CAS 498-23-7 MFCD00078086-2-Methylmaleic Acid 2-甲基马来酸 TAO{mole}

2-Methylmaleic Acid 2-甲基马来酸

CAS 498-23-7 MFCD00078086

化学结构图

SMILES: C/C(=C/C(O)=O)/C(O)=O

化学属性

Mol. Formula	C5H6O4
Mol. Weight	130.10
Density	1.62
TSCA	No
Melting Point	88-94 °C
Solubility	易溶
Boiling Point	160.75 °C at 760 mmHg

别名和识别编码

Chemical Name	2-Methylmaleic Acid
CAS Number	498-23-7
Alfabeta Name	METHYLBUTENEDIOICACID 22---
MDL Number	MFCD00078086
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 Number	207-858-7
Merck Number	2321
Beilstein Registry Number	2,768
PubChem Substance ID	87565495
Reaxys-RN	1722679
Chemical Name Translation	2-甲基马来酸
Wiswesser Line Notation	QVY1&U1VQ
LabNetwork Molecule ID	LN00159539
InChI	InChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)/b3-2-
Canonical SMILES	O=C(O)/C(C)=C\C(O)=O

信息真实价格透明资金保障专业采购外包团队在线服务

品牌质保精细包装现货库存一流品牌服务

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 {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {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)