2-Methylmaleic Acid 2-甲基马来酸

CAS 498-23-7 MFCD00078086

化学结构图

498-23-7
SMILES: C/C(=C/C(O)=O)/C(O)=O

化学属性

Mol. FormulaC5H6O4
Mol. Weight130.10
Density1.62
TSCANo
Melting Point88-94 °C
Solubility易溶
Boiling Point160.75 °C at 760 mmHg

别名和识别编码

Chemical Name2-Methylmaleic Acid
CAS Number498-23-7
Alfabeta NameMETHYLBUTENEDIOICACID 22---
MDL NumberMFCD00078086
Synonym Citraconic acid {LY} Citraconic acid {} {LY} Citraconic acid {} {} {LY} Citraconic acid {} {} {} {LY} Citraconic acid {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Citraconic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY}
EC Number207-858-7
Merck Number2321
Beilstein Registry Number2,768
PubChem Substance ID87565495
Reaxys-RN1722679
Chemical Name Translation2-甲基马来酸
Wiswesser Line NotationQVY1&U1VQ
LabNetwork Molecule IDLN00159539
InChIInChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)/b3-2-
Canonical SMILESO=C(O)/C(C)=C\C(O)=O
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分类

  • {SNA} Building Blocks, C1 to C5, Carbonyl Compounds, Carboxylic Acids, Chemical Synthesis, Organic Building Blocks
  • {uni_hamburg} no charge; carboxylic acid; 1fragment

相关文献及参考

  • Short: EINECS Title: EINECS (European Inventory of Existing Commercial Chemical Substances) Source: Official Journal of the European Communities Volume: C 146 A (15.06.1990) Page: 1 Year: 1990 Internet Resource: http://ecb.jrc.ec.europa.eu/esis/index.php?PGM=ein Publish_Date: 1990/06/15
  • Short: II/27B Title: Diamagnetic Susceptibility of Organic Compounds, Oils, Paraffins and Polyethylenes Author: Kumar, M.; Gupta, R. Editor: Gupta, Radha Raman Source: Landolt-Börnstein, New Series Volume: II/27B Year: 2008 Keyword: diamagnetic susceptibility; organic compounds ISBN: 978-3-540-44359-9 (print) ISBN: 978-3-540-45860-9 (online) Internet Resource: doi:10.1007/978-3-540-45860-9 RefComment: VIII, 503 p. With CD-ROM., Hardcover RefComment: Written for: Scientists and researchers in the fields of physics, chemistry, materials science RefComment: Supplement and Revised Editon to II/16 Abstract: The volume II/27 has been divided into three subvolumes according to the

安全信息

Warnings IRRITANT
RTECSGE6650000
Safety Statements
  • S37/39 Wear suitable gloves and eye/face protection 穿戴适当的手套和眼睛/面保护；
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
  • S36 Wear suitable protective clothing 穿戴适当的防护服；
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R22 Harmful if swallowed 吞咽有害
Storage condition 2-8°C {LY} 2-8°C Hygroscopic {} {LY} 2-8°C {} {} {LY} 2-8°C {} {} {} {LY} 2-8°C {} {} {} {} {LY} 2-8°C {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {
WGK Germany3
GHS Symbol
Hazard statements
  • H302 Harmful if swallowed 吞食有害
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
Signal word
Hazard Codes Xn
Precautionary statements
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西，喝水或吸烟。
  • P301+P312+P330
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Packing GroupIII
Hazard Class6.1(b)
UN Number 2811 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1320 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - tremor
   Gastrointestinal - ulceration or bleeding from stomach
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 2,327,1964

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 1350 mg/kg
TOXIC EFFECTS :
   Gastrointestinal - gastritis
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 2,327,1964

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2260 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - dyspnea
   Gastrointestinal - other changes
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 2,327,1964

其他信息

  • Acros Organics:柠康酸(甲基马来酸) Citraconic acid, 99+%(498-23-7)
  • MOL 文件:498-23-7.mol
  • MSDS 信息:Citraconic acid(498-23-7).msds
  • Sigma Aldrich:498-23-7(sigmaaldrich)
  • 柠康酸价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 C0363 柠康酸 Citraconic Acid 25G 306元 2014/06/02 C0363 柠康酸 Citraconic Acid 500G 2450元 2010/06/21 110430050 柠康酸 Citraconic acid 99+% 5 GR 287元
  • 敏感性:Hygroscopic
  • 下游产品:衣康酸
  • 上游原料:柠康酸酐
  • TCI Shanghai:(Z)-2-甲基-2-丁烯二酸 Citraconic Acid,>;97.0%(T)(498-23-7)
  • 图谱信息:柠康酸(498-23-7)红外图谱(IR2) 柠康酸(498-23-7)红外图谱(IR1) 柠康酸(498-23-7)质谱(MS)
  • Alfa Aesar:柠康酸,98+% Citraconic acid, 98+%(498-23-7)

系列性分类

  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Organic Acids - Synthetic Reagents
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Carbonyl Compounds 羰基化合物
  5. Carboxylic Acids - Carbonyl Compounds
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Carbonyl Compounds 羰基化合物
  5. Carboxylic Acids - Carbonyl Compounds
  6. C1 to C5 - Carboxylic Acids
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Carbonyl Compounds 羰基化合物
  5. Carboxylic Acids
  1. Medical Research Areas
  2. Metabolism
  3. Endogenous Metabolite  (内源性代谢物)

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