د ګرم پلور فلیکلین پوډر CA 2309-49-1

Product Name

Picrophylline

Specification

98%

Appearance

White powder

CAS No.

2309-49-1

Molecular formula

C9H12N4O3

Molecular weight

224.22

EINECS No.

218-994-1

Melting point

226°C

Boiling point

365.61°C (rough estimate)

Density

1.3055 (rough estimate)

Test items

Test standard

Test result

Test method

Character

A white to almost white crystalline powder

White crystalline powder

ZSQB12-2

HPLC

≥99%

99.9%

HPLC

Loss on dry

<1.0%

0.6%

USP41

Related substance

Isolate impurity ＜0.2%, total impurities＜1.0%

Conform

HPLC

Heavy metal

<10ppm

Conform

USP41

Pb

≤0.5ppm

＜0.5 ppm

USP41

Cd

≤0.5ppm

＜0.5 ppm

USP41

As

≤0.5ppm

＜0.5 ppm

USP41

Hg

≤0.1ppm

＜0.1 ppm

USP41

Residue on ignition

≤0.5%

0.1%

USP41

Ash content

≤ 0.5％

0.1%

USP41

Melting  point

227-232 ℃

229.5-231℃

USP41

Total Plate Count

≤1000cfu/g

≤10cfu/g

USP41<2021>/<2022>

Total Yeast&Mold

≤100cfu/g

Negative

USP41<2021>/<2022>

S. aureus

Negative

Negative

USP41<2021>/<2022>

Salmonrlla

Negative

Negative

USP41<2021>/<2022>

E.Coli

Negative

Negative

USP41<2021>/<2022>

Bulk Density

≥0.55g/ml

0.6g/ml

USP41