Sincere Union Imp & Exp Co., Ltd.

Zinc Oxide, Zinc White, ZnO manufacturer / supplier in China, offering Pharmaceutical Grade USP34/Bp2012/Ep7 Zinc Oxide with GMP DMF, Plastic Anti-Static Masterbatch, Electroplating Grade Cobalt Sulfate Hept 21% and so on.

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Pharmaceutical Grade USP34/Bp2012/Ep7 Zinc Oxide with GMP DMF

FOB Price:US $2,700 - 4,300 / Ton
Purchase Qty. (Tons) FOB Price
1-9 US $4,300 / Ton
10+ US $2,700 / Ton
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Min. Order: 1 Ton
Production Capacity: 1100ton
Transport Package: 25kg Woven Bags Lined with Plastic Bag
Payment Terms: L/C, T/T, D/P

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Basic Info.

Model NO.:Pharmaceutical Grade USP34
Classification:Zinc Oxide
Grade Standard:Medicine Grade
Kind:Alkaline Oxide
Quality:First Class
CAS:1314-13-2
Mf:ZnO
Trademark:MetalsKingdom
Specification:GMP + DMF
Origin:China
HS Code:28170010

Product Description

manufacturer of Zinc Oxide Pharmaceutical grade BP/USP/EP with GMP and DMF  from China-Sincere Union

CAS NO. : 1314-13-2
EINECS: 215-222-5
Molecular Formula : ZnO
Molecular Weight : 81.38
Properties : White powder,stable under normal temperature, good hiding power and colouring power.Insoluble in water and alcohol ,soluble in acid ,alkali and amkonium solution. 
Use : Zinc Oxide Pharmaceutical Grade USP34 is mainly used for bandage,medicine,cosmetic,plaster,adhesive plaster,dental impression   pastezinc ointment and etc 
Storage : Store at a cool and dry place.
Packing : 25Kg woven bags lined with plastic bag(special packing can be made according to clients' requirement). 
Specification: Zinc Oxide Pharmaceutical Grade USP34( %

Idex item

Standard

Assay(ZnO)

99.0%-100.5%

identification

A:When stongly heated,it assumes a yellow color

 

that disappears on cooling

 

B:Asolution of it in a slight excess of 3N

 

hydrochloric acid responds to the tests for

 

Zinc<191>

Alkalinity

Mix 1.0g with 10ml of hot water,add 2 drops of

 

phenolphthalein TS,and filter;if a red color

 

is produced.not more than 0.30ml of 0.10 N

 

hydrochloric acid is required to discharge it

Loss on ignition

not more than 1.0%

As

not more than 6ppm

Carbonate and color of solution

Mix 2.0g with 10ml of water,add 30ml of 2N

 

sulfuric acid,and heat on a steam bath,with

 

contant stirring;no effervescence occours

 

and the resulting solution is clear and colorless

Lead(Pb)

Add 2g to 20ml of water ,stir well ,add 5 ml of glacial acetic acid, and warm on a steam bath until solution is effected,the addition of 5 drops of potassium chromate TS produces no turbidity or precipitate

Iron and other heavy metals

Cooled 5ml portions of the solution obtained in the test for carbonate and color of solution yield white precipitates with potassium ferrocyanide TS and with sodium sulfide TS

Assay

-Dissolve about 1.5 g of freshly ignited Zinc Oxide, accurately weighed, and 2.5 g of ammonium chloride in 50.0 mL of 1 N sulfuric acid VS with the aid of gentle heat, if necessary.
When solution is complete, add methyl orange TS, and titrate the excess sulfuric acid with 1 N sodium hydroxide VS. Each mL of 1 N sulfuric acid is equivalent to 40.69 mg of ZnO.

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