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重要文件

03079

Supelco

乙苯

analytical standard

同義詞:

NSC 406903, 苯乙烷

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About This Item

線性公式:
C6H5C2H5
CAS號碼:
分子量::
106.17
Beilstein:
1901871
EC號碼:
MDL號碼:
分類程式碼代碼:
41116107
eCl@ss:
39011201
PubChem物質ID:
NACRES:
NA.24
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等級

analytical standard

品質等級

蒸汽密度

3.7 (vs air)

蒸汽壓力

10 mmHg ( 20 °C)
19 mmHg ( 37.7 °C)

化驗

≥99.5% (GC)

自燃溫度

810 °F

儲存期限

limited shelf life, expiry date on the label

expl. lim.

6.7 %

技術

HPLC: suitable
gas chromatography (GC): suitable

折射率

n20/D 1.495 (lit.)
n20/D 1.495

bp

136 °C (lit.)

mp

−95 °C (lit.)

密度

0.867 g/mL at 25 °C (lit.)

應用

cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
personal care

形式

neat

SMILES 字串

CCc1ccccc1

InChI

1S/C8H10/c1-2-8-6-4-3-5-7-8/h3-7H,2H2,1H3

InChI 密鑰

YNQLUTRBYVCPMQ-UHFFFAOYSA-N

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一般說明

乙苯是一种芳香烃,常用于制造苯乙烯。它天然存在于煤焦油和石油中,也存在于油墨、杀虫剂和油漆等产品中。

應用

本分析标准品也可以适用于以下情况:

  • 用气相色谱-火焰离子化检测器 (GC-FID)用分析构建多床针捕集装置处理的从办公室、走廊和实验室采集的室内空气样品中的挥发性有机化合物
  • 开发Carbotrap B吸附剂填充的针头捕集装置,用于从空气样品中采集苯、甲苯、乙苯和二甲苯异构体,用于气相色谱-质谱(GC-MS)分析
  • 采用顶空固相微萃取-气相色谱-质谱法(HS-SPME-GC-MS)同时检测和定量283种调味补充液、21种尼古丁补充液和12支电子烟中的14种挥发性有机化合物(VOC)
  • GC-MS检测使用以ZIF-8衍生的纳米多孔碳(ZIF-8-NPC)作为吸附剂的动态顶空针头捕集装置(D-HS-NTD),从20个钢笔墨水样品中提取后的11种VOC
  • 采用基于顶空和直接注射的固相微萃取(SPME)萃取后,采用气相色谱-质谱法 (GC-MS)测定结直肠癌患者手术切除的结肠组织样本中的七种挥发性有机化合物

推薦產品

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

訊號詞

Danger

危險分類

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Flam. Liq. 2 - STOT RE 2

標靶器官

hearing organs

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

71.6 °F - closed cup

閃點(°C)

22.0 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


從最近期的版本中選擇一個:

分析證明 (COA)

Lot/Batch Number

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存取文件庫

Equilibrium in-fibre standardisation technique for solid-phase microextraction.
Wang Y
Journal of Chromatography A, 1072(1), 13-17 (2005)
Determination of benzene, toluene, ethylbenzene, and xylenes in urine by purge and trap gas chromatography
Brcic I and Skender L
Journal of Separation Science, 26(14), 1225-1229 (2003)
Jing-Fu Liu et al.
Journal of chromatography. A, 1066(1-2), 27-32 (2005-03-30)
Solid-phase microextraction (SPME) with a disposable ionic liquid (IL) coating was developed for headspace extraction of benzene, toluene, ethylbenzene, and xylenes (BTEX) in paints. The SPME fiber was coated with IL prior to every extraction, then the analytes were extracted
John M Kokosa et al.
Journal of chromatography. A, 983(1-2), 205-214 (2003-02-06)
The primary standard test method used for the determination of gasoline diluent in used engine oils is method D 3525-93 of the American Society for Testing and Materials (ASTM), which involves direct injection of used oil onto a packed GC
Eva Aguilera-Herrador et al.
Journal of chromatography. A, 1201(1), 106-111 (2008-07-01)
The direct coupling between ionic liquid-based single-drop microextraction and gas chromatography/mass spectrometry is proposed for the rapid and simple determination of benzene, toluene, ethylbenzene and xylenes isomers (BTEX) in water samples. The extraction procedure exploits not only the high affinity

文章

A shortened review of fundamentals of Porous Graphitic Carbon (PGC) materials. What they are and how do they work as a stationary phase material in HPLC?.

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

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