Itemstandard

BP98

BP2000

USP24

E211

Pharmacopoeia GB-2000

FCC4

Appearance

White, powder, particle or banding and with styrax benzoin smell

Content(as dried base)%

≥99.0%- ≤100.5%

≥99.0%- ≤100.5%

99.0%- ≤100.5%

≥99.0%- ≤100.5%

≥99.0%- ≤100.5%

≥99.0%- ≤100.5%

Loss on drying%

≤2.0

≤2.0

≤1.5

≤1.5

≤1.5

≤1.5

Heavy metals

≤10ppm

≤10ppm

≤10ppm

10ml/kg

≤10ppm

≤10ppm

As

-

-

≤3ppm

3ml/kg

5ppm

≤3ppm

Pb mg/kg

-

-

-

5

-

-

Hg mg/kg

-

-

-

1

-

-

Transparency and color

According to Y,

-

-

-

-

-

Acidity alkalinity

Qualified with regulations

Qualified with regulations

-

0.25ml/0.1N

Qualified with regulations

Qualified with regulations

Chloride

≤200ppm

≤200ppm

-

-

-

≤200ppm

Chlorinated compounds

≤300ppm

≤300ppm 

-

<600ppm

-

Polycyclic acids

-

-

-

passing test

-

Fusion point℃

-

-

-

121.5-123.5

-

Compounds easy to oxide

-

-

-

Passing test

-

Dissoluble state

-

Passing test

-

-

-

1. Packing: food grade, in plastic internal bag and external knitted or paper-made bag with a net weight of 25kg/bag.

2. Applications: as preservative, anti-microorganism agent used widely as mordant, plasticizer and antifreeze solution.