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GUANIDINE HYDROCHLORIDE
ICSC: 0894
Peer-Review Status: 10.04.2000 Validated
Aminoformamidine hydrochloride
Aminomethanamidine hydrochloride
Carbamidine hydrochloride
Iminourea hydrochloride 
CAS #: 50-01-1 RTECS #: MF4300000
EC #: 607-148-00-0
EINECS #: 200-002-3
    Formula: CH6ClN3 / CH5N3.ClH
Molecular mass: 95.5

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible.  NO open flames.  Use foam, powder. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST!   
Inhalation Cough.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness.  Protective gloves. Protective clothing.  Rinse skin with plenty of water or shower. 
Eyes Redness. Pain.  Wear safety goggles or eye protection in combination with breathing protection.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Diarrhoea.  Do not eat, drink, or smoke during work.  Rinse mouth. Give one or two glasses of water to drink. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water. Personal protection: P2 filter respirator for harmful particles.   
EC Classification
Symbol: Xn; R: 22-36/38; S: (2)-22 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
  Well closed. Dry. 

IMPORTANT DATA
Physical State; Appearance
HYGROSCOPIC CRYSTALLINE POWDER. 

Physical dangers
 

Chemical dangers
On combustion, forms toxic and corrosive fumes including hydrogen chloride and nitrogen oxides. The solution in water is a weak acid. 

Occupational exposure limits
TLV (NOT-ESTABLISHED):. 

Routes of exposure
The substance can be absorbed into the body by ingestion. 

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed. 

Effects of short-term exposure
The substance is irritating to the eyes and skin. 

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: 178-185°C
Density: 1.3 g/cm³
Solubility in water, g/100ml at 20°C: 215
Octanol/water partition coefficient as log Pow: -1.7  
 

NOTES
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations