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产品名称
马来酸, qNMR standard, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
InChI key
VZCYOOQTPOCHFL-UPHRSURJSA-N
InChI
1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-
SMILES string
OC(=O)\C=C/C(O)=O
grade
certified reference material
TraceCERT®
description
qNMR Standard for D2O and organic solvents (6.2 ppm)
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
130-135 °C (lit.)
density
1.59 g/mL at 25 °C (lit.)
application(s)
cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
pharmaceutical
format
neat
Quality Level
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Application
Features and Benefits
- 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
General description
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。
Other Notes
合适的NMR溶剂:D2O、MeOD、DMSO-d6
Legal Information
signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
存储类别
8A - Combustible corrosive hazardous materials
wgk
WGK 1
商品
The signal ratio of two different protons can be measured with tremendous precision, which enables the generation of certified reference materials for use as qNMR standards.
NMR shift charts assist in identifying impurities in deuterated solvents, aiding accurate chemical analysis.
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ChemisTwin可自动判读NMR结果,使用电子参考材料进行结构确认和定量NMR测量,从而节省时间。
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