Skip to content
Molekula

Molekula

Azelaic acid

CAS 123-99-9 HOOC(CH2)7COOH MW 188.22 In stock

Azelaic acid is a saturated dicarboxylic acid used in dermatological treatments for acne and rosacea, and as a research reagent in organic synthesis. It appears as a white crystalline powder with a molecular weight of 188.22 g/mol, a molecular formula of HOOC(CH2)7COOH, and a CAS number of 123-99-9. It is stable at ambient storage conditions and carries a warning signal word due to potential skin and eye irritation. Molekula supplies Azelaic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Azelaic acid is a saturated dicarboxylic acid used in dermatological treatments for acne and rosacea, and as a research reagent in organic synthesis. It appears as a white crystalline powder with a molecular weight of 188.22 g/mol, a molecular formula of HOOC(CH2)7COOH, and a CAS number of 123-99-9. It is stable at ambient storage conditions and carries a warning signal word due to potential skin and eye irritation. Molekula supplies Azelaic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White to off-white powder
Heavy metals ≤ 0.001%
Sulfate (SO4) ≤ 0.025%
Chloride (Cl) ≤ 0.005%
Assay ≥ 99.0%
Iron (Fe) ≤ 0.002%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 210 C
Shelf Life 24 months
Acidity Acid

Identification

Property Value
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 — Explosive Explosive GHS01

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

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

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.

Pricing & pack sizes

Pack sizes & pricing

  • 100 g

    €92.90 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is azelaic acid used for?

Azelaic acid is commonly used in dermatological treatments for acne and rosacea, and it also serves as a precursor in the synthesis of polyamides and other specialty chemicals.

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

The formula is HOOC(CH2)7COOH with a molecular weight of 188.22 g/mol.

How should azelaic acid be stored?

Azelaic acid should be stored at ambient temperature, protected from moisture and light.

What grade of azelaic acid does Molekula supply?

Molekula supplies azelaic acid in technical grade; custom grades are available upon request.

Can Molekula supply azelaic acid in bulk?

Yes, Molekula can supply azelaic acid in bulk quantities; please contact our sales team for pricing and availability.

What documentation comes with an order of azelaic acid?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us what you need and our sales team will come back with pricing and lead times.
Full name
Email
Product
Quantity
Note