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Merck
CN

PHR1046

乙二醇

Pharmaceutical Secondary Standard; Certified Reference Material

别名:

乙二醇, 1,2-乙二醇

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关于此项目

线性分子式:
HOCH2CH2OH
化学文摘社编号:
107-21-1
分子量:
62.07
NACRES:
NA.24
PubChem Substance ID:
329823076
eCl@ss:
39020501
UNSPSC Code:
41116107
EC Number:
203-473-3
MDL number:
MFCD00002885
Beilstein/REAXYS Number:
505945

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产品名称

乙二醇, Pharmaceutical Secondary Standard; Certified Reference Material

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

SMILES string

OCCO

grade

certified reference material
pharmaceutical secondary standard

agency

traceable to USP 1265515

vapor density

2.1 (vs air)

vapor pressure

0.08 mmHg ( 20 °C)

CofA

current certificate can be downloaded

autoignition temp.

752 °F

expl. lim.

15.3 %

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

refractive index

n20/D 1.431 (lit.)

bp

195-198 °C

mp

−13 °C (lit.)

density

1.113 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-30°C

Quality Level

300

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Application

这些二级标准品是合格的有证标准物质。它们适用于多种分析应用，包括但不限于药物释放测试、药物的定性和定量分析方法开发、食品和饮料质量控制检测以及其他校准需求。乙二醇可用作使用气相色谱（GC）测定血清样品中存在的乙二醇的标准。

General description

用于质量控制的制药二级标准品，为制药实验室和制造商制备内部工作标准品提供了一种方便、高性价比的替代方案。乙二醇也可以由化石燃料（石油、天然气和煤）和生物质资源生产得到。它是一种具有广泛工业用途的多元醇。

Other Notes

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。
要查看该材料的分析证书示例，请在下面的栏位中输入 LRAC2089。这只是一个示例证书，可能不是您收到的批次。
该认证参考物质（CRM）根据ISO 17034 和 ISO/IEC 17025进行生产和认证。有关此CRM使用的所有信息均可在分析证书上找到。

Analysis Note

These secondary standards offer multi-traceability to the USP and EP (PhEur) primary standards, where they are available.

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

hcodes

H302,H373

Hazard Classifications

Acute Tox. 4 Oral - STOT RE 2 Oral

target_organs

Kidney

存储类别

10 - Combustible liquids

wgk

WGK 1

flash_point_f

239.0 °F - open cup

flash_point_c

115 °C - open cup

分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is the molarity of ethylene glycol?

    Ethylene glycol is 17.93M.  This is calculated using the density (1.113 g/ml) and the molecular weight (62.07 g/mol).  If the product is less than 100% pure, correct for the purity.

  6. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Gas-chromatographic determination of ethylene glycol in serum
Porter H.W and Auansakul aA
Clinical Chemistry, 28, 75-78 (1982)
Yi Wang et al.
Journal of the American Chemical Society, 135(5), 1941-1951 (2013-01-16)
This article describes a robust method for the facile synthesis of small Ag nanocubes with edge lengths controlled in the range of 18-32 nm. The success of this new method relies on the substitution of ethylene glycol (EG)--the solvent most
Andrea Marchionni et al.
ChemSusChem, 6(3), 518-528 (2013-02-14)
The electrooxidation of ethylene glycol (EG) and glycerol (G) has been studied: in alkaline media, in passive as well as active direct ethylene glycol fuel cells (DEGFCs), and in direct glycerol fuel cells (DGFCs) containing Pd-(Ni-Zn)/C as an anode electrocatalyst
Mona Sheikhi et al.
Fertility and sterility, 100(1), 170-177 (2013-04-10)
To study the preservation of follicles within ovarian tissue vitrified using only one or a combination of three permeating cryoprotectants. Experimental study. University hospital. Ovarian tissue was donated by consenting women undergoing elective cesarean section. Ovarian tissue was vitrified in
Birgit Oberleitner et al.
Chemical communications (Cambridge, England), 49(16), 1615-1617 (2013-01-23)
This work describes an integrated approach for designing on demand Self-Assembled Monolayers (SAMs) on silicon oxides and particularly glass substrates for cell biology applications. Starting from commercially available compounds, the strategy relies on thiol-ene reaction and provides high quality SAMs
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GC-MS Analysis of Lithium Ion Battery Electrolyte Solvents

Analysis of carbonate solvents in lithium-ion batteries like ethylene carbonate, dimethyl carbonate, diethyl carbonate, and more using SPB®-624 column.

实验方案

利用 Nukol™ 对乙二醇类进行气相色谱分析

99%；甘油，≥99.5%；四甘醇，99%

我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

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