
Succinic Acid is a naturally occurring dicarboxylic acid with the molecular formula C₄H₆O₄, also represented as (CH₂)₂(CO₂H)₂. Its structure contains a four carbon chain with two carboxylic acid groups and it normally occurs as a white odorless solid. In biological systems, its succinate form is an important intermediate in the citric acid (TCA) cycle, where it is converted to fumarate by succinate dehydrogenase and contributes to cellular energy metabolism. Also known as butanedioic acid, succinic acid is an important organic building block for the synthesis of numerous chemical derivatives and industrial materials.

CAS No.: 110-15-6
Synonyms: 1,4-Butanedioic acid, butanedioic acid.
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| Physical Properties | |
| Chemical formula | C4H6O4 |
| IUPAC Name | Butanedioic acid |
| Molecular weight | 118.09 g/mol |
| Solubility | Soluble in water |
| Density | 1.56 g/cm3 at 20 °C |
| Appearance | White solid or crystals. |
| Storage | Store at room temperature |
| Chemical Properties | |
| Color | White or colorless |
| Physical State | Solid |
| Melting Point | 184-186 °C |
| Boiling Point | 235 °C |
| Ph | 2.7 (20 °C, 10 g/L in H2O) |
| Odor | Odorless |
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| Pictograms : | ![]() |
| Hazard Statements : | H318: Causes serious eye damage |
| Precautionary Statements: | P280: Wear protective gloves/eye protection P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310: Immediately call a POISON CENTER/doctor |
Succinic Acid is a naturally occurring dicarboxylic acid with the molecular formula C₄H₆O₄, also represented as (CH₂)₂(CO₂H)₂. Its structure contains a four carbon chain with two carboxylic acid groups and it normally occurs as a white odorless solid. In biological systems, its succinate form is an important intermediate in the citric acid (TCA) cycle, where it is converted to fumarate by succinate dehydrogenase and contributes to cellular energy metabolism. Also known as butanedioic acid, succinic acid is an important organic building block for the synthesis of numerous chemical derivatives and industrial materials.

CAS No.: 110-15-6
Synonyms: 1,4-Butanedioic acid, butanedioic acid.
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| Physical Properties | |
| Chemical formula | C4H6O4 |
| IUPAC Name | Butanedioic acid |
| Molecular weight | 118.09 g/mol |
| Solubility | Soluble in water |
| Density | 1.56 g/cm3 at 20 °C |
| Appearance | White solid or crystals. |
| Storage | Store at room temperature |
| Chemical Properties | |
| Color | White or colorless |
| Physical State | Solid |
| Melting Point | 184-186 °C |
| Boiling Point | 235 °C |
| Ph | 2.7 (20 °C, 10 g/L in H2O) |
| Odor | Odorless |
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| Pictograms : | ![]() |
| Hazard Statements : | H318: Causes serious eye damage |
| Precautionary Statements: | P280: Wear protective gloves/eye protection P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310: Immediately call a POISON CENTER/doctor |
Succinic Acid is used in some skincare and cosmetic formulations. Its role depends on the concentration and overall formulation, and it may be incorporated into products intended to support skin conditioning and texture.
Succinic acid is also known as butanedioic acid, its IUPAC name. Historically, it has been called amber acid because it was originally isolated from amber, while its ionized form is known as succinate.
Succinic acid is not necessarily better than salicylic acid. It is a milder option that may be more suitable for sensitive skin, while salicylic acid provides stronger exfoliating and pore-cleansing effects. The better choice depends on the intended skin-care application and skin type.
Succinic acid occurs naturally in living organisms, including plants and animals and has also been reported in fungi and lichens. In cells, its succinate form is part of the TCA cycle.