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Name MESACONIC ACID
EINECS207-859-2
CAS No. 498-24-8
Density1.387 g/cm³
PSA74.60000
LogP0.10190
Solubility26.3g/L(18 oC)
Melting Point200-202 ºC
FormulaC5H6 O4
Boiling Point336.6 °C at 760 mmHg
Molecular Weight130.1
Flash Point171.5 °C
Transport InformationN/A
AppearanceN/A
SafetyModerately toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and fumes.
Risk CodesR36/37/38
Molecular Structure
Hazard Symbols
Synonyms
Article Data77

MESACONIC ACID Synthetic route

: 2409-52-1
diethylitaconate

: 498-24-8
Mesaconic acid

Conditions

Conditions	Yield
Stage #1: diethylitaconate With 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene Heating; Stage #2: With hydrogenchloride for 3h; Heating;	80%

: 97-65-4
2-methylenesuccinic acid

A: 79-41-4
poly(methacrylic acid)

B: 498-23-7
citraconic acid

C: 498-24-8
Mesaconic acid

Conditions

Conditions	Yield
With 5% Pt/Al2O3; sodium hydroxide In water at 250℃; for 1h; Reagent/catalyst; Temperature; Inert atmosphere;	A 68% B n/a C n/a
With sodium hydroxide In water at 180℃; under 112511 Torr; for 0.241667h;	A 27.26 %Spectr. B 36.48 %Spectr. C 16.23 %Spectr.
With sodium hydroxide at 280℃; for 0.0583333h;	A 57.08 %Chromat. B 5.91 %Chromat. C 5.72 %Chromat.
With sodium hydroxide at 250℃; for 0.25h; Reagent/catalyst;

: 77-92-9
citric acid

A: 79-41-4
poly(methacrylic acid)

B: 498-23-7
citraconic acid

C: 498-24-8
Mesaconic acid

D: 97-65-4
2-methylenesuccinic acid

Conditions

Conditions	Yield
With 4-methoxy-phenol; triphenylphosphine In water at 225℃; under 20686.5 Torr; for 1.5h; Temperature; Glovebox; Inert atmosphere;	A 24.1% B n/a C n/a D n/a
With sodium hydroxide at 250℃; for 0.25h; Reagent/catalyst;

: 59107-74-3
3-bromo-4-methyl-2,5-furandione

A: 498-24-8
Mesaconic acid

B: 498-21-5, 636-60-2
2-methylbutanedioic acid

Conditions

Conditions	Yield
With water; zinc

: 64-17-5
ethanol

: 498-23-7
citraconic acid

: 498-24-8
Mesaconic acid

Conditions

Conditions	Yield
Rate constant;

: 41138-18-5
2-methyl-fumaramide

: 498-24-8
Mesaconic acid

Conditions

Conditions	Yield
With hydrogenchloride

: 498-23-7
citraconic acid

: furan-2,3,5(4H)-trione pyridine (1:1)

: 498-24-8
Mesaconic acid

Conditions

Conditions	Yield
beim Kochem die entstehende Itaconsaeure;

: 498-23-7
citraconic acid

: 498-24-8
Mesaconic acid

Conditions

Conditions	Yield
at 180 - 200℃;
Quantum yield; Irradiation;
With diethyl ether; chloroform; bromine an der Sonne;

: 498-23-7
citraconic acid

A: 498-24-8
Mesaconic acid

B: 97-65-4
2-methylenesuccinic acid

Conditions

Conditions	Yield
With sodium hydroxide

: 498-23-7
citraconic acid

A: 498-24-8
Mesaconic acid

B: 79-10-7
acrylic acid

C: 74-99-7
prop-1-yne

Conditions

Conditions	Yield
bei der Elektrolyse von citraconsaeurem Kalium.Electrolysis;

MESACONIC ACID Chemical Properties

Product Name: Mesaconic acid (CAS NO.498-24-8)

Molecular Formula: C₅H₆O₄
Molecular Weight: 130.1g/mol
Mol File: 498-24-8.mol
Einecs: 207-859-2
Melting Point: 200-202 °C(lit.)
Boiling point: 336.6 °C at 760 mmHg
Flash Point: 171.5 °C
Density: 1.387 g/cm³
Surface Tension: 57.4 dyne/cm
Enthalpy of Vaporization: 63.72 kJ/mol
Vapour Pressure: 2.09E-05 mmHg at 25°C
XLogP3-AA: -0.1
H-Bond Donor: 2
H-Bond Acceptor: 4

MESACONIC ACID Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LDLo	intraperitoneal	500mg/kg (500mg/kg)		"Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 6, Pg. 147, 1954.

MESACONIC ACID Consensus Reports

Reported in EPA TSCA Inventory.

MESACONIC ACID Safety Profile

Moderately toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and fumes.
Safety Information of Mesaconic acid (CAS NO.498-24-8):
Hazard Codes: Xi
Risk Statements: 36/37/38
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements: 26-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing

MESACONIC ACID Specification

Mesaconic acid ,its CAS NO. is 498-24-8,the synonyms is (2E)-2-Methyl-2-butenedioic acid ; 2-Methylfumaric acid ; Butenedioic acid, methyl-, (E)- ; Fumaric acid, methyl- ; Kyselina mesakonova ; kyselinamesakonova ; Mesaconate ; methyl-fumaricaci .

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Product Name

MESACONIC ACID

MESACONIC ACID Synthetic route

MESACONIC ACID Chemical Properties

MESACONIC ACID Toxicity Data With Reference

MESACONIC ACID Consensus Reports

MESACONIC ACID Safety Profile

MESACONIC ACID Specification

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