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HYDROXY-2-NAPHTHOIC ACID
ICSC: 1759
Peer-Review Status: 05.05.2010 Validated
3-Hydroxy-2-naphthalenecarboxylic acid
3-Hydroxy-2-naphthoic acid
beta-Hydroxynaphthoic acid 
CAS #: 92-70-6 RTECS #: QL1755000
EINECS #: 202-180-8
    Formula: C11H8O3/HOC10H6COOH
Molecular mass: 188.2

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.  Use water spray, foam, dry powder. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST!   
Inhalation Sore throat. Cough.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness. Pain.  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness. Pain. Burns.  Wear safety goggles.  Rinse with plenty of water (remove contact lenses if easily possible). Refer immediately for medical attention. 
Ingestion Sore throat. Nausea. Vomiting. Diarrhoea.  Do not eat, drink, or smoke during work.  Rinse mouth. Give one or two glasses of water to drink. Seek medical attention if you feel unwell. 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: . Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. Do NOT let this chemical enter the environment.   
EC Classification
 
UN Classification
 
GHS Classification
Signal: Danger
Harmful if swallowed
Causes serious eye damage
Harmful to aquatic life 
excl mark;warn

EMERGENCY RESPONSE SAFE STORAGE
  Separated from strong oxidants. Store in an area without drain or sewer access. 

IMPORTANT DATA
Physical State; Appearance
YELLOW CRYSTALS. 

Physical dangers
No data. 

Chemical dangers
Decomposes on heating. This produces irritating 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 through the skin and by ingestion. 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached. 

Effects of short-term exposure
The substance is severely irritating to the eyes. The substance is irritating to the skin. 

Effects of long-term or repeated exposure
Repeated or prolonged contact with skin may cause dermatitis. The substance may have effects on the kidneys, liver and endocrine system. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: 220°C
Solubility in water, g/100ml: 0.047 (very poor)
Vapour pressure, Pa at 25°C: (negligible)
Flash point: >150°C c.c.
Auto-ignition temperature: >400°C
Octanol/water partition coefficient as log Pow: 3.4-3.59  
The substance is harmful to aquatic organisms. 

NOTES
Health effects of exposure to the substance have not been investigated adequately. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations