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| CAS号 : | 877-24-7 |
精确质量 : | 203.98200 |
| 分子式 : | C8H5KO4 |
logP : | -0.25170 |
| 分子量 : | 204.22100 |
PSA : | 77.43000 |
邻苯二甲酸氢钾 | |
Potassium hydrogen phthalate | |
877-24-7 | |
C8H5KO4 | |
204.22100 | |
77.43000 | |
-0.25170 | |
203.98200 |
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白色结晶粉末
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Stable. Incompatible with strong oxidizing agents.
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196.7ºC
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Store at RT.
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295-300 °C (dec.)(lit.)
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1.006 g/mL at 20 °C
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80 G/L (20 ºC)
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378.3ºC at 760 mmHg
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2916399090
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UN 1789 8/PG 3
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1
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R36/38; R36/37/38; R34
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S26-S36-S24/25-S22-S45-S36/37/39
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CZ4326000
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Xi; C
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品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装 |
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2916399090 其他芳香一元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2916399090. Other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
1.取660g苛性钾(85%),溶于1L水中。加热,搅拌下分次加入邻苯二甲酸酐1480g,加热反应0.5h,过滤。将滤液浓缩至饱和,放冷至室温,吸滤出结晶,干燥,得成品. | |
1.用作pH测定的缓冲剂、分析基准物质,用作分析试剂和缓冲剂,用作烟火鸣叫剂 |
