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Merck
CN

92816

Supelco

马来酸

Standard for quantitative NMR, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

别名:

失水苹果酸, 顺丁烯二酸

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About This Item

线性分子式:
HO2CCH=CHCO2H
CAS号:
分子量:
116.07
Beilstein:
605762
EC 号:
MDL编号:
UNSPSC代码:
41116107
PubChem化学物质编号:
NACRES:
NA.24

等级

Standard for quantitative NMR
certified reference material
TraceCERT®

质量水平

描述

qNMR Standard for D2O and organic solvents (6.2 ppm)

保质期

limited shelf life, expiry date on the label

制造商/商品名称

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

技术

gas chromatography (GC): suitable
qNMR: suitable

mp

130-135 °C (lit.)

密度

1.59 g/mL at 25 °C (lit.)

应用

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

格式

neat

SMILES字符串

OC(=O)\C=C/C(O)=O

InChI

1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-

InChI key

VZCYOOQTPOCHFL-UPHRSURJSA-N

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一般描述

该有证标准物质(CRM)是根据ISO/IEC 17025ISO 17034生产和认证的。该CRM可追溯到NMI(如NIST或NMIJ)的一级标准物质。
证书上给出了定量NMR的认证内容,包括不确定度和有效期。
证书下载网址:http://www.sigma-aldrich.com。

查看我们的 所有定量NMR标准物质(qNMR标准物质)

马来酸是一种具有 cis- (Z)-构型双键的丁烯二酸。工业上用于制造润滑油添加剂、不饱和聚酯树脂、表面涂料、增塑剂、共聚物和农用化学品。
这种物质被列入EU第10/2011号法规中用于与食品接触的塑料的正面清单。在此查找10/2011中列出的化合物的所有可用参考材料

应用

本认证参考物质(CRM)用作 1H-NMR定量分析的基本标准。

特点和优势

  • 经ISO/IEC 17025和ISO 17034认证生产和认证
  • 可溯源至NIST PS1(苯甲酸)
  • 附有一份全面的分析证书(CoA)(长达四页),根据ISO指南31,数据包含稳定性、密度、均匀性、浓度准确度、不确定性和可追溯性
  • 使用高质量qNMR表征的起始材料和合格的精密天平进行重量分析,以确保最小的不确定性
  • 通过实时稳定性研究进行严格测试,以确保准确性和保质期
  • 以紧密固体装在棕色玻璃瓶形式提供

其他说明

化学位移:6.2 ppm(化学位移可能会因实验条件略有不同)
合适的NMR溶剂:D2O、MeOD、DMSO-d6

推荐产品

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。

法律信息

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

象形图

CorrosionExclamation mark

警示用语:

Danger

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3

靶器官

Respiratory system

WGK

WGK 1


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分析证书(COA)

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Spencer.NJ, et al. et al.
Chemistry: Structure and Dynamics, (5) (2010)
Miller AW
Elements of Chemistry: Theoretical and Practical, Volume 3, 3(6) (1880)
Hanna Kotikoski et al.
Acta ophthalmologica Scandinavica, 81(4), 355-360 (2003-07-16)
To investigate whether a nitric oxide donor given as a single oral dose is able to modify aqueous humour flow in healthy volunteers. Ten healthy volunteers participated in a randomized, double-masked and placebo-controlled cross-over study. Aqueous humour flow was assessed
J M Herreras et al.
Ophthalmology, 99(7), 1082-1088 (1992-07-01)
This study was undertaken to see whether long-term locally applied ocular medications produced any alterations in the ocular surface, and, in particular, whether it caused damage to the mucus layer of the tear film. The authors studied the ocular surface
Pierangelo Gobbo et al.
Langmuir : the ACS journal of surfaces and colloids, 28(33), 12357-12363 (2012-08-14)
Improved methodology to prepare maleimide-functionalized, water-soluble, small (<3 nm) gold nanoparticles using a retro-Diels-Alder strategy that we developed for similar organic-soluble AuNP's is described. Importantly, our results suggest that a recent paper by Zhu, Waengler, Lennox, and Schirrmacher describing a

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