马来酸

• 产品号: 92816
• CAS号: 110-16-7
• 分子式: C4H4O4
• 分子量: 116.07216

产品别名

• 标题: Maleic acid
• IUPAC标准名: but-2-enedioic acid
• IUPAC传统名: butenedioic acid
• 别名: Toxilic acid; 失水苹果酸; cis-Butenedioic acid; 顺丁烯二酸

产品登记号

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

产品性质

• 简要说明: qNMR Standard for D2O and organic solvents (6.2 ppm)
• 级别: TraceCERT®
• 线性分子式: HO2CCH=CHCO2H
• 有效期: (limited shelf life, expiry date on the label)
• 密度: 1.59 g/mL at 25 °C(lit.)
• 闪点: 127 °C
• 闪点: 260.6 °F
• 熔点: 137-140 °C(lit.)
• GHS警示词: Danger
• GHS危险声明: H302 + H312-H315-H317-H318-H319-H335
• 欧盟危险性物质标志: 有害性(Harmful) (Xn)
• GHS警示性声明: P261-P280-P305 + P351 + P338
• 危险公开号: 22-36/37/38-43
• 安全公开号: 24-26-28-37-46
• 德国WGK号: 1

产品详细信息

详细说明 (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)

详细说明 (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)