Product Identification

Product Name

3-(Aminosulfonyl)-5-(butylamino)-4-phenoxybenzoic acid

Synonyms

3-(Aminosulfonyl)-5-(butylamino)-4-phenoxybenzoic acid
3-(Butylamino)-4-phenoxy-5-sulfamoylbenzoic acid
3-n-Butylamino-4-phenoxy-5-sulfamoylbenzoic acid
Lunetoron

CAS

28395-03-1

Formula

C17H20N2O5S

Molecular Weight

364.42

EINECS

249-004-6

RTECS

DG4910000

RTECS Class

Drug

Merck

12,1508

Beilstein/Gmelin

2185351

Beilstein Reference

6-14

Physical and Chemical Properties

Solubility in water

Insoluble

Melting Point

230 - 231

Boiling Point

571

Vapor Pressure

7E-14 (25 C)

Density

1.38 g/cm3

pKa/pKb

3.18 (pKa)

Heat Of Vaporization

90.1 kJ/mol

Usage

Diauretic that causes a profound increase in urine output by preventing the kidneys from retaining fluid.

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Handling and Storage

Storage

Keep tightly closed. Store in a cool dry place.

Hazards Identification

Inhalation

Material may be irritating to mucous membranes and upper respiratory tract.

Skin

Causes skin irritation.

Eyes

May cause eye irritation.

Hazards

Emits toxic fumes under fire conditions.

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Exposure Effects

Avoid contact and inhalation. Target organ(s): Kidneys. Ears.

Fire Fighting Measures

Flash Point

299

Fire Fighting

Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Incompatibilities

Acids.

Stability

Stable at normal temperatures and pressures.

Decomposition

Carbon monoxide, Carbon dioxide, Nitrogen oxides, Sulfur oxides.