caffeine

BOITH

Product Data

Rev. No.: OINO411

Commodity name:

Caffeine

Chemical Formula:

C8H10N4O2

CAS Number:

58-08-2

Physical & Chemical:

Appearance: White powder. Odor: Odorless. Solubility: 1 gm in 46 mls water. Specific Gravity: 1.23 ; pH: 6.9 (1% aqueous solution) ; % Volatiles by volume @ 21C (70F): 0 ; Boiling Point: 178C (352F) (sublimes) ; Melting Point: 238C (460F)

Packing Style :

50 kg drums.

Handling and Storage :

Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.

Shelf life :

two years

Specifications:

Properties	Values
Contents on dry basis (Ph. Eur.), %	98.5-101.0
Melting Point (USP 23), °C	235.0-237.5
Loss on drying (Ph. Eur.), % maximum	0.5
Sulfated ash (Ph. Eur.), % maximum	0.1
Sulfates (Ph. Eur.), ppm maximum	500
Heavy metals (USP 23), ppm maximum	10
Arsenic (USP 23), ppm maximum	3
Appearance of solution (Ph. Eur.)	Colorless & Clear
Acidity (Ph. Eur.)	Passes
Related substances (Ph. Eur.)	Passes
Readily carbonizable substances (USP 23)	Passes
Other alkaloids (USP 23)	Passes
Organic volatile impurities (USP 23)	Passes
Particle size: Residue on 150 µm - ASTM 100, % maximum	15

Price & Deliver:

PLS contact our Sale Dept. Manager

ADD: 19th Floor, HuaMin Building,No.9 HuBin East Road, XiaMen, China.

Telephone: 86(592) 5817016, 86(592) 5810053, 86(592) 5818391
Fax No. : 86(592) 5814960
All information by 2001 Oino Ltd. (China) & Updated 2003/03/15

E-mail: leeyuan@public.xm.fj.cn ; boith@21cn.com