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CAFFEINE ANHYDROUS AR

Suitable for determination of Serum Bilirubin (Confirm to IP)
1,3,7-Trimethylxanthine; Coffeinum

COAs

Packings

100 g (00100)

250 g (00250)

1PW1200200 1PW1200750
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Article No. 02430 Grade AR
Purity 98.5% CAS No. 58-08-2
Molecular Formula C8H10N4O2 Molecular Weight 194.19
H.S. Code 2939.3000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 6.9
Melting point/ Freezing point [°C] 234 - 236°C Boiling point [°C] 178°C
Density [g/cm3] 1.23 Solubility in water [% weight] 1 gm in 46 mls water
Partition coefficient Log Pow octanol / water at 20°C 0.07

Specifications

Appearance Silky white crystals, white glistering needles or a white crystalline powder Assay (by HPLC) 98.5%-102.0% (on anhydrous basis)
Solubility Freely soluble in chloroform and in boiling water;Sparingly soluble in water and in ethanol (95%);slightly soluble in ether Identification 'A' & 'B' Passes IP test
Appearance of solution Solution S should be clear and colorless Related substance (by HPLC) -
Single maximum impurity NMT 0.1% Total impurities NMT 0.1%
Sulphated ash Max 0.1% Copper (Cu) Max 0.0002%
Iron (Fe) Max 0.0002% Lead (Pb) Max 0.0002%
Zinc (Zn) Max 0.0002% Loss on drying NMT 0.5%

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H302
 Precaution Statement: P264 - P270 - P301 + P312 - P501
Revision Date: 30-Oct-2026

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