2-Chlorophenylthiourea

  • (o-Chlorophenyl)thiourea
  • 1-(2-Chlorophenyl)thiourea
  • N-(2-Chlorophenyl)thiourea
Formula
C7H7ClN2S
Structure
Description
Needles or plates.
Uses
2-Chlorophenylthiourea is not manufactured or used as end-product industrially in the usa.

Registry Numbers and Inventories.
CAS
5344-82-1
EC (EINECS/ELINCS)
226-291-6
S 22 28 36/37 45
RTECS
YS7100000
RTECS class
Agricultural Chemical and Pesticide
UN (DOT)
2811
Beilstein/Gmelin
776946
Beilstein Reference
3-12-00-01296
RCRA
P026
Swiss Giftliste 1
G-9154
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C7H7ClN2S
Formula mass
186.67
Melting point, °C
147
Boiling point, °C
304
Solubility in water
Slightly Soluble
Partition coefficient, pKow
2.03

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
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
Do not touch spilled material; stop leak if you can do it without risk. Small spills: take up with sand or other noncombustible absorbent material and place into containers for later disposal. Small dry spills: with clean shovel place material into clean, dry container and cover; move containers from spill area. Large spills: dike far ahead of spill for later disposal.
Stability
No data.
Incompatibilities
Strong oxidizing agents.

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.
Hazards
When heated to decomposition it emits very toxic fumes of chlorides, nitrogen oxides, and sulfur oxides.

Health.
Poison_Class
2
Exposure effects
   Ingestion
See inhalation.
   Inhalation
High oral toxicity.
   Skin
See inhalation.
   Eyes
See inhalation

First aid
 
   Ingestion
Do not induce emesis. Activated charcoal: administer charcoal as a slurry (240 ml water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents.
   Inhalation
Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with beta2 agonist and corticosteroid aerosols.
   Skin
Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
   Eyes
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Transport.
UN number
2811
Response guide
USCG CHRIS Code
CTR