Succinic Acid

CAS NO. 110-15-6

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Succinic acid CAS 110-15-6 Amber acid acid Acido succinico proveedor Biodegradability

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Parameter	Standard Grade	Premium Grade
CAS Number	110-15-6
Appearance	White crystalline powder	White crystalline powder
Assay (HPLC)	≥ 99.5%	≥ 99.7%
Melting Range	184 – 188 °C	185 – 188 °C
Moisture	≤ 0.50%	≤ 0.40%
Chloride (as Cl⁻)	≤ 0.005%	≤ 0.002%
Sulfate (as SO₄²⁻)	≤ 0.05%	≤ 0.01%
Iron (Fe)	≤ 0.002%	≤ 0.001%
Heavy Metals (as Pb)	≤ 0.005%	≤ 0.001%
Arsenic (As)	Available on request	Not detected
Residue on Ignition	≤ 0.025%	≤ 0.01%
Readily Oxidizable Substances	≤ 0.60 mL/g	≤ 0.40 mL/g
Fumaric Acid	Available on request	≤ 0.01%
Water-Insoluble Matter	Available on request	Not detected
Molecular Formula / Weight	C₄H₆O₄ / 118.09 g/mol
Standard Packaging	25 kg bag

✓ Nexal commercial specification — both grades. Batch-specific Certificate of Analysis (COA) and Safety Data Sheet (SDS) available on request. Please specify the required grade when requesting a quote.

Industrial Applications of Succinic Acid (CAS 110-15-6)

Succinic acid (butanedioic acid, C₄H₆O₄) is one of the most established four-carbon dicarboxylic acid building blocks in industrial chemistry, with a documented history of use spanning more than a century. The two carboxyl groups separated by a short methylene bridge make it a versatile starting material across multiple downstream chemistries. The application categories below describe broad classes of use that have been part of the public industrial literature for several decades. Nexal Inc. supplies both 99.5% and 99.7% (HPLC) grades.

• Food & Beverage Acidulant and Flavor Modifier

Succinic acid has a long-standing role as an acidulant, pH regulator, and flavor modifier in food and beverage formulations. It is recognized in the United States as a GRAS substance and listed in the European Union as food additive E363. It contributes a characteristic combination of saltiness, bitterness, and acidity that has made it part of standard formulating practice for decades. Buyers are responsible for verifying that the grade and documentation match the specific food-contact requirements of their jurisdiction and end-use.

Typical end-use categories: beverage acidulants, seasoning blends, fermented foods, confectionery pH regulators

• Aliphatic Polyester & Polyamide Chemistry

As a four-carbon dicarboxylic acid, succinic acid is a classical monomer in aliphatic polyester and polyamide chemistry — a class of use that has been established in the polymer industry for several decades. It participates in standard polycondensation reactions with diols and diamines to form a range of well-characterized polymer backbones documented throughout the public technical literature.

Typical end-use categories: aliphatic polyester resins, polyester polyols, polyamide intermediates

• Alkyd Resins, Coatings & Plasticizer Esters

Succinic acid and its anhydride have been used in alkyd resin chemistry, coating formulations, and dialkyl plasticizer ester production since the early decades of the modern coatings industry. Lower-chain succinate esters function as plasticizers, solvent carriers, and coupling agents, while higher-chain succinate esters appear in the broader literature on lubricant additives, metalworking fluid components, and surfactant intermediates.

Typical end-use categories: alkyd resins, dialkyl succinate plasticizers, coating intermediates, lubricant ester components

• Fine Chemical Synthesis Building Block

The two carboxyl groups and short methylene bridge make succinic acid a versatile starting material in fine chemical synthesis. It serves as a precursor in classical organic transformations including esterification, anhydride formation, amidation, and reduction — reactions that have been part of standard synthetic chemistry curricula and reference texts for many decades. Notable derivatives in the public literature include succinic anhydride, succinimide, and dialkyl succinates such as diethyl succinate (the substrate of the well-known Stobbe condensation).

Typical end-use categories: succinic anhydride, succinimide, diethyl succinate, fine chemical intermediates

• Surfactant Intermediates & Ion Chelation Chemistry

The dicarboxylic acid functionality enables succinic acid to act as a building block in classical surfactant and chelating agent synthesis. It has appeared in the published industrial chemistry literature for many decades as a precursor to anionic surfactants and as a mild ion-sequestering agent in formulations where a non-aromatic, biodegradable carboxylic acid backbone is preferred over more complex chelators.

Typical end-use categories: anionic surfactant intermediates, mild chelating agents, formulation acidifiers

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