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| CAS号 : | 87-66-1 |
精确质量 : | 126.03200 |
| 分子式 : | C6H6O3 |
logP : | 0.80340 |
| 分子量 : | 126.11000 |
PSA : | 60.69000 |
邻苯三酚 | |
pyrogallol | |
87-66-1 | |
C6H6O3 | |
126.11000 | |
60.69000 | |
0.80340 | |
126.03200 |
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无气味的白色至灰色固体
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n20/D 1.387
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Stability Stable, but decolourises in light. Combustible. Incompatible with strong oxidising agents, alkalies, metal oxides, ammonia, antipyrine, phenol, iodine, lime water, menthol, potassium permanganate, strong bases.
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>230 °F
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10 mm Hg ( 167.7 °C)
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43-47 °C(lit.)
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1.112 g/mL at 25 °C(lit.)
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400 g/L (25 ºC)
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309 °C
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4.4 (vs air)
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GHS07, GHS08 | |
警告 | |
H302; H312; H332; H341; H412 | |
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III
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6.1
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2907299090
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UN 2811 6.1/PG 3
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3
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R20/21/22; R52/53; R68
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S22-S24/25-S61-S36/37
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UX2800000
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Xn
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品名, 成分含量, 用途 |
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A.入境货物通关单 B.出境货物通关单 |
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R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验 |
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2907299090 其他多元酚,酚醇。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0% |
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2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0% |
1.将没食子酸和水加入高压釜中,于200-210℃脱羧0.5h,经脱色、过滤、蒸发制得成品,或用真空升华进行精制。 | |
1.用于制备金属胶状溶液,皮革着色,毛皮、毛发等的染色,蚀刻等;并可用作电影胶片的显影剂、红外线照相热敏剂、苯乙烯及聚苯乙烯阻聚聚剂、医药及染料的中间体以及分析用试剂等。焦性没食子酸在气体分析中用作氧的吸收剂,在化妆品方面用于扑粉、护发剂、染发剂等。 |