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| CAS号 : | 83-67-0 |
精确质量 : | 180.06500 |
| 分子式 : | C7H8N4O2 |
logP : | -1.03970 |
| 分子量 : | 180.16400 |
PSA : | 72.68000 |
可可碱 | |
theobromine | |
83-67-0 | |
C7H8N4O2 | |
180.16400 | |
72.68000 | |
-1.03970 | |
180.06500 |
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白色至黄色结晶粉末
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1.737
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Stable under normal temperatures and pressures.
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290-295°C
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Keep container closed when not in use. Store in a cool, dry area away from incompatible substances.
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345-350 °C
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1.50
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slightly soluble,
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Sublimes 290-295ºC
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2933990090
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1
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R22
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S22-S24/25
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XH2275000
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Xn
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2933990090. Heterocyclic compounds with nitrogen hetero-atom(s) only |
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品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期 |
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% |
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2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
1.将甲酰胺搅拌加热至170℃,加入4-氨基-5-甲酰胺基脲嗪,升温至180-185℃,反应半小时后降温至60℃,离心甩干,加水洗涤,得黄嘌呤。将其溶解于氢氧化钠溶液,升温至95℃,加活性炭,搅拌半小时后静置半小时,过滤。将滤液滴加到硫酸二甲酯中,控制pH8.2-8.5,35-38℃反应,加毕,搅拌15min,降温至28℃,调pH至9,静置4h,甩干、水洗,得可可碱。 | |
1.可作为苦味剂,用于饮料或作为食品添加剂。 |
