Maleic acid

• Catalog No.: 92816
• CAS Number: 110-16-7
• M. F.: C4H4O4
• M. W.: 116.07216

SYNONYMS

• Title: 马来酸
• IUPAC name: but-2-enedioic acid
• IUPAC Traditional name: butenedioic acid
• Synonyms: Toxilic acid; 失水苹果酸; cis-Butenedioic acid; 顺丁烯二酸

DATABASE IDS

• MDL Number: MFCD00063177
• Beilstein Number: 605762
• CAS Number: 110-16-7
• EC Number: 203-742-5

PROPERTIES

• Description: qNMR Standard for D2O and organic solvents (6.2 ppm)
• Grade: TraceCERT®
• Linear Formula: HO2CCH=CHCO2H
• Shelf Life: (limited shelf life, expiry date on the label)
• Density: 1.59 g/mL at 25 °C(lit.)
• Flash Point: 127 °C
• Flash Point: 260.6 °F
• Melting Point: 137-140 °C(lit.)
• GHS Signal Word: Danger
• GHS Hazard statements: H302 + H312-H315-H317-H318-H319-H335
• European Hazard Symbols: Harmful (Xn)
• GHS Precautionary statements: P261-P280-P305 + P351 + P338
• Risk Statements: 22-36/37/38-43
• Safety Statements: 24-26-28-37-46
• German water hazard class: 1

DETAILS

Description (English)

Analysis Note
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34. This CRM is traceable to NIST SRM.
General description
Certified content by quantitative NMR incl. uncertainty and expiry are given in the certificate.Download your certificate at: http://www.sigma-aldrich.com.
Other Notes
Chemcial Shift: 6.2 ppm (chemical shifts may slightly vary depending on the experimental conditions)Suitable NMR solvents: D2O, MeOD, DMSO-d6
Legal Information
TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC
Protocols & Applications
Certified Standards for Quantitative 1H-NMR (qNMR)

Description (简体中文)

Analysis Note
此认证标准物质 (CRM) 的生产和认证都符合 ISO/IEC 17025 和 ISO Guide 34 的要求。此 CRM 可溯源到 NIST SRM。
General description
认证的含量经定量 NMR 确定，并且证书上标明不确定度和有效期。 证书下载：http://www.sigma-aldrich.com。
Other Notes
Chemcial Shift: 6.2 ppm (chemical shifts may slightly vary depending on the experimental conditions)Suitable NMR solvents: D2O, MeOD, DMSO-d6
法律信息
TraceCERT 注册商标 Sigma-Aldrich Co. LLC
Protocols & Applications
Certified Standards for Quantitative 1H-NMR (qNMR)