| Formula / Notation | C4H4O4 |
|---|---|
| CAS Number | 110-16-7 |
| Molecular Weight | 116.07 |
| Melting Point | 266 to 268 °F (NTP, 1992) |
| Boiling Point | 275 °F at 760 mmHg (decomposes) (NTP, 1992) |
| Density | 1.59 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | greater than or equal to 100 mg/mL at 66 °F (NTP, 1992) |
| Appearance | Maleic acid is a colorless crystalline solid having a faint odor. It is combustible though it may take some effort to ignite. It is soluble in water. It is used to make other chemicals and for dyei... |
| Also Known As | (Z)-but-2-enedioic acid; 110-16-7; cis-butenedioic acid; Toxilic acid; Maleinic acid; Malenic acid; (2Z)-but-2-enedioic acid; (Z)-Butenedioic acid; cis-1,2-Ethylenedicarboxylic acid; 2-Butenedioic acid (Z)- |
| Category | Acids |
What is Maleic acid?
Maleic acid is a butenedioic acid in which the double bond has cis- (Z)-configuration. It has a role as a mouse metabolite, a plant metabolite and an algal metabolite. It is a conjugate acid of a maleate and a maleate(1-).
Formula & Notation
IUPAC Name: (Z)-but-2-enedioic acid
Other Names / Synonyms: (Z)-but-2-enedioic acid; 110-16-7; cis-butenedioic acid; Toxilic acid; Maleinic acid; Malenic acid; (2Z)-but-2-enedioic acid; (Z)-Butenedioic acid; cis-1,2-Ethylenedicarboxylic acid; 2-Butenedioic acid (Z)-
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 266 to 268 °F (NTP, 1992) |
| Boiling Point | 275 °F at 760 mmHg (decomposes) (NTP, 1992) |
| Density | 1.59 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Molecular Weight | 116.07 |
| Solubility | greater than or equal to 100 mg/mL at 66 °F (NTP, 1992) |
| Appearance | Maleic acid is a colorless crystalline solid having a faint odor. It is combustible though it may take some effort to ignite. It is soluble in water. It is used to make other chemicals and for dyei... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Maleic acid is a butenedioic acid in which the double bond has cis- (Z)-configuration. It has a role as a mouse metabolite, a plant metabolite and an algal metabolite. It is a conjugate acid of a maleate and a maleate(1-).
Used in industrial chemical synthesis, fertilizer production, battery electrolytes, metal processing, and laboratory acid-base reactions.
Corrosive. Causes severe burns to skin, eyes, and respiratory tract. Wear appropriate PPE including gloves, goggles, and lab coat. Consult SDS before use.
The formula or notation for Maleic acid is: C4H4O4