59240
异戊二烯
analytical standard
别名:
2-甲基-1,3-丁二烯
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关于此项目
线性分子式:
CH2=CHC(CH3)=CH2
化学文摘社编号:
分子量:
68.12
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
201-143-3
Beilstein/REAXYS Number:
969158
MDL number:
InChI key
RRHGJUQNOFWUDK-UHFFFAOYSA-N
InChI
1S/C5H8/c1-4-5(2)3/h4H,1-2H2,3H3
SMILES string
CC(=C)C=C
grade
analytical standard
vapor density
2.35 (vs air)
vapor pressure
8.82 psi ( 20 °C)
assay
≥99.5% (GC)
autoignition temp.
428 °F
shelf life
limited shelf life, expiry date on the label
contains
~0.02% 4-tert-butylcatechol as stabilizer
expl. lim.
10 %
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
Quality Level
bp
34 °C (lit.)
mp
−146 °C (lit.)
density
0.681 g/mL at 20 °C, 0.681 g/mL at 25 °C (lit.)
application(s)
cleaning products
cosmetics
environmental
food and beverages
personal care
petroleum
format
neat
storage temp.
2-8°C
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General description
异戊二烯是一种具有反应活性的芳香烃，是胆固醇合成的副产物。
Application
异戊二烯可用作析参考标准品，用于通过基片集成中空波导中红外传感器和热解吸气相色谱紫外检测法定量测定人体呼吸样品中的分析物。
有关合适仪器技术的更多信息，请参考产品′分析证书。如需进一步支持，请联系技术服务部门。
Other Notes
请在我们的在线平台NMR用请在我们的在线平台NMR用ChemisTwin®查找本产品的数字化标准物质。您可以利用ChemisTwin®上的数字化等效物质进行样品确认和化合物定量（采用数字化外标）。您可以查看该物质的NMR 谱，点击鼠标即可与您的样品在线比较。点击此处了解更多信息，并开始免费试用。
signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 3 - Carc. 1B - Flam. Liq. 1 - Muta. 2
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
-65.2 °F - closed cup
flash_point_c
-54 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
法规信息
危险化学品
此项目有
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Determination of isoprene in human expired breath using solid-phase microextraction and gas chromatography?mass spectrometry
Hyspler R, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 739(1), 183-190 (2000)
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