INTOX Home Page
1,5-NAPHTHALENEDIAMINE ICSC: 0668
Date of Peer Review: March 1999

1,5-Diaminonaphthalene
1,5-Naphthylenediamine
CAS # 2243-62-1 C10H10N2 / C10H6(NH2)2
RTECS # QJ3400000 Molecular mass: 158.2
UN #
EC Index # 612-089-00-9
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.
Water spray, foam, powder, carbon dioxide.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST! STRICT HYGIENE!

Inhalation
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
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work.
Rest. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P2 filter respirator for harmful particles. Do NOT let this chemical enter the environment. Sweep spilled substance into sealable containers. Carefully collect remainder, then remove to safe place.
EU Classification
Symbol: Xn, N
R: 40-50/53
S: (2-)-36/37-60-61
UN Classification

EMERGENCY RESPONSE STORAGE

Well closed.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
1,5-NAPHTHALENEDIAMINE ICSC: 0668
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS TO LIGHT PURPLE CRYSTALS.

CHEMICAL DANGERS:
The substance decomposes on burning producing toxic fumes.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK: skin absorption (H); sensitization of skin (Sh); Carcinogen category: 2; (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 in which a harmful concentration in the air is reached on evaporation of this substance at 20C.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact may cause skin sensitization.
PHYSICAL PROPERTIES
Boiling point: Sublimation
Melting point: 187C
Density: 1.4 g/cm
Solubility in water, g/100 ml at 20C: 0.004
Vapour pressure, Pa at 20C: 0.0000023
Flash point: 226C
Auto-ignition temperature: 580C
Octanol/water partition coefficient as log Pow: 1.48
ENVIRONMENTAL DATA
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


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2005