Azocyclotin

  • Tricyclotin
  • Tri(cyclohexyl)-1H-1,2,4-triazol-1-yltin
  • 1-(Tricyclohexylstannyl)-1H-1,2,4-triazole
Formula
C20H35N3Sn
Structure
Description
Colorless crystals.
Uses
Formerly used as an acaricide. Organotin compound

Registry Numbers and Inventories.
CAS
41083-11-8
EC (EINECS/ELINCS)
255-209-1
25 26 37/38 41 50/53
26 28 36/37/39 38 45 60 61
RTECS
WH8637700
RTECS class
Agricultural Chemical and Pesticide; Organometallic
UN (DOT)
3146
Beilstein/Gmelin
621636
Beilstein Reference
5-26
EPA OPP
484600
Swiss Giftliste 1
G-10515
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
C20H35N3Sn
Formula mass
436.27
Melting point, °C
209 - 211
Boiling point, °C
487
Vapor pressure, mmHg
1.2E-9 (25 C)
Solubility in water
0.12 mg/L (20 C)
pKa/pKb
9.0 (pKb)

Hazards and Protection.
Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
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.
Decomposition
When heated to decomposition it emits toxic fumes of NOx.

Fire.
Flash Point,°C
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.
Hazards
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Poison_Class
3
Exposure effects
Central nervous system toxicity: Headache, nausea, vomiting dizziness, sometimes convulsions and loss of consciousness. Photophobia and mental disturbances. Epigastric pain.
   Ingestion
See Inhalation.
   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.

First aid
 
   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.

Transport.
UN number
3146
Response guide
Hazard class
6.1