Guanabenz

  • N-(2,6-Dichlorobenzylidene)-N’-amidinohydrazine
  • N-(2,6-Dichlorobenzylidene)amino]guanidine
Formula
C8H8Cl2N4
Structure
Description
White solid from acetronitrile.
Uses
Medication.

Registry Numbers and Inventories.
CAS
5051-62-7
EC (EINECS/ELINCS)
225-750-8
Merck
12,4585
Beilstein/Gmelin
2053227

Properties.
Formula
C8H8Cl2N4
Formula mass
231.08
Melting point, °C
237 - 238
pKa/pKb
8.1 (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
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.
Stability
Guanabenz acetate tablets should be stored in tight, light resistant containers at room temperature (25 C).
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.

Health.
Exposure effects
Abnormally low blood pressure and low heart rate are common. Initially, elevated blood pressure may be present. Reduced body temperature and respiratory depression may also occur. Lethargy, somnolence, irritability, and light coma have been described following overdose.
   Ingestion
Respiratory depression and apnea may following acute overdose.
   Inhalation
Respiratory depression and apnea may following acute overdose.
   Eyes
Constriction of the pupil has been reported following acute overdose.

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
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   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.