Product Identification

Product Name

Tizanidine

Synonyms

2,1,3-Benzothiadiazole, 5-chloro-4-(2-imidazolin-2-ylamino)-
2,1,3-Benzothiadiazole-4-amine, 5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-
5-Chloro-4-(2-imidazolin-2-ylamino)-2,1,3-benzothiadiazole
Sirdalud
Ternelin

CAS

51322-75-9

Formula

C9H8ClN5S

Molecular Weight

253.71

RTECS

DL0080000

Merck

12,9624

Beilstein/Gmelin

618691

Physical and Chemical Properties

Solubility in water

Insoluble

Melting Point

221 - 223

Boiling Point

391

Vapor Pressure

2.5E-6 (25 C)

Density

1.82 g/cm3 (20 C)

pKa/pKb

7.47 (pKb)

Partition Coefficient

.65

Heat Of Vaporization

64.1 kJ/mol

Usage

Skeletal muscle relaxant.

Handling and Storage

Storage

This product should be stored at room temperature. It should be kept in a tightly closed container.

Hazards Identification

Inhalation

Remove from exposure. If breathing is difficult, administer oxygen. If breathing stops, administer artificial respiration. Seek medical attention immediately.

Skin

Wash with soap and water for 15 minutes. Remove contaminated clothing and shoes. Seek medical attention immediately.

Eyes

Check for and remove contact lenses. Flush eyes with running water for at least 15 minutes separating eyelids. Seek medical attention immediately.

Ingestion

Remove dentures and clear mouth. If person is conscious, rinse mouth with water. Call physician or poison control immediately.

Exposure Controls/Personal Protection

Personal Protection

For spill clean up, wear suitable protective clothing, chemical resistant rubber gloves, rubber boots, and chemical safety goggles. Self contained breathing apparatus or NIOSH/MSHA approved respirator is required.

Fire Fighting Measures

Fire Fighting

Extinguish using carbon Dioxide, dry chemical powder, polymer foam, water spray. Use self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks

Wipe up spill and place in sealed container and hold for disposal. Avoid raising dust. Ventilate the area and wash spill site after material has been removed.

Stability and Reactivity

Stability

This material is stable if stored as directed.