Caffeic acid, 99%

Name: Caffeic acid, 99%
Brand: Vaqora Chemicals
SKU: VQ-002794

About Caffeic acid, 99%

Vaqora Chemicals supplies Caffeic acid (Synthesis grade), a bioactive small molecule registered under CAS number 331-39-5 with a typical assay of 99%. Its molecular formula is C9H8O4 and its molecular weight is 180.16 g/mol. Its systematic (IUPAC) name is (E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid. Common synonyms include 3,4-Dihydroxycinnamic acid and 3,4-Dihydroxybenzeneacrylic acid.

In its supplied form it is a slightly beige powder. Key physical data: a melting point of 211-213 °C (dec.). Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span cell signalling research, pharmacological screening and target validation. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 1 g, 5 g, 10 g and 50 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Cell signalling research
Pharmacological screening
Target validation

Industries

Specifications & identifiers

Chemical identifiers
Product name	Caffeic acid, 99%
Catalogue No.	VQ-002794
CAS Number	331-39-5
IUPAC name	(E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid
Molecular formula	C₉H₈O₄
Molecular weight	180.16 g/mol
Exact mass	180.0423
Grade	Synthesis
Purity / assay	99%
HSN code	29182990
InChIKey	QAIPRVGONGVQAS-DUXPYHPUSA-N
SMILES	C1=CC(=C(C=C1/C=C/C(=O)O)O)O
PubChem CID	689043

Physical properties
Physical form	Powder
Appearance	Slightly beige powder
Melting point	211-213 °C (dec.)
LogP (XLogP3)	1.2
H-bond donors / acceptors	3 / 4
TPSA	77.8 Å²
Synonyms	3,4-Dihydroxycinnamic acid, 3,4-Dihydroxybenzeneacrylic acid, 3-(3,4-Dihydroxyphenyl)-2-propenoic acid, Cinnamic acid, 3,4-dihydroxy-, 2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-, 4-(2-Carboxyethenyl)-1,2-dihydroxybenzene, 3-(3,4-Dihydroxyphenyl)propenoic acid, 4-(2'-Carboxyvinyl)-1,2-dihydroxybenzene, trans-3,4-Dihydroxycinnamic Acid, 2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-, (2E)-, Caffeic Acid 1507, caffeic acid, (E)-

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H351Suspected of causing cancer
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Caffeic acid, 99%?

The CAS Registry Number of Caffeic acid, 99% is 331-39-5. It is also known as 3,4-Dihydroxycinnamic acid, 3,4-Dihydroxybenzeneacrylic acid, 3-(3,4-Dihydroxyphenyl)-2-propenoic acid.

What is the molecular formula and molecular weight of Caffeic acid, 99%?

Caffeic acid, 99% has the molecular formula C9H8O4 and a molecular weight of 180.16 g/mol. Its IUPAC name is (E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid.

Which grade and pack sizes of Caffeic acid, 99% can I order?

We supply Caffeic acid, 99% in Synthesis (99%) grade, in 1 g, 5 g, 10 g, 50 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Caffeic acid, 99%?

Yes. Every lot of Caffeic acid, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Caffeic acid, 99% be shipped internationally?

Yes. Caffeic acid, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.