IPCS INCHEM Home
HYDROXY-2-NAPHTHOIC ACIDICSC: 1759
3-Hydroxy-2-naphthalenecarboxylic acid
3-Hydroxy-2-naphthoic acid
beta-Hydroxynaphthoic acid
May 2010
CAS #: 92-70-6
EC Number: 202-180-8

  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, dry powder.   

 PREVENT DISPERSION OF DUST!  
  SYMPTOMS PREVENTION FIRST AID
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 CLASSIFICATION & 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. 

According to UN GHS Criteria

excl mark;warn
DANGER
Harmful if swallowed
Causes serious eye damage
Harmful to aquatic life 

Transportation
UN Classification
 

STORAGE
Separated from strong oxidants. Store in an area without drain or sewer access. 
PACKAGING
 
HYDROXY-2-NAPHTHOIC ACID ICSC: 1759
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
YELLOW CRYSTALS. 

Physical dangers
No data. 

Chemical dangers
Decomposes on heating. This produces irritating fumes. Reacts with strong oxidants. 

Formula: C11H8O3/HOC10H6COOH
Molecular mass: 188.2
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  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body through the skin and by ingestion. 

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

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 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. 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
The substance is harmful to aquatic organisms. 

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

ADDITIONAL INFORMATION
  EC Classification
 

All rights reserved. The published material is being distributed without warranty of any kind, either expressed or implied. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material.
    See Also:
       Toxicological Abbreviations