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8-Chlorotheophylline
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CAS No:
85-18-7
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Formula:
C7H7ClN4O2
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Synonyms:
NSC 6113;Theoclate;AKOS BBS-00006435;8-Chlorothephyline;chlorotheophylline;8-chloro-theophyllin;8-CHLOROTHEOPHYLLINE;LABOTEST-BB LT00138074;Theophylline, 8-chloro-;8-Chlorotheophylline,99%
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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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CAS No:
Basic Attributes
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85-18-7
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C7H7ClN4O2
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214.61
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214.025757
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69.3 A^2
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-0.42
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201-590-4
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RYIGNEOBDRVTHA-UHFFFAOYSA-N
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3
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1
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0
Characteristics
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1.6±0.1 g/cm3
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290 °C (dec.)(lit.)
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455.0±55.0 °C at 760 mmHg
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229.0±31.5 °C
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1.631
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H2O: SLIGHTLY soluble ;soluble in sodium hydroxide.
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Refrigerator
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203068
Safety Information
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III
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6.1(b)
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2933990090
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2811
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3
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20/21/22-36/37/38-22
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36-37/39-26
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XH5063000
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Xn
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P264, P270, P301+P312, P330, P501
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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%.
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.
8-Chlorotheophylline
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