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HOME ->
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-> NATURAL CAFFEINE
NATURAL CAFFEINE 95%
Specifications
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ITEMS
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SPECIFICATIONS
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Appearance
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White powder
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Description
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Obtained from dried
fermented tea leaves (Camellia
sinensis)
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Odor
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Odorless
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Taste
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Characteristic bitter
taste
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Assay (HPLC)
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95.0% Min.
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Solubility
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Soluble in water;
sparingly soluble in alcohol
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Loss on Drying
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1.0% Max.
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Heavy Metals
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10 ppm Max.
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Microbiology:
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Total Plate Count
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1,000 CFU/g Max.
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Yeast & Mold
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100 CFU/g Max.
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E. Coli
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Absent / 1 g
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Coliforms
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Absent / 1 g
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Salmonella
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Absent / 25 g
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Pseudomonas
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Absent / 1 g
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NATURAL CAFFEINE 98%
(From Tea)
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ITEMS
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SPECIFICATIONS
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Appearance
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White powder
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Identification
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Positive
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Taste
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Bitter
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Loss on Drying
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0.50% Max.
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Bulk Density (Tapped)
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0.3 – 0.8 g/ml
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Particle Size
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100% thru 40 Mesh
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Caffeine (by HPLC)
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98.0% Min.
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Heavy Metals
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10 ppm Max.
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Microbiology:
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Total Plate Count
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3,000 CFU/g Max.
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Yeast & Mold
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300 CFU/g Max.
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Salmonella
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Negative
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E. Coli
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Negative
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NATURAL CAFFEINE ANHYDROUS USP
(Derived from Coffee)
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ITEMS
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SPECIFICATIONS
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Description
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A white crystalline
powder; sublimes readily
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Solubility
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Sparingly soluble in
water, freely soluble in boiling water, slightly soluble
in ethanol and in ether.
It dissolves in concentrated solutions of alkali
benzoates or salicylates
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Identification
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To Comply
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Water, % w/w
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Losses NMT 0.5%
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Melting Range
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Betn. 235°-237.5°C
after drying at 80° for 4 hours
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Residue on Ignition
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NMT 0.1%
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Arsenic
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NMT 3 ppm
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Heavy Metals
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NMT 0.001
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Readily Carbonizable
substances
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The solution has no
more color than matching Fluid D
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Organic Volatile
Impurities
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To Comply
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Other Alkaloids
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No ppt is formed
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Chromatographic Purity
Any individual
impurity
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NMT 0.1%
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Total impurity
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NMT 0.1%
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Assay
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NLT 98.5% & NMT 101%
on anhydrous basis
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