Azelaic Acid CAS 123-99-9

Longchang sourcing page for Azelaic Acid / nonanedioic acid, CAS 123-99-9. Send the intended application, target specification, quantity and destination to request the current specification, analytical methods, applicable lot COA, SDS status, sample availability, packaging, MOQ and confirmed lead time.

Verified chemical identity

Information to request for qualification

Historical source-record fields

The previous page displayed 99% purity, individual old test results and 25 kg/drum packaging. It did not show a current analytical method, approved specification version, lot number, effective date or commercial confirmation. Those legacy values are not a current Longchang specification, lot result, packaging commitment, inventory statement or delivery guarantee. Request current controlled information for the quotation and material being evaluated.

Application screening

Authoritative compiled references list Azelaic Acid in organic synthesis and in selected lacquers, alkyd resins, low-temperature plasticizers, adhesives, polyamides and urethane elastomers. These categories are starting points for technical evaluation. The buyer must validate the exact material against the reaction or formulation, impurity profile, scale, performance requirements and destination-market rules.

For detailed application questions and an RFQ checklist, read the Azelaic Acid properties and industrial sourcing guide.

Structure and formula verification

Azelaic Acid has condensed structure HOOC-(CH₂)₇-COOH and formula C₉H₁₆O₄. Confirm the two terminal carboxylic-acid groups and CAS 123-99-9 rather than relying on a formula-only match or a broken catalog image.

For identifier, molecular-weight, melting-point and solubility context, read the Azelaic Acid structure, formula and molecular identity guide.

Regulatory and grade boundary

CAS 123-99-9 establishes a substance identity; it does not establish pharmaceutical, cosmetic, food or another regulated grade. A finished drug label applies to its named formulation and approval, not automatically to a raw material. Azelaic Acid is also not food additive E900: EU legislation identifies E 900 as dimethyl polysiloxane.

State the intended use and destination market so the required grade evidence, manufacturing controls, regulatory documents and buyer qualification can be assessed explicitly.

Safety and handling boundary

This product page is not a substitute for an SDS or a site-specific risk assessment. Confirm the current supplier SDS and use it with local regulations and the buyer’s procedures to define classification, receipt, storage, transfer, processing, transport and disposal controls for the material supplied.

Request a specification, COA, SDS or sample

E-mail info@longchangchemical.com and include:

• Azelaic Acid, CAS 123-99-9, intended application and destination market;
• required tests, methods/limits and any buyer specification;
• quantity, sample need, packaging constraints and destination;
• required documents and requested delivery window.