2-methylbut-2-enedioic acid

• ChemBase编号: 103125
• 分子式: C5H6O4
• 平均质量: 130.09874
• 单一同位素质量: 130.02660867
• SMILES: C/C(=C\C(=O)O)/C(=O)O
• Canonical SMILES: OC(=O)/C=C(/C(=O)O)\C
• InChI: InChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)
• InChIKey: HNEGQIOMVPPMNR-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: 2-methylbut-2-enedioic acid
• IUPAC传统名: 2-methyl-2-butenedioic acid
• 别名: 甲基马来酸; 柠康酸; 甲基富马酸; 中康酸; Citraconate; cis-Methylbutenedioic acid; MESACONIC ACID; Citraconic acid; Methylmaleic acid; CITRACONIC ACID; Methylfumaric acid; Mesaconic acid

登记号

• CAS号: 498-23-7; 498-24-8
• EC号: 207-859-2; 207-858-7
• MDL号: MFCD00078086; MFCD00002653
• Beilstein号: 1722680; 1722679
• PubChem SID: 24893036; 24847989; 162102999; 24856571; 24882979
• PubChem CID: 638129; 643798
• CHEBI ID: 17626
• Chemspider ID: 553689
• DrugBank ID: DB04734
• 维基百科标题: Mesaconic_acid; Citraconic_acid

理论计算性质

• Acid pKa: 3.7223003
• 质子受体: 4
• 质子供体: 2
• LogD (pH = 5.5): -2.3959503
• LogD (pH = 7.4): -5.7258286
• Log P: 0.35463616
• 摩尔折射率: 28.9641 cm^3
• 极化性: 10.915229 Å^3
• 极化表面积: 74.6 Å^2
• 可自由旋转的化学键: 2
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: Freely soluble in water
• 外观: Monoclinic crystals
• 熔点: ~90 °C (decomposition); 200-202 °C(lit.); 202-204 °C; 204-205 °C; 88-94 °C(lit.); 88-94°C; 91-95 °C
• 沸点: 250 °C (decomp.)
• 密度: 1.31 g/cm^3; 1.62 g/cm3

安全信息

• 保存条件: Room Temperature (15-30°C), Desiccate
• RTECS编号: GE6650000; OX5075000
• 欧盟危险性物质标志: 刺激性(Irritant) (Xi); 有害性(Harmful) (Xn)
• 德国WGK号: 3
• 危险公开号: 22; 36/37/38; R:22; R22
• 安全公开号: 26-36; 36; S:36/37/39; S36
• GHS危险品标识: GHS07
• GHS警示词: Warning
• GHS危险声明: H302; H315-H319-H335
• GHS警示性声明: P261-P305 + P351 + P338
• 个人保护装置: dust mask type N95 (US), Eyeshields, Gloves

产品相关信息

• 纯度: ≥99%; ≥99.0% (T); 98%; 99%
• 级别: purum
• 燃烧残渣: ≤0.1%
• 线性分子式: CH3C(CO2H)=CHCO2H; HOOCCH=C(CH3)COOH

详细说明

MP Biomedicals - 05202144

MP Biomedicals Rare Chemical collection

MP Biomedicals - 02150694

Purity: 99+%

Sigma Aldrich - C82604

包装
100 g in poly bottle
5 g in glass bottle
Other Notes
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. C82604.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. C82604.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.

Sigma Aldrich - 131040

包装
10, 50 g in poly bottle
Other Notes
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 131040.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.