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| CAS号 : | 506-59-2 |
精确质量 : | 81.03450 |
| 分子式 : | C2H8ClN |
logP : | 1.02850 |
| 分子量 : | 81.54460 |
PSA : | 12.03000 |
盐酸二甲胺 | |
Dimethylamine hydrochloride | |
506-59-2 | |
C2H8ClN | |
81.54460 | |
12.03000 | |
1.02850 | |
81.03450 |
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白色至灰白色结晶冷冻粉末
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Stable. Incompatible with strong oxidizing agents.
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Store in a cool, dry place. Store in a tightly closed container. Keep away from water. Do not get water inside containers.
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170-173 °C(lit.)
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0.64g/cm3
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3000 g/L (20 ºC)
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29211190
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1
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R22; R36/37/38
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S26-S36/37-S37/39
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IQ0220000
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Xn
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HS:29211190.Methylamine, di- or trimethylamine and their salts. General tariff:10.0% |
由二甲胺与盐酸成盐而得。将盐酸缓缓滴入二甲胺中,30%的盐酸用量约为40%二甲胺的1.1倍,滴入速度以温度不超过15℃,pH=7-8为限。反应结束后,加活性炭脱色,过滤,滤液用盐酸调节至pH=3-4,减压蒸水至尽,得二甲胺盐酸盐。 | |
二甲胺盐酸盐去氧化能力很强,易吸潮,易短路,腐蚀性强.所以常用于清洗型助焊剂,或对电阻要求不严格的助焊剂中.有一般有机酸无法比拟的上锡性能。 |
