Ellagic acid

Description

Ellagic acid · CAS 476-66-4 · C14H6O8. UNII 19YRN3ZS9P. Melting Point: Greater than 360°C; Melting Point: >360 °C; Melting Point: > 360 °C.

Identification

CAS Registry Number	476-66-4
PubChem CID	5281855
Molecular formula	C14H6O8
IUPAC name	6,7,13,14-tetrahydroxy-2,9-dioxatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),4,6,8(16),11,13-hexaene-3,10-dione
UNII (FDA)	19YRN3ZS9P

Computed Descriptors

Molecular Weight	302.19
XLogP3	1.1
Hydrogen Bond Donor Count	4
Hydrogen Bond Acceptor Count	8
Rotatable Bond Count	0
Exact Mass	302.00626715
Monoisotopic Mass	302.00626715
Topological Polar Surface Area	134
Heavy Atom Count	22
Formal Charge	0

Physical & Chemical Properties

Melting Point	Greater than 360°C
Melting Point	>360 °C
Melting Point	> 360 °C

Physical description & handling notes

• Ellagic acid appears as cream-colored needles (from pyridine) or yellow powder. Odorless. (NTP, 1992)
• Cream-colored solid; [Merck Index] Powder; [Sigma-Aldrich MSDS]
• Solid
• Cream colored needles from pyridine
• greater than 680 °F (NTP, 1992)
• mp: >300 °C /Hydrate, technical grade/

Regulatory Status

GHS notification summary	1.2% (1 / 84)

GHS Hazard Classification

GHS notification summary	1.2% (1 / 84)
Reported hazard statements	H315 (98.8%), H319 (98.8%), H335 (97.6%)

Documented Uses

• Found free or combined in galls; Used as a hemostatic; [Merck Index] Used in research and as a dye; [ChemIDplus] Used in blood coagulation research, as an antioxidant in cosmetics, and in pomegranate nutraceuticals; [HSDB] Used as an intestinal astringent, to control capillary oozing, as a hemostatic, prototype for cancer-preventing drugs, and formerly to dye chromed wool yellow; [NTP]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Diagnostic reagent in blood coagulation research
• Free-radical inhibiting antioxidant useful in cosmetics intended to protect the product from oxidative damage from UV radiation or singlet oxygen formation ... Use levels are normally about 0.1% and rarely exceed 0.2%.
• Ellagic acid (EA), derived from fruit ellagitannins, is known to be antimutagenic and anticarcinogenic in various animal tumor models ...
• Prepd by sodium persulfate oxidation of gallic acid or by acid hydrolysis of crude tannin from walnuts.

Synonyms

ellagic acid; 476-66-4; Benzoaric acid; Lagistase; Eleagic acid; Elagostasine; 2,3,7,8-Tetrahydroxychromeno[5,4,3-cde]chromene-5,10-dione; Alizarine Yellow; Gallogen; Acide ellagique; Acido elagico; Llagic acid; Acidum ellagicum; Gallogen (astringent); C.I. 55005; C.I. 75270

Frequently Asked Questions

What are the CAS number and molecular formula of Ellagic acid?

CAS 476-66-4; molecular formula C14H6O8; molecular weight — g/mol.

What other names is Ellagic acid known by?

ellagic acid, 476-66-4, Benzoaric acid, Lagistase, Eleagic acid, Elagostasine.

Is Ellagic acid classified as hazardous?

1.2% of GHS notifications report no hazard classification (1 of 84).

What are the key physical properties of Ellagic acid?

Melting Point: Greater than 360°C; Melting Point: >360 °C; Melting Point: > 360 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.