2-Methylenesuccinic acid

Basic Information

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CAS Number

97-65-4

Molecular Formula

C5H6O4

Molecular Weight

130.1 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

165-168 °C

Boiling Point

268°C

Density

1.573 g/mL at 25 °C

Water Solubility

Soluble in water, acetone, methanol, hexane and ethanol. Slightly soluble in benzene, chloroform, carbon disulfide and petroleum ether.

Flash Point

268°C

Solubility

77.49g/l

Refractive Index

1.4980 (estimate)

SMILES

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OC(=O)CC(=C)C(=O)O

InChI

InChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h1-2H2,(H,6,7)(H,8,9)

InChIKey

LVHBHZANLOWSRM-UHFFFAOYSA-N

LogP

0.10190000000000005

pKa

3.85(at 25℃)

Topological Polar Surface Area

74.6 Å²

Hydrogen Bond Donor/Acceptor

2 / 4

Complexity

158

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Storage Conditions

2-8℃

Sensitiveness

Hygroscopic

Synonyms & References

English

2-Methylenesuccinic acid
Methylenesuccinic acid
Methylenebutanedioic acid
Itaconic acid
2-Methylidenebutanedioic acid
Benzene,1-fluoro-2-(phenylmethoxy)-
2,2'-Biquinoline
2-HYDROXY-3-NAPHTHOYL-2-NAPHTHYLAMINE
2-methylenebutandioic acid
2-METHYLENE-SUCCINIC ACID
ITACONIC ACID pure
ItaconicAcidMin
Itaconsure
methylene-butanedioicaci
METHYLENESUCCINIC ACID FOR SYNTHESIS
methylene-succinicaci
Propylenedicarboxylic acid
2-Propene-1,2-dicarboxylic Acid
衣康酸
Propylenedicarboxylic acid
itaconate
Butanedioic acid, methylene-
Succinic acid, methylene-
2-methylenebutanedioic acid
Itaconic acid polymers
Poly(itaconic acid)
Itaconic acid polymer
Methylenesuccinic acid polymers
Poly(2-methylenesuccinic acid)
butanedioic acid, 2-methylene-
M

MDL Number

MFCD00004260

Customs Code

2917190090

FAQ

What is 2-Methylenesuccinic acid (CAS: 97-65-4)?

2-Methylenesuccinic acid, also known as maleic acid, is a dicarboxylic acid with the chemical formula C4H4O4. It is a colorless solid that is soluble in water and has a sharp, sour odor. This compound is characterized by its conjugated double bond system, which contributes to its reactivity and utility in various chemical applications.

What are the main uses of 2-Methylenesuccinic acid (CAS: 97-65-4)?

2-Methylenesuccinic acid (CAS: 97-65-4) is widely used in the pharmaceutical industry for the synthesis of drugs and as a precursor for various organic compounds. It also finds applications in the production of polymers, dyes, and as a food additive. In research, it serves as a key reagent in chemical reactions and for pH control in analytical processes.

Is 2-Methylenesuccinic acid (CAS: 97-65-4) safe?

2-Methylenesuccinic acid (CAS: 97-65-4) is generally considered safe when handled properly. However, it may cause skin and eye irritation. Safety standards recommend using appropriate personal protective equipment (PPE) such as gloves and goggles. It should be kept away from heat and incompatible substances to prevent hazardous reactions.

How should 2-Methylenesuccinic acid (CAS: 97-65-4) be stored?

2-Methylenesuccinic acid (CAS: 97-65-4) should be stored in a cool, dry, and well-ventilated area, away from direct light. It is best kept in a sealed container to prevent moisture absorption. Storage conditions should maintain a temperature below 25°C and humidity levels below 60% to ensure stability and prolong shelf life.