Pyridaben

  • 2-tert-Butyl-5-(4-tert-butyl-benzylthio)-4-chloropyridazin-3(2H)-one
  • NC-129
  • NCI-129
  • 3(2H)-Pyridazinone, 4-chloro-2-(1,1-dimethylethyl)-5-(((4-(1,1-dimethylethyl)phenyl)methyl) thio)
  • Sanmite
Formula
C19H25ClN2OS
Description
Tan powder with a faint vanilla odor.
Uses
Miticide, insecticide.

Registry Numbers and Inventories.
CAS
96489-71-3
EC (EINECS/ELINCS)
405-700-2
EC Index Number
613-149-00-7
23/25 50/53
36/37 45 60 61
RTECS
UR6149000
RTECS class
Agricultural Chemical and Pesticide; Reproductive Effector
UN (DOT)
2588
Merck
12,10353
Beilstein/Gmelin
7933972
Beilstein Reference
6-25
EPA OPP
129105
Korea ECL
Listed

Properties.
Formula
C19H25ClN2OS
Formula mass
364.94
Melting point, °C
112
Boiling point, °C
430
Vapor pressure, mmHg
1.4E-7 (25 C)
Solubility in water
Insoluble
Heat of vaporization
68.5 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry location away from heat or open flame.
Protection
Wear protective clothing to prevent skin contact, waterproof gloves and safety goggles.
Respirators
Use a dust/mist filtering respirator (MSHA/NIOSH approved numbers prefix TC-21-C) or NIOSH approved respirator with a N, P, R or HE prefilter.
Small spills/leaks
Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Stability
Stable under normal conditions. Relatively unstable to light.
Incompatibilities
Avoid contact with strong oxidizing agents.

Fire.
Flash Point,°C
214
Autoignition, °C
394
Fire fighting
Extinguish using dry chemical, water fog, foam or carbon dioxide. Wear a self-contained air supply. Contain run-off.
Fire potential
Explosive dust/air mixtures can form.
Combustion products
Hydrochloric acid, oxides of nitrogen, oxides of sulfur and carbon monoxide
Health
4
 
Flammability
3
 
 
Reactivity
1
 

Health.
Exposure effects
   Ingestion
Harmful if swallowed.
   Inhalation
May be fatal if inhaled.
   Skin
Harmful if absorbed through the skin.
   Eyes
Causes irritation.

First aid
 
   Ingestion
Seek medical assistance immediately. Have person sip a glace of water if able to swallow. Do not induce vomiting unless directed to do so by a physician.
   Inhalation
Move to fresh air. If not breathing, give artificial respiration. Seek immediate medical assistance.
   Skin
Remove contaminated clothing. Rinse skin immediately with water for 15 - 20 minutes. Seek medical assistance.
   Eyes
Hold eye open and rinse slowly and gently with water for 15-20 minutes.

Transport.
UN number
2588
Response guide
Hazard class
6.1
Packing Group
I