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Caffeine Anhydrous

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Product Description

PRODUCT

Caffeine Anhydrous

CAS #

58-08-2

SYNONYM

1,3,7-Trimethylxanthine; 1H-Purine-2,6-dione, 3,7-dihydro-1,3,7-trimethyl-

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FORMULA

C8H10N4O2

Typical Product Specifications

IDENTIFICATION

Positive Reaction

ACIDITY

10 ml of solution S consumes 0.01 mol/l NaOH < 0.2 ml

APPEARANCE OF SOLUTION

Clear and Colorless

READILY CARBONIZABLE SUBSTANCES

No more color than matching fluid D

ASSAY

98.5 - 101.5%

OTHER ALKALOIDS

No precipitate is formed

HEAVY METALS

<= 10 ppm

SULFATE

<= 500 ppm

CHROMATOGRAPHIC PURITY

<= 0.1%

ORGANIC VOLATILE IMPURITIES

Meets the requirements

LOSS ON DRYING

<= 0.5%

SULPHATED ASH

<= 0.1%

MELTING POINT

234° ~ 239°C

PH

neutral

ODOR

wh. fleecy mass, powd. or need., odorless, bitter taste

MOLECULAR WEIGHT

194.22

DENSITY

1.23

SLIGHTLY SOLUBLE

in water, alcohol, ether

FREELY SOLUBLE

in chloroform

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