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NAPHTHENIC ACIDS

ICSC: 1654

Carboxylic-acids, -naphthenic-
Acidic petroleum fraction
CnH2n1COOH
Molecular mass: 180 - 350
ICSC # 1654 		CAS # 1338-24-5
RTECS # QK8750000
April 18, 2007 Validated
Ap, 07: fast track update of boiling pt, physical state, mp, spillage disposal and GHS based references (comments from industry)

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible.
NO open flames.
Special powder. Carbon dioxide. Foam. Water may be ineffective.
EXPLOSION

In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE


•INHALATION Cough. Dizziness.
Local exhaust.
Fresh air, rest.
•SKIN Redness. Pain.
Protective gloves.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
•EYES Redness. Pain.
Safety goggles
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Nausea. Vomiting. Diarrhoea. Drowsiness.
Do not eat, drink, or smoke during work.
Rinse mouth. Give one or two glasses of water to drink. Do NOT induce vomiting.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Collect leaking liquid in covered containers. Do NOT let this chemical enter the environment.
Separated from strong oxidants and metals. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.

Signal: Danger
Excl mark-Health haz-Enviro
Harmful if swallowed
Causes damage to nervous system through prolonged or repeated exposure if swallowed
Toxic to aquatic life
ICSC: 1654 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.

NAPHTHENIC ACIDS

ICSC: 1654

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
LIGHT YELLOW TO BLACK VISCOUS LIQUID

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance decomposes on heating, producing irritating fumes. Attacks metal.

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 in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is irritating to the eyes and the skin. The substance may cause effects on the central nervous system.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact with skin may cause dermatitis. The substance may have effects on the liver and central nervous system.

PHYSICAL
PROPERTIES

Boiling point: 140-370°C
Melting point: -35 to 2°C
Relative density (water = 1): 0.982 (liquid)
Solubility in water:
poor
Flashpoint: 149°C o.c.
Explosive limits, vol% in air: lower 1%
Octanol/water partition coefficient as log Pow: 5 - > 6 (calculated)

ENVIRONMENTAL
DATA

The substance is toxic to aquatic organisms. It is strongly advised that this substance does not enter the environment.

N O T E S

Composition may change physical and toxicological properties.
NFPA Code: H2; F1; R0
Card has been partially updated in March 2008: see Environmental Data,

ADDITIONAL INFORMATION



ICSC: 1654 NAPHTHENIC ACIDS
(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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