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1,5-NAPHTHALENEDIOL ICSC: 1604
Date of Peer Review: October 2005

1,5-Dihydroxynaphthalene
Naphthalene-1,5-diol
CAS # 83-56-7 C10H8O2 / C10H6(OH)2
RTECS # QJ4740000 Molecular mass: 160.2
UN #
EC Index #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible.
NO open flames.
Water spray, powder.
EXPLOSION


EXPOSURE


Inhalation
Local exhaust or breathing protection.
Fresh air, rest.
Skin
Protective gloves.
Rinse and then wash skin with water and soap.
Eyes Redness.
Safety goggles.
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.
Rinse mouth.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P1 filter respirator for inert particles. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE

Separated from strong oxidants.
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-NAPHTHALENEDIOL ICSC: 1604
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
ORANGE POWDER

CHEMICAL DANGERS:
On combustion, forms toxic fumes. Reacts with strong oxidants.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. MAK not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by ingestion.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is mildly irritating to the eyes.

PHYSICAL PROPERTIES
Melting point (decomposes): 250C
Solubility in water, g/100 ml at 20C: 0.06
Flash point: 252C c.c.
Octanol/water partition coefficient as log Pow: 1.82
ENVIRONMENTAL DATA

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