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| CAS号 : | 77-98-5 |
精确质量 : | 147.16200 |
| 分子式 : | C8H21NO |
logP : | 1.70600 |
| 分子量 : | 147.25800 |
PSA : | 23.06000 |
四乙基氢氧化铵 | |
Tetraethylammonium hydroxide | |
77-98-5 | |
C8H21NO | |
147.25800 | |
23.06000 | |
1.70600 | |
147.16200 |
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n20/D 1.422
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无色液体
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库房通风低温干燥,与酸类分开存放
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11 °C
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110 °C
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-98ºC
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SOLUBLE
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1.023 g/mL at 25 °C
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Stable, but absorbs carbon dioxide from the air
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GHS02, GHS05, GHS06, GHS08 | |
危险 | |
H225; H301; H311; H314; H331; H370 | |
P210; P260; P280; P301 + P310; P305 + P351 + P338; P310 | |
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KH3150000
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8
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3
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S7-S16-S26-S36/37/39-S45-S61
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II
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UN 3286 3/PG 2
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2923900090
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F
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R11; R23/24/25; R34; R39/23/24/25; R51
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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% |
1.先用甲醇溶解四乙基氯化铵,然后加入理论量的氢氧化钾-甲醇溶液,充分混匀,即有氯化钾析出: 当反应完全后, 静置, 减压过滤, 所得滤液加入水进行减压蒸馏, 除去醇和水, 使溶液中四乙基氢氧化铵含量达44%, 再于真空下干燥, 所得结晶即为成品。 | |
1.用作化学试剂和核苷的乙酰化等。 |
