1,5-NAPHTHALENEDIAMINE (ICSC)

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 Š 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 20°C.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact may cause skin sensitization.

PHYSICAL PROPERTIES

Boiling point: Sublimation
Melting point: 187°C
Density: 1.4 g/cmł
Solubility in water, g/100 ml 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

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

Š IPCS, CEC 2005

    See Also:
       Toxicological Abbreviations
       Naphthalenediamine, 1,5-(IARC Summary & Evaluation, Volume 27, 1982)