Difenzoquat methyl sulfate

  • 1,2-Dimethyl-3,5-diphenylpyrazolium methyl sulfate
  • 1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate
Formula
C17H17N2.CH3O4S
Structure
Description
colorless solid
Uses
Pesticide.

Registry Numbers and Inventories.
CAS
43222-48-6
EC (EINECS/ELINCS)
256-152-5
EC Index Number
613-056-00-1
22 50/53
RTECS
UQ9820000
RTECS class
Agricultural Chemical and Pesticide
UN (DOT)
2588
Beilstein/Gmelin
4093655
Beilstein Reference
6-23
EPA OPP
363200
Swiss Giftliste 1
G-10322
Austrailia AICS
Listed

Properties.
Formula
C18H20N2O4S
Formula mass
348.45
Melting point, °C
146 - 148

Hazards and Protection.
Storage
Keep tightly closed.
Protection
Wear self-contained breathing apparatus, rubber boots, and heavy rubber gloves.
Respirators
Government approved respirator.
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
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides, Sulfur oxides.

Fire.
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.
Fire potential
Non-Combustible
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
2
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
3
Exposure effects
Dangerous for the environment. Harmful in contact with skin and if swallowed. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
   Ingestion
Harmful if swallowed.
   Inhalation
Material may be irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
   Skin
May cause skin irritation. Harmful if absorbed through skin.
   Eyes
May cause eye irritation.

First aid
 
   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.
   Skin
In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.
UN number
2588
Response guide
Hazard class
6.1