ICSC 0668 - 1,5-NAPHTHALENEDIAMINE

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1,5-NAPHTHALENEDIAMINE	ICSC: 0668 (March 1999)
1,5-Diaminonaphthalene 1,5-Naphthylenediamine

CAS #: 2243-62-1

EC Number: 218-817-8

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Use water spray, foam, powder, carbon dioxide.

PREVENT DISPERSION OF DUST! STRICT HYGIENE!
	SYMPTOMS	PREVENTION	FIRST AID
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	CLASSIFICATION & 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.	According to UN GHS Criteria Transportation UN Classification
STORAGE
Well closed.
PACKAGING

1,5-NAPHTHALENEDIAMINE

ICSC: 0668

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS-TO-LIGHT-PURPLE CRYSTALS. Physical dangers Chemical dangers Decomposes on burning. This produces toxic fumes.	Formula: C₁₀H₁₀N₂ / C₁₀H₆(NH₂)₂ Molecular mass: 158.2 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

PHYSICAL & CHEMICAL INFORMATION

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

Physical dangers

Chemical dangers
Decomposes on burning. This produces toxic fumes.

Formula: C₁₀H₁₀N₂ / C₁₀H₆(NH₂)₂
Molecular mass: 158.2
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

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. Effects of short-term exposure	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 long-term or repeated exposure Repeated or prolonged contact may cause skin sensitization.

EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure

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

OCCUPATIONAL EXPOSURE LIMITS
MAK: skin absorption (H); sensitization of skin (SH); carcinogen category: 2

ENVIRONMENT
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.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xn, N; R: 40-50/53; S: (2)-36/37-60-61

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