ≥71.4 Ph 5.0-7.5 Conductivity(µs/cm) ≤10 Relative density(d2020) 1.285-1.315 Reducing sugar(%) ≤0.21 Total sugar(%) ≤8.0 Residue on ignition(%) ≤0.10 Hevy metal(%) ≤0.0005 Lead(pb)(%) ≤0.0001 Arsenic(%) ≤0.0002 Chloride(%) ≤0.001 Sulphate(%) ≤0.005 Nickel(%) ≤0.0002 Total plate count(cfu/g) ≤100

Appearance White crystalline powder Assay 98%min Loss on drying 1.0% max Specific optical rotation +98.0˚~+105.0˚ Chloride 0.02% max Sulfate 0.02% max Residue on ignition 0.1% max Heay metals(as Pb) 10ppm max

Appearance White crystalline powder Visual Assay 98%min HPLC-E Odor Characteristic Organoleptic Powder size 100% through 30mesh 30mesh screen Bulk density 0.40-0.50g/cm3 USP34-NF29 Loss on drying 13%-17% USP34-NF29 Melting point 78-82℃ USP34-NF29 Optical Rotation 103-108。 USP34-NF29 PH 5.50-6.50 USP34-NF29 Residue on ignition 0.1% max USP34-NF29 Residue Ethanol 0.5% max USP34-NF29 Total heay metals 10μg/g max USP34-NF29 As 2μg/g max ICP-MS Cd 2μg/g max ICP-MS Pb 2μg/g max ICP-MS Hg 0.5μg/g max ICP-MS Total plate count 1000cfu/g max USP34-NF29 Molds and Yeasts 100cfu/g max USP34-NF29 Salmonella Absence USP34-NF29 E.Coli Absence USP34-NF29 Staphylococcus aureus Absence USP34-NF29

Appearance White crystal, no impurities, sweet taste, no peculiar smell Trehalose content （%） ≥99% PH 5.0~6.7 Burning residual (%) ≤0.02 Dry weight loss (%) ≤1.0 Lead (Pb) (mg/kg) ≤1.0 Arsenic (As) (mg/kg) ≤1.0 The total number of colonies (cfu/g) ≤400 pathogenic bacteria Not detected Coliform bacteria MPN/100g negative

Appearance Light yellow oil Assay 95%min Impurity 1%max Water 0.5%max