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| CAS号 : | 6305-43-7 |
精确质量 : | 241.85800 |
| 分子式 : | C4H4Br2O2 |
logP : | 0.91440 |
| 分子量 : | 243.88100 |
PSA : | 34.14000 |
1,4-二溴-2,3-丁二酮 | |
1,4-Dibromo-2,3-Butanedione | |
6305-43-7 | |
C4H4Br2O2 | |
243.88100 | |
34.14000 | |
0.91440 | |
241.85800 |
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1.539
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86ºC
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117-119°C
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2.117g/cm3
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213ºC at 760 mmHg
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III
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8
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2914700090
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1759
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R23/24/25; R34
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S26-S36/37/39-S37/39-S27
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EK2850000
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Xi
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品名, 成分含量, 用途, 丙酮报明包装 |
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2914700090 其他酮及醌的卤化、磺化衍生物（包括硝化和亚硝化衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
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HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
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2914700090. Halogenated, sulphonated, nitrated or nitrosated derivatives of Ketones and quinones, whether or not with other oxygen function. General tariff: |
