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    Home > Natural Products > Alkaloids > 8-Chlorotheophylline
    8-Chlorotheophylline structure

    8-Chlorotheophylline

    • CAS No:

      85-18-7

    • Formula:

      C7H7ClN4O2

    • Synonyms:

      NSC 6113;Theoclate;AKOS BBS-00006435;8-Chlorothephyline;chlorotheophylline;8-chloro-theophyllin;8-CHLOROTHEOPHYLLINE;LABOTEST-BB LT00138074;Theophylline, 8-chloro-;8-Chlorotheophylline,99%

    • China Export:

      From 2018.11 to 2019.11, total export volume of 8-Chlorotheophylline from China was 112,377,052KG while total export value was $2,146,929,254. The biggest proportion of exporting volume in the last 12 months was 9.88% in 2019.03.

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    Description

    white to light yellow crystal powder

    Basic Attributes

    • 85-18-7

    • C7H7ClN4O2

    • 214.61

    • 214.025757

    • 69.3 A^2

    • -0.42

    • 201-590-4

    • RYIGNEOBDRVTHA-UHFFFAOYSA-N

    • 3

    • 1

    • 0

    Characteristics

    • 1.6±0.1 g/cm3

    • 290 °C (dec.)(lit.)

    • 455.0±55.0 °C at 760 mmHg

    • 229.0±31.5 °C

    • 1.631

    • H2O: SLIGHTLY soluble ;soluble in sodium hydroxide.

    • Refrigerator

    • 203068

    Safety Information

    • III

    • 6.1(b)

    • 2933990090

    • 2811

    • 3

    • 20/21/22-36/37/38-22

    • 36-37/39-26

    • XH5063000

    • Xn

    • P264, P270, P301+P312, P330, P501

    • H302

    Product Usage

    A stimulant drug. It can be used as a binding agent to form stable salts of pharmaceutical drugs. Intermediate of anti-allergic drugs

    Production Methods

    Derived from caffeine by chlorination and hydrolysis. In the reaction pot, add caffeine, carbon tetrachloride-nitrobenzene mixture and iodine tablets, raise the temperature to below 80 ℃, and react with chlorine gas for 3 hours. The temperature was raised to 90-95°C, and the chlorine was passed for more than 5 hours. The reaction solution was completely clear to obtain 7, 8-dichlorocaffeine. Add water and heat to distill to make the distillate clear without formaldehyde smell. Freeze and crystallize, spin filter, wash with ethanol and chloroform in order, spin dry to obtain 8-chlorotheophylline. The yield was 60%.

    More

    China 8-Chlorotheophylline Export Data

    Data referenced from General Administration of Customs,P.R.China

    2018.11-2019.11 China - America  8-Chlorotheophylline Export Data

    From 2018.11 to 2019.11, total export volume of 8-Chlorotheophylline from China to America was 15,218,209KG while total export value was $257,443,342. The biggest proportion of exporting volume in the last 12 months was 13.24% in 2018.11.

    2018.11-2019.11 China 8-Chlorotheophylline Export Data

    From 2018.11 to 2019.11, total export volume of 8-Chlorotheophylline from China was 112,377,052KG while total export value was $2,146,929,254. The biggest proportion of exporting volume in the last 12 months was 9.88% in 2019.03.

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