Molekula
3,4-Dihydroxycinnamic acid (Caffeic acid)
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
3,4-Dihydroxycinnamic acid, commonly known as caffeic acid, is a natural phenolic compound found in plants, widely used in pharmaceuticals, cosmetics, and as a dietary supplement for its antioxidant and anti-inflammatory properties. It is also employed in food preservation and as a precursor in chemical synthesis. This white to light yellow crystalline powder has a CAS number of 331-39-5, a molecular formula of (HO)2C6H3CH=CHCO2H, and a molecular weight of 180.16. It can be stored at ambient conditions and carries a signal word of Warning for handling. Molekula supplies 3,4-Dihydroxycinnamic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
3,4-Dihydroxycinnamic acid, commonly known as caffeic acid, is a natural phenolic compound found in plants, widely used in pharmaceuticals, cosmetics, and as a dietary supplement for its antioxidant and anti-inflammatory properties. It is also employed in food preservation and as a precursor in chemical synthesis. This white to light yellow crystalline powder has a CAS number of 331-39-5, a molecular formula of (HO)2C6H3CH=CHCO2H, and a molecular weight of 180.16. It can be stored at ambient conditions and carries a signal word of Warning for handling. Molekula supplies 3,4-Dihydroxycinnamic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Yellowish to light brown powder |
| Heavy metals | ≤10 ppm |
| Total plate count | ≤1000 cfu/g |
| Salmonella | Negative |
| Loss on Drying | ≤5.0% |
| Assay | ≥99.0% |
| Mesh size | 80 mesh |
| E. Coli | Negative |
| Mould & Yeast | ≤100 cfu/g |
| For research use only, not for human use | For research use only, not for human use |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 77345158 |
| CAS Number | 331-39-5 |
| Molecular Formula | (HO)2C6H3CH=CHCO2H |
| Molecular Weight | 180.16 |
| SMILES | C1=CC(=C(C=C1/C=C/C(=O)O)O)O |
| REACH Code | Y110 |
| HTS Code | 29182965 |
| Tariff Code | 2918290090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H351 Suspected of causing cancer
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P264 Wash thoroughly after handling
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 3,4-Dihydroxycinnamic acid (Caffeic acid) commonly used for?
Caffeic acid is widely used as an antioxidant, in food and beverage preservation, and as a raw material in pharmaceuticals, cosmetics, and natural supplements.
What is the chemical formula and molecular weight of Caffeic acid?
The chemical formula is (HO)₂C₆H₃CH=CHCO₂H, and the molecular weight is 180.16 g/mol.
How should Caffeic acid be stored?
Store at ambient temperature in a cool, dry place, away from direct sunlight and moisture.
What purity grades of Caffeic acid does Molekula supply?
Molekula supplies Caffeic acid in analytical (99%+) and technical grades; contact us for specific purity requirements.
Can Molekula supply Caffeic acid in bulk quantities?
Yes, we offer bulk quantities of Caffeic acid; minimum order quantities and pricing depend on the grade and application.
What documentation comes with an order of Caffeic acid?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
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.