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Catalog number DY0261
CAS number 117-39-5
EC# 204-187-1
Molecular formula C15H10O7
Product name Quercetin
Chemical Name Quercetin
Molecular Structure 117-39-5
Technical Data

Index Name

Specifications

Appearance

Yellow powder

Meting point

305 to 315 degC

Identification

Must positive

Particle size

100% pass through 80mesh

Related substance

Must qualified

Sulfate

1000 ppm max

Chloride

1000 ppm max

Bulk density

0.2 gm/cc min

Tapped density

0.3 gm/cc min

Heavy metals

10ppm max

Arsenic

1 ppm max

Lead

3 ppm max

Cadmium

1 ppm max

Mercury

0.1 ppm max

Ash

0.3% max

Loss on drying

9.5% to 12.5%

Assay by UV

98.0% to 102.0%

Total plate count

1000cfu/G max

Yeast & mold

100 cfu/G max

E.Coli

Negative

Salmonella

Negative

Coliforms

10cfu/g max

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