Product Identification

Product Name

1-(Tricyclohexylstannyl)-1H-1,2,4-triazole

Synonyms

1-(Tricyclohexylstannyl)-1H-1,2,4-triazole
Peropal
Tri(cyclohexyl)-1H-1,2,4-triazol-1-yltin
Tricyclohexyl-(1,2,4-triazol-1-yl)stannane
Tricyclotin

CAS

41083-11-8

Formula

C20H35N3Sn

Molecular Weight

436.27

EINECS

255-209-1

RTECS

WH8637700

RTECS Class

Agricultural Chemical and Pesticide; Organometallic

Beilstein/Gmelin

621636

Beilstein Reference

5-26

Physical and Chemical Properties

Appearance

Colorless crystals.

Solubility in water

0.12 mg/L (20 C)

Melting Point

209 - 211

Boiling Point

487

Vapor Pressure

1.2E-9 (25 C)

pKa/pKb

9.0 (pKb)

Usage

Formerly used as an acaricide. Organotin compound.

First Aid Measures

Ingestion

Seek medical assistance.

Inhalation

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.

Skin

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.

Eyes

Immediately flush with running water for at least 20 minutes.

Hazards Identification

Inhalation

TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.

Skin

Contact with molten substance may cause severe burns to skin and eyes. See Inhalation.

Eyes

See Inhalation.

Ingestion

See Inhalation.

Hazards

When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.

EC Risk Phrase

25 26 37/38 41 50/53

EC Safety Phrase

26 28 36/37/39 38 45 60 61

UN (DOT)

3146

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

Respirators

Wear positive pressure self-contained breathing apparatus (SCBA).

Exposure Effects

Central nervous system toxicity: Headache, nausea, vomiting dizziness, sometimes convulsions and loss of consciousness. Photophobia and mental disturbances. Epigastric pain.

Poison Class

3

Fire Fighting Measures

Flash Point

249

Fire Fighting

Small Fires: Dry chemical, CO2 or water spray. Large Fires: Dry chemical, CO2, alcohol-resistant foam or water spray.

Fire Potential

Combustible material: may burn but does not ignite readily.

Accidental Release Measures

Small spills/leaks

ELIMINATE all ignition sources. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.

Stability and Reactivity

Decomposition

When heated to decomposition it emits toxic fumes of NOx.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

3146

Hazard Class

6.1