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| CAS号 : | 7782-49-2 |
精确质量 : | 79.92000 |
| 分子式 : | Se |
logP : | -0.15580 |
| 分子量 : | 78.96000 |
PSA : | 0.00000 |
硒 | |
selenium atom | |
7782-49-2 | |
Se | |
78.96000 | |
0.00000 | |
-0.15580 | |
79.92000 |
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暗红色-棕色至蓝黑色非晶形的固体或红色透明晶体或金属灰色至黑色晶体
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库房通风低温干燥,与酸、碱、食品添加剂分开存放
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684.9 °C(lit.)
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217 °C(lit.)
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4.81 g/mL at 25 °C(lit.)
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不溶
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Stable. Incompatible with strong acids, strong oxidizing agents and most common metals. Combustible.
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GHS06, GHS08 | |
危险 | |
H301 + H331; H373; H413 | |
P261; P301 + P310; P311 | |
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VS7700000
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2
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S26-S61-S45-S28-S20/21-S28A
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III
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UN 3440 6.1/PG 3
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T
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R23/25; R33; R53
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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% |
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<p>用作硒整流器、硒感光板、复印硒鼓、致冷合金、红外材料、光电池等 用作定氮催化剂、普通分析试剂</p> |