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1,5-NAPHTHALENEDIAMINE
ICSC: 0668
Peer-Review Status: 24.03.1999 Validated
1,5-Diaminonaphthalene
1,5-Naphthylenediamine 
CAS #: 2243-62-1 RTECS #: QJ3400000
EC #: 612-089-00-9
EINECS #: 218-817-8
    Formula: C10H10N2 / C10H6(NH2)2
Molecular mass: 158.2

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.  NO open flames.  Use water spray, foam, powder, carbon dioxide. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST! STRICT HYGIENE!   
Inhalation   Use local exhaust.  Fresh air, rest. Refer for medical attention. 
Skin   Protective gloves. Protective clothing.  Rinse and then wash skin with water and soap. Refer for medical attention . 
Eyes   Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.  Rest. Refer for medical attention . 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered sealable containers. Carefully collect remainder. Then store and dispose of according to local regulations.   
EC Classification
Symbol: Xn, N; R: 40-50/53; S: (2)-36/37-60-61 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
  Well closed. 

IMPORTANT DATA
Physical State; Appearance
COLOURLESS-TO-LIGHT-PURPLE CRYSTALS. 

Physical dangers
 

Chemical dangers
Decomposes on burning. This produces toxic fumes. 

Occupational exposure limits
TLV (NOT-ESTABLISHED):.
MAK: Carcinogen category: 2; Skin absorption (H); Sensitization of skin (SH); (DFG 2005). 

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. 

Effects of short-term exposure
 

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: sublimes
Melting point: 187°C
Density: 1.4 g/cm³
Solubility in water, g/100ml at 20°C: 0.004
Vapour pressure, Pa at 20°C: 0.0000023
Flash point: 226°C
Auto-ignition temperature: 580°C
Octanol/water partition coefficient as log Pow: 1.48  
The substance is harmful to aquatic organisms. 

NOTES
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
Alphamin is a trade name.
Card has been partly updated in October 2005.
See section Occupational Exposure Limits. 

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