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| CAS号 : | 7440-31-5 |
精确质量 : | 119.90200 |
| 分子式 : | Sn |
logP : | -0.38080 |
| 分子量 : | 118.70100 |
PSA : | 0.00000 |
锡 | |
tin atom | |
7440-31-5 | |
Sn | |
118.70100 | |
0.00000 | |
-0.38080 | |
119.90200 |
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金属丝
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2270°C
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2270 °C(lit.)
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231.9 °C(lit.)
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7.3
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Stable. Incompatible with strong oxidizing agents. Highly flammable as a powder. Can, in powder form, lead to dust explosions. Moisture sensitive.
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GHS07 | |
警告 | |
H319; H335 | |
P305 + P351 + P338 | |
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XP7320000
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1
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4.1
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S26-S24/25-S22-S36/37/39-S33-S16-S36/37
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III
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UN 3264 8/PG 2
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7106929000
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Xi
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R37/38; R36/37/38
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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% |
<p>制法1.将粉碎过的细小金属锡,加到试剂五水硫酸铜溶液中,液体完全脱色后过滤,然后配制电解液(1L水中溶解50g硫酸锡、50g硫酸铀、10g间甲酚、10g细木工胶、30-50g相对密度为1.84的硫酸),用锡片作为阴极,进行电解,电极间距5cm时电压0.6-0.8V,电流密度1.5-2.5A/cm2电解液温度18-20oC干燥。该法可得高纯度锡。</p> | |
<p>1.用于制白铁板、巴毕脱合金、锡箔、活字金、合金、化学药品等。电子工业用材料,用作高纯试剂。</p> |
