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| CAS号 : | 10424-65-4 |
精确质量 : | 181.15300 |
| 分子式 : | C4H23NO6 |
logP : | -0.17590 |
| 分子量 : | 181.22900 |
PSA : | 69.21000 |
四甲基氢氧化铵五水合物 | |
Tetramethylammonium hydroxide pentahydrate | |
10424-65-4 | |
C4H23NO6 | |
181.22900 | |
69.21000 | |
-0.17590 | |
181.15300 |
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无色针状晶体
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Stable. Incompatible with strong oxidizing agents, strong acids.
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97 mm Hg ( 20 °C)
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0-6ºC
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67-70 °C(lit.)
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soluble
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1.1 (vs air)
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II
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8
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2923900090
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UN 3423 8/PG 2
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1
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R20/21/22; R24/25; R34; R44
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S26-S36/37/39-S45
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PA0875000
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T; C
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HS:2923900090.Other quaternary ammonium salts and hydroxides |
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品名, 成分含量, 用途 |
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2923900090 其他季铵盐及季铵碱。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0% |
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2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
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HS:2923900090.Other quaternary ammonium salts and hydroxides. General tariff:6.5% |
作硅橡胶、甲基硅油助剂和极谱分析试剂等。在有机硅方面,作为二甲基硅油,苯甲基硅油,有机硅扩散泵油,无溶剂有硅模塑料,有机硅树脂硅橡胶等的催化剂。在分析方面,作为极谱试剂,在产品提纯方面作为无灰碱用以沉淀许多金属元素,在有机硅片生产中常用作计算机硅片面用光亮剂、清洗剂和触刻剂等。四甲基氢氧化铵作为催化剂,其优点是,反应完后加热升温,可使之分解为气体而赶走不残留在产品中。 |
