Supplier Product Identification Physical and Chemical Properties Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
Home > Leflunomide > Leflunomide(75706-12-6)

Leflunomide(75706-12-6)

Supplier Product Identification Physical and Chemical Properties Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
Leflunomide
Synonyms
4-Isoxazolecarboxamide, 5-methyl-N-(4-(trifluoromethyl)phenyl)-
5-Methylisoxazole-4-carboxylic acid (4-trifluoromethyl)anilide
5-Methyl-N-(4-(trifluoromethyl)phenyl)-4-isoxazolecarboxamide
Arava
HWA-486
CAS
75706-12-6
Formula
C12H9F3N2O2
Molecular Weight
270.20999999999998
RTECS
NY2354200
Merck
12,10407

Physical and Chemical Properties

Solubility in water
Insoluble
Boiling Point
289
Vapor Pressure
0.0022 (25 C)
Density
1.392 g/cm3 (20 C)
pKa/pKb
11.45 (pKa)
Partition Coefficient
1.95
Heat Of Vaporization
52.9 kJ/mol
Usage
Used in active moderate to severe rheumatoid arthritis and psoriatic arthritis.

Handling and Storage

Storage
Store in original container in a cool dark place.

Hazards Identification

Inhalation
Remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention.
Skin
Immediately wash skin with soap and copious amounts of water for at least 15 minutes. If irritation persists, seek medical attention.
Eyes
Immediately flush eyes with copious amounts of water for at least 15 minutes. Seek medical advice.
Ingestion
If swallowed, wash out mouth with water, provided person is conscious. Seek medical advice.

Exposure Controls/Personal Protection

Personal Protection
Wear self-contained breathing apparatus, rubber boots & heavy rubber gloves.

Fire Fighting Measures

Flash Point
129
Fire Fighting
Extinguish with carbon dioxide, dry chemical powder or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with the skin and eyes.

Accidental Release Measures

Small spills/leaks
Sweep-up/absorb in suitable material, place in a container and hold for disposal. Avoid raising dust. Ventilate area and wash spill site after pickup is complete.

Stability and Reactivity

Combustion Products
Emits toxic fumes under fire conditions.
Contact More