Product Identification

Product Name

Pimaricin

Synonyms

Myprozine
Natamycin
Pimafucin
Tennecetin

CAS

7681-93-8

Formula

C33H47NO13

Molecular Weight

665.74

EINECS

231-683-5

RTECS

TK3325000

RTECS Class

Agricultural Chemical and Pesticide; Drug; Mutagen; Natural Product

Merck

12,6513

Beilstein/Gmelin

1614878

Physical and Chemical Properties

Appearance

Solid.

Solubility in water

Insoluble

Density

1.020 g/cm3 (20 C)

pKa/pKb

3.72 (pKa)

Usage

Fungicide.

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

Inhalation

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.

Handling and Storage

Storage

Store in a cool, dry place. Keep container closed when not in use.

Handling

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate safety goggles, protective clothing and gloves.

Respirators

A respiratory protection program that meets OSHA's 29 CFR ß1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Exposure Effects

The toxicological properties of this material have not been investigated.

Poison Class

4

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus inpressure-demand, MSHA/NIOSH (approved or equivalent), and fullprotective gear. Use agent most appropriate to extinguish fire.

Accidental Release Measures

Small spills/leaks

Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.

Stability and Reactivity

Incompatibilities

Isolate from strong oxidizers.

Stability

Stable under normal temperatures and pressures.

Hazards Identification

Hazards

During a fire, irritating and highly toxic gasesmay be generated by thermal decomposition or combustion.