40519
4-皮考啉
analytical standard
别名:
4-甲基吡啶
等级
analytical standard
质量水平
蒸汽密度
3.2 (vs air)
蒸汽压
4 mmHg ( 20 °C)
方案
≥98.0% (GC)
自燃温度
1000 °F
保质期
limited shelf life, expiry date on the label
技术
HPLC: suitable
gas chromatography (GC): suitable
杂质
≤0.5% water
折射率
n20/D 1.504 (lit.)
n20/D 1.504-1.508
沸点
145 °C (lit.)
mp
2.4 °C (lit.)
密度
0.957 g/mL at 25 °C (lit.)
应用
cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
包装形式
neat
SMILES字符串
Cc1ccncc1
InChI
1S/C6H7N/c1-6-2-4-7-5-3-6/h2-5H,1H3
InChI key
FKNQCJSGGFJEIZ-UHFFFAOYSA-N
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应用
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
警示用语：
Danger
危险分类
Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
3 - Flammable liquids
WGK
WGK 1
闪点(°F)
102.2 °F - closed cup
闪点(°C)
39 °C - closed cup
法规信息
危险化学品
此项目有
Stéphanie Romand et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 63, 14-21 (2014-07-06)
A capillary isoelectric focusing (cIEF) method was developed for the determination of the ionization constants (pKa) of small molecules. Two approaches used to decrease the electroosmotic flow (EOF) were compared: (i) a hydroxypropylcellulose (HPC) coated capillary in aqueous medium and
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