筛选出 3 条数据
品牌 | 产品 | 货期 | 价格 | 货号 | 规格 | / |
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CAS号:22047-25-2
品名:2-乙酰基吡嗪1-pyrazin-2-ylethanone
中文别名:乙酰吡嗪;1-乙酰基吡嗪;乙酰基吡嗪;2-乙酰吡嗪;乙酰-1,4-二嗪;
英文别名:Methylpyrazinylketone;2-Acetylpyrazine;Ketone,methylpyrazinyl;2-ACETYLPYRAZINE;Methylpyrazin-2-ylketone;Ethanone,1-pyrazinyl;methyl2-pyrazinylketone;1-pyrazin-2-yl-ethanone;1-Pyrazinylethanone;Acetylpyrazine;1-Pyrazin-2-ylethan-1-one;
分子式:C6H6N2O
分子量:122.125
精确质量:122.048
Psa:42.85
BRN号:109630
EINECS号:244-753-5
MDL号:MFCD00006134
PubChem号:24901475
外观与性状:淡黄色至黄色-褐色粉末
密度:1.136 g/cm3
沸点:78-79°C 8mm
熔点:75-78°C
闪点:78-79°C/8mm
折射率:1.518
稳定性:Stable under normal temperatures and pressures.
储存条件:库房通风低温干燥
蒸汽压:0.095mmHg at 25°C
安全说明:S26-S36-S24/25
危险类别码:R36/37/38
WGK Germany:2
海关编码:2933990090
危险品标志:Xi
简介:AcetylpyrazineisanorganiccompoundwiththechemicalformulaC6H6N2O.Itisayellow-brownpowderatroomtemperature.Chemically,acetylpyrazineisapyrazineandaketone.
用途:于配制食用及烟用香精。烟草中的配用,可显示烟叶的原风味和烟香。产品质量:纯度大于99%。
源叶 | 2-乙酰基吡嗪 2-Acetylpyrazine | 现货 | 150.00 | B27619 | HPLC≥99% |
规格:
20mg
|
CAS号:1124-11-4
品名:川芎嗪Tetramethylpyrazine
中文别名:川芎嗪,四甲基吡嗪;2,3,5,6-四甲基哌嗪;2,3,5,6-四甲基;2,3,5,6-四甲基吡嗪;
英文别名:2,3,5,6-tetramethylpyrazine;Pyrazine,tetramethyl-;
分子式:C8H12N2
分子量:136.194
精确质量:136.1
Psa:25.78
RTECS号:UQ3905000
BRN号:113100
EINECS号:214-391-2
MDL号:MFCD00006146
PubChem号:24901575
外观与性状:白色晶体或粉末
密度:1.08
沸点:190°C(lit.)
熔点:77-80°C(lit.)
闪点:128-130°C/200mm
折射率:1.503
稳定性:Stable. Incompatible with strong acids, strong oxidizing agents.
储存条件:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
蒸汽压:0.671mmHg at 25°C
安全说明:S26-S39-S24/25
危险类别码:R22
WGK Germany:3
海关编码:29339990
危险品标志:Xn
信号词:Danger
危险性防范说明:P261; P280; P305 + P351 + P338
危险标志:GHS05, GHS07
危险性描述:H302; H315; H318; H335
简介:Tetramethylpyrazine,alsoknownasligustrazine,isanantiinflammatorycompoundisolatedfromthefermentedfoodnatto.Itdemonstratedinvivonootropicactivityinrats.
用途:用作调味剂、酒精饮料的甜味增强剂、卷烟的矫味剂和增补剂。
源叶 | 磷酸川芎嗪 TetramethylpyrazinePhosphat... | 现货 | 150.00 | B20741 | HPLC≥98% |
规格:
20mg
|
德思特 | 川芎嗪 2,3,5,6-Tetramethylpyrazine | 现货 | 300.00 | DC0032 | HPLC≥98% |
规格:
20mg
|