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Molekula

Molekula

Azelaic acid, Flake form

SKU 90028396 CAS 123-99-9 HOOC(CH2)7COOH MW 188.22 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Azelaic acid, a dicarboxylic acid with the molecular formula HOOC(CH2)7COOH, is primarily used in dermatology for treating acne and rosacea, as well as in industrial applications like plasticizers and polymer synthesis. It appears as white flakes with a CAS number of 123-99-9 and a molecular weight of 188.22 g/mol. Store at ambient conditions, with a signal word of Warning for safety handling.

Molekula supplies Azelaic acid, Flake form at ≥99.0% purity in 100 g packs, from £74.40 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

In stock — same-day dispatch

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 100 g — £62.00 per pack ex VAT · £74.40 inc. VAT

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

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Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance Off white/ cream flakes
Heavy metals ≤0.0002%
Chloride (Cl-) ≤0.0001%
Purity ≥99.0%
Moisture ≤1.0%
Iron (Fe) ≤0.0002%
Sulphates (SO4)(2-) ≤0.0005%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 210 °C
Acidity Acid

Identification

Property Value
SKU 90028396
CAS Number 123-99-9
Molecular Formula HOOC(CH2)7COOH
Molecular Weight 188.22
SMILES O=C(O)CCCCCCCC(=O)O
REACH Code Y110
TSCA Listed Yes
HTS Code 29171300
Tariff Code 2917139090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P332+313 IF skin irritation occurs: Get medical advice/attention
  • P337+313 If eye irritation persists get medical advice/attention

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Quality certificates

Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is azelaic acid used for?

Azelaic acid is primarily used in dermatology for treating acne, rosacea, and hyperpigmentation, as well as in cosmetics and skincare formulations for its anti-inflammatory and keratolytic properties.

What is the chemical formula and molecular weight of azelaic acid?

The chemical formula is HOOC(CH₂)₇COOH and the molecular weight is 188.22 g/mol.

How should azelaic acid (flake form) be stored?

Store azelaic acid flakes at ambient temperature in a dry, well-ventilated area, away from incompatible substances.

What grades of azelaic acid does Molekula supply?

Molekula supplies azelaic acid in flake form with a purity of ≥99.0%, moisture ≤1.0%, and specified limits for heavy metals (≤0.0002%), iron (≤0.0002%), chloride (≤0.0001%) and sulphates (≤0.0005%).

Can Molekula supply azelaic acid in bulk quantities?

Yes, Molekula can provide azelaic acid in bulk, with flexible packaging options including drums, bags, or custom solutions based on your requirements.

What documentation comes with an order of azelaic acid?

Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation to ensure compliance with regulatory and quality standards.

Where can I buy Azelaic acid, Flake form?

Directly from Molekula, which lists Azelaic acid, Flake form in 100 g packs from £74.40 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.

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