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| CAS号 : | 7446-08-4 |
精确质量 : | 111.90600 |
| 分子式 : | O2Se |
logP : | -0.61840 |
| 分子量 : | 110.95900 |
PSA : | 34.14000 |
二氧化硒 | |
Selenium(IV) oxide | |
7446-08-4 | |
O2Se | |
110.95900 | |
34.14000 | |
-0.61840 | |
111.90600 |
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淡粉红色固体
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库房低温,通风,干燥,与氧化剂,强酸,食品原料分开存放
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315ºC
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684.9ºC(lit.)
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315ºC
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3.95
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Stable. Incompatible with organic materials, strong acids, ammonia, nitric acid, halogen acids. Protect from moisture.
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GHS06, GHS08, GHS09 | |
危险 | |
H301 + H331; H373; H410 | |
P261; P273; P301 + P310; P311; P501 | |
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6.1
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S20/21-S28-S45-S60-S61
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II
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UN 2811/3283
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2811290090
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T; N
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R23/25; R33; R50/53
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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% |
