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| CAS号 : | 534-22-5 |
精确质量 : | 82.04190 |
| 分子式 : | C5H6O |
logP : | 1.58800 |
| 分子量 : | 82.10050 |
PSA : | 13.14000 |
2-甲基呋喃 | |
2-Methylfuran | |
534-22-5 | |
C5H6O | |
82.10050 | |
13.14000 | |
1.58800 | |
82.04190 |
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一种透明无色至淡黄色/绿色液体,带有一种巧克力气味
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n20/D 1.433(lit.)
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-88.68℃
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Stable under normal temperatures and pressures.
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−8 °F
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139 mm Hg ( 20 °C)
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库房通风低温干燥,与氧化剂、酸类分开存放
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-88.7 °C
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0.91 g/mL at 25 °C(lit.)
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0.3 g/100 mL (20 ºC)
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63-66 °C(lit.)
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2.8 (vs air)
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GHS02, GHS06 | |
危险 | |
H225; H330 | |
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II
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3
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2932190090
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UN 2301 3/PG 2
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1
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R11; R23/24/25
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S16-S33-S45-S7/9-S9
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LU2625000
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F
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品名, 成分含量, 用途 |
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2932190090 其他结构上有非稠合呋喃环化合物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:20.0% |
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2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
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2932190090. Other Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure. General tariff: |
1.由糠醛(或糠醇)催化加氢制。加氢催化剂采用铜-铝合金,用碱作助催化剂,反应压力为0.3-0.5MPa,在200℃左右进行气相加氢,氢与糠醛摩尔比为10:1。反应产物经冷凝,蒸去水分,精馏而得成品。原料消耗定额:糠醛(96%)1400kg/t、氢气630m3kg/t、铜-铝催化剂114kg/t。 | |
用于制取维生素B |
