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| CAS号 : | 603-45-2 |
精确质量 : | 290.09400 |
| 分子式 : | C19H14O3 |
logP : | 3.59480 |
| 分子量 : | 290.31300 |
PSA : | 57.53000 |
玫红酸 | |
4-[bis(4-hydroxyphenyl)methylidene]cyclohexa-2,5-dien-1-one | |
603-45-2 | |
C19H14O3 | |
290.31300 | |
57.53000 | |
3.59480 | |
290.09400 |
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1.691
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红色晶体或粉末
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543ºC at 760 mmHg
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ca. 308ºC (decomposes)
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1.315 g/cm3
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Stable. Incompatible with strong oxidizing agents.
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S26-S36
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Xi
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R36/37/38
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2914501900
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2933990090
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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% | |
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% |
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<p>三、生产方法简介由苯酚、草酸、硫酸的混合物经加热制取。</p> | |
<p>四、用途酸碱指示剂，PH 8（黄）~ 0（红）。饮料用水中二氧化碳的定性试剂，也可用以区分人乳与牛乳。染料中间体。</p> |
