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NIOSH

1,5-NAPHTHALENEDIOL

ICSC: 1604

1,5-Dihydroxynaphthalene
Naphthalene-1,5-diol
C10H8O2 / C10H6(OH)2
Molecular mass: 160.2
ICSC # 1604 		CAS # 83-56-7
RTECS # QJ4740000
October 20, 2005 Validated

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

STORAGE

PACKAGING & LABELLING

Personal protection: P1 filter respirator for inert particles. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
Separated from strong oxidants.

ICSC: 1604 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

1,5-NAPHTHALENEDIOL

ICSC: 1604

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
ORANGE POWDER

PHYSICAL DANGERS:


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.

INHALATION RISK:


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

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

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

ENVIRONMENTAL
DATA


N O T E S

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

ADDITIONAL INFORMATION



ICSC: 1604 1,5-NAPHTHALENEDIOL
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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