74658
1,2,4,5-四甲苯
TraceCERT®, certified reference material, 1H-qNMR Standard, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
别名:
杜烯, 1,2,4,5-四甲苯
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关于此项目
线性分子式:
C6H2(CH3)4
化学文摘社编号:
分子量:
134.22
NACRES:
NA.24
PubChem Substance ID:
eCl@ss:
39011404
UNSPSC Code:
41116107
EC Number:
202-465-7
MDL number:
Beilstein/REAXYS Number:
1903393
Quality Segment
vapor density
4.6 (vs air)
vapor pressure
160 mmHg ( 140 °C)
description
qNMR Standard for organic solvents (6.9 ppm / 2.2 ppm)
grade
certified reference material, TraceCERT®
shelf life
limited shelf life, expiry date on the label
manufacturer/tradename
Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
technique(s)
gas chromatography (GC): suitable
mp
76-80 °C (lit.)
density
0.838 g/mL at 25 °C (lit.)
application(s)
cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
personal care
pharmaceutical
format
neat
SMILES string
Cc1cc(C)c(C)cc1C
InChI
1S/C10H14/c1-7-5-9(3)10(4)6-8(7)2/h5-6H,1-4H3
InChI key
SQNZJJAZBFDUTD-UHFFFAOYSA-N
General description
该有证标准物质（CRM）是根据ISO/IEC 17025和ISO 17034生产和认证的。该CRM可追溯到来自NMI的原材料，如 NIST或NMIJ。
证书上给出了定量核磁共振法认证的内容，包括不确定性和失效日期。
下载证书网址：http://www.sigma-aldrich.com。
有关合适的仪器技术的更多信息，请参阅产品的分析证书。
查看我们完整的定量NMR标准品（qNMR标准品）系列。
证书上给出了定量核磁共振法认证的内容，包括不确定性和失效日期。
下载证书网址：http://www.sigma-aldrich.com。
有关合适的仪器技术的更多信息，请参阅产品的分析证书。
查看我们完整的定量NMR标准品（qNMR标准品）系列。
This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Search & download your certificate here.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Search & download your certificate here.
Other Notes
化学位移：2.3 + 7.0 ppm（根据实验条件，化学位移可能略有不同）
合适的NMR溶剂：CDCl3
合适的NMR溶剂：CDCl3
在我们的NMR在线平台ChemisTwin®上可以找到本品对应的数字化标准物质。您可使用ChemisTwin®上的数字等效品鉴定您的样品并进行定量分析（使用数字化外标）。可查看该物质的NMR谱图，只需点击几次鼠标，就能进行在线样品比对。欢迎点击了解更多，开启免费试用之旅。
Legal Information
TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany
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signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Sol. 1
存储类别
4.1B - Flammable solid hazardous materials
wgk
WGK 1
flash_point_f
165.2 °F - closed cup
flash_point_c
74 °C - closed cup