Product Identification

Product Name

Isopropylxanthic acid sodium salt

Synonyms

Sodium isopropyl xanthate
Sodium propan-2-yloxymethanedithioate

CAS

140-93-2

Formula

C4H7NaOS2

Molecular Weight

158.22

EINECS

205-443-5

RTECS

FG1581500

RTECS Class

Other

Merck

12,8780

Beilstein/Gmelin

3570298

Beilstein Reference

4-03-00-00404

EC Index Number

006-024-00-8

EC Class

Harmful; Irritant; Dangerous for the Environment

Physical and Chemical Properties

Appearance

White to yellowish powder or lumps

Solubility in water

450 g/L

Melting Point

124

Density

1.263 g/cm3 (20 C)

Usage

Chemical weed killer of seeded crops, fortifying agent for certain oils, flotation reagent for base & precious metal ores.

First Aid Measures

Ingestion

Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.

Inhalation

If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.

Skin

Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.

Eyes

If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Handling and Storage

Storage

Storage should be in a restricted area. Store in a cool, dry, well-ventilated area away from any ignition sources. Containers may be earthed to reduce the possibility of sparks from static electricity.

Handling

During handling of sodium isopropyl xanthate avoid generation of dust.

Hazards Identification

Ingestion

Nausea, vomiting and diarrhea are possible if ingested.

Inhalation

Cough, tachypnea, and wheezing are common after inhalation.

Skin

Redness, swelling and pain may occur.

Eyes

Mild irritation.

UN (DOT)

3342

Exposure Controls/Personal Protection

Personal Protection

Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.

Respirators

A combination respirator fitted with a particulate filter and a gas filter which can absorb carbon disulphide, such as type A or AX should be worn during the mixing process. The respiratory protective equipment should be in accordance with AS 1716.

Poison Class

3

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Upper exp. limit

50

Lower exp. limit

1.3

Accidental Release Measures

Small spills/leaks

Care should be taken not to puncture containers when moving with forklift. In the event of a spill DO NOT wash material into drain or sewer. Personal protective equipment hould be worn. Vacuuming of solid spills is recommended. Collect in properly labelled containers for disposal.

Stability and Reactivity

Stability

No data.

Incompatibilities

Strong oxidizing agents.

Decomposition

Oxides of carbon and sulfur.

Transport Information

UN Number

3342

Hazard Class

4.2

Packing Group

II; III