Pencycuron

  • Monceren
  • N-[(4-Chlorophenyl)methyl]-N-cyclopentyl-N’-phenylurea
  • 1-(4-Chlorobenzyl)-1-chloropentyl-3-phenylurea
Formula
C19H21ClN2O
Structure
Description
Red liquid with a slight characteristic odor.
Uses
Agricultural fungicide for the control of plant diseases.

Registry Numbers and Inventories.
CAS
66063-05-6
EC (EINECS/ELINCS)
266-096-3
RTECS
YS6440000
RTECS class
Agricultural Chemical and Pesticide
Beilstein/Gmelin
2154416
Beilstein Reference
5-12
EPA OPP
128823
Swiss Giftliste 1
G-87332
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
C19H21ClN2O
Formula mass
328.87
Melting point, °C
129 - 134
Boiling point, °C
529
Vapor pressure, mmHg
3.0E-11 (25 C)
Density
1.010 g/cm3 (20 C)
Solubility in water
Insoluble
Heat of vaporization
80.3 kJ/mol

Hazards and Protection.
Storage
Store in original container tightly closed in a cool, well ventilated area, out of direct sunlight. Do not store near any material intended for use or consumption by humans or animals.
Protection
When preparing and using the spray mixture wear elbow-length PVC gloves.
Small spills/leaks
Prevent spill from spreading or entering waterways or drains. Take up with absorbent material such as sawdust, peat or binding agent for chemicals. Fill material along with any contaminated soil etc. into sealable containers. Clean affected area with an aqueous detergent and a small amount of water. On completion of clean-up remove and wash all protective clothing and equipment with detergent and water. Any heavily contaminated clothing should be placed in a plastic garbage bag and placed in a sealable drum. Do not smoke, eat or drink during clean-up operation.
Incompatibilities
Avoid contact with strong oxidizing agents.

Fire.
Flash Point,°C
273
Fire fighting
Not flammable under normal conditions of use. Extinguish surrounding fire using sprayed water jet, foam, extinguishing powder, carbon dioxide, and sand. Firemen must wear full face masks with chemical/dust cartridge in well ventilated areas, and respirator with independent air supply in enclosed premises. Contain firefighting water.

Health.
Poison_Class
-
Exposure effects
   Ingestion
Harmful if swallowed.
   Inhalation
May be harmful if inhaled.
   Skin
Non-irritating. If clothing becomes contaminated with product or wet with spray, remove clothing immediately. If product or spray on skin, immediately wash the area with soap and water. After use and before eating, drinking or smoking, wash hands, arms and face thoroughly with soap and water. After each day's use wash contaminated clothing, gloves etc. with detergent and water.
   Eyes
Non-irritating.

First aid
 
   Ingestion
If swallowed induce vomiting, preferably using Ipecac Syrup APF.
   Inhalation
Remove patient to fresh air. Keep rested and warm.
   Skin
Remove contaminated clothing and wash skin thoroughly with soap and water.
   Eyes
Irrigate eyes immediately with water for 15 minutes.

Transport.