Product Identification

Product Name

Cianidanol

Synonyms

(+)-Cyanidan-3-ol
2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R-trans)-
Catechinic acid
Catechuic acid
D-(+)-Catechin
d-Catechin

CAS

154-23-4

Formula

C15H14O6

Molecular Weight

290.27

EINECS

205-825-1

RTECS

DJ3450000

Merck

12,1950

Beilstein/Gmelin

92757

Beilstein Reference

5-17-08-00447

Physical and Chemical Properties

Appearance

Green needles.

Solubility in water

Slightly soluble

Melting Point

308.5

Boiling Point

629

Vapor Pressure

1.1E-16 (25 C)

Density

1.593 g/cm3

pKa/pKb

9.54 (pKa)

Partition Coefficient

.491

Heat Of Vaporization

97.85 kJ/mol

Usage

Substance is used in dyeing and tanning.

First Aid Measures

Ingestion

Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Loosen tight clothing, such as a collar, tie, belt or waist band. Get medical attention.

Inhalation

Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention.

Skin

Wash with soap and water. Cover irritated area with an emollient.

Eyes

Immediately flush eyes with water for at least 15 minutes. Get medical attention.

Handling and Storage

Storage

Keep away from heat and sources of ignition. Ground all equipment containing material. Keep container tightly closed in a cool, well-ventilated area.

Exposure Controls/Personal Protection

Personal Protection

Wear splash goggles, lab coat and gloves.

Respirators

Dust respirator.

Exposure Effects

Causes irritation of the eyes, skin, and respiratory tract.

Poison Class

4

Fire Fighting Measures

Flash Point

334.3

Fire Fighting

Extinguish using dry chemical powder, water spray or foam.

Fire Potential

May be combustible at high temperature.

Accidental Release Measures

Small spills/leaks

Use appropriate tools to put the spilled solid in a waste disposal container. Finish cleaning by spreading water on the contaminated surface and dispose of according to local and regional authority.

Stability and Reactivity

Stability

Stable at normal temperatures and pressures.