Product Identification

Product Name

Diethylstilbestrol

Synonyms

(E)-alpha,beta-Diethylstilbene-4,4'-diol
Stilboestrol

CAS

56-53-1

Formula

C18H20O2

Molecular Weight

268.36

EINECS

200-278-5

RTECS

WJ5600000

RTECS Class

Agricultural Chemical and Pesticide; Tumorigen; Drug; Mutagen; Reproductive Effector; Human Data; Hormone; Natural Product

Merck

12,3177

Beilstein/Gmelin

2056095

Beilstein Reference

4-06-00-06856

Physical and Chemical Properties

Appearance

Odorless tasteless white crystalline powder.

Solubility in water

Insoluble

Melting Point

169-172

Boiling Point

407

Partition Coefficient

5.07

Usage

Therap cat: estrogen.

Refractive Index

1.5299

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

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

Skin

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

Eyes

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

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

Wash thoroughly after handling. Use only in a well ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

Inhalation of dust may cause respiratory tract irritation.

Skin

May cause skin irritation. Causes glandular system effects by skin contact.

Eyes

May cause eye irritation.

Ingestion

May cause irritation of the digestive tract. Ingestion causes human reproductive effects.

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Exposure Effects

May cause liver and kidney damage.

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Fire Potential

This material is probably combustible.

Accidental Release Measures

Small spills/leaks

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions.

Stability and Reactivity

Stability

No data.

Incompatibilities

Strong oxidizing agents, strong bases, acids, chlorides, acid anhydrides.

Decomposition

Carbon monoxide, carbon dioxide.