Thiophanate

  • Thiophanate ethyl
  • Cercobin
  • Topsin
  • Pelt
  • 1,2-Bis[3-(ethoxycarbonyl)thioureido]benzene
  • Carbamic acid, [1,2-phenylenebis(iminocarbonothioyl)]bis-, diethyl ester
Formula
C14H18N4O4S2
Structure
Description
Tan solid with a characteristic odor.
Uses
Systemic fungicide.

Registry Numbers and Inventories.
CAS
23564-06-9
EC (EINECS/ELINCS)
245-741-2
RTECS
BA3650000
RTECS class
Agricultural Chemical and Pesticide; Mutagen; Reproductive Effector
Merck
12,9489
Beilstein/Gmelin
939969
EPA OPP
103401
Swiss Giftliste 1
G-5774
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
C14H18N4O4S2
Formula mass
370.45
Melting point, °C
195
Solubility in water
Insoluble
pKa/pKb
7.04 (pKa)

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
Not normally required.
Small spills/leaks
Sweep up.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
None noted.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Health.
Poison_Class
5
Exposure effects
   Ingestion
Toxic
   Skin
Irritation.
   Eyes
Irritation.

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
   Skin
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
   Eyes
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Transport.