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| CAS号 : | 75-25-2 |
精确质量 : | 249.76300 |
| 分子式 : | CHBr3 |
logP : | 2.45470 |
| 分子量 : | 252.73100 |
PSA : | 0.00000 |
三溴甲烷 | |
bromoform | |
75-25-2 | |
CHBr3 | |
252.73100 | |
0.00000 | |
2.45470 | |
249.76300 |
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n20/D 1.595(lit.)
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8.7 (vs air)
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无色至黄色液体
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库房通风低温干燥,与食品添加剂分开存放
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148-150°C
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150 °C
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8 °C
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slightly soluble, 0.301 g/100 mL
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2.89 g/mL at 25 °C(lit.)
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Stability May be an explosion hazard, especially when heated. Stable, but light-sensitive. Non-flammable. Incompatible with chemically active metals, strong bases. May contain ca 1% ethanol or 1-pentene (amylene) as a stabilizer.
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5 mm Hg ( 20 °C)
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PB5600000
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6.1
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3
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S28-S45-S61-S28A-S36/37-S16-S7
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III
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UN 2515 6.1/PG 3
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T
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R22; R23; R36/38; R51/53
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2903399020
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品名, 成分含量, 用途 |
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1.进口许可证 4.出口许可证 A.入境货物通关单 B.出境货物通关单 x.出口许可证(加工贸易) y.出口许可证(边境小额贸易) |
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M.进口商品检验 N.出口商品检验 |
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2903399020 溴甲烷〔别名甲基溴〕。监管条件:14abxy。增值税率:17.0%。退税率:0.0%。最低关税:5.5%。普通关税:30.0% |
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2903399020 bromomethane。supervision conditions:14abxy。VAT:17.0%。tax rebate rate:0.0%。MFN tarrif:5.5%。general tariff:30.0% |
1.在碱性条件下,丙酮与次溴酸钠作用,得三溴丙酮,继续在碱性条件下分解,得粗品。经蒸馏、洗涤、过滤、干燥而得成品。 | |
可用作染料中间体、消毒剂、镇痛剂、麻醉剂、制冷剂、选矿剂、沉淀剂、溶剂和抗爆液组分等。用作溶剂,也用作折射率液和比重液。用作溶剂和有机合成中间体。 |