beta-Naphthylamine
2-Aminonaphthalene
C10H9N
Molecular mass: 143.2
ICSC # 0610
CAS # 91-59-8
RTECS # QM2100000
UN # 1650
EC # 612-022-00-3
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Dry powder,
foam
,
water spray
.
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Explosion
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Exposure
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AVOID ALL CONTACT!
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IN ALL CASES CONSULT A DOCTOR!
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•Inhalation
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Blue lips or finger nails.
Blue skin.
Confusion.
Dizziness.
Convulsions.
Headache.
Nausea.
Unconsciousness.
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Closed system and ventilation.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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MAY BE ABSORBED!
(See Inhalation).
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
Refer for medical attention.
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•Eyes
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Face shield,
or eye protection in combination with breathing protection if powder.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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(See Inhalation).
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Sweep spilled substance into covered containers.
Carefully collect remainder,
then remove to safe place.
Do NOT let this chemical enter the environment.
Chemical protection suit including self-contained breathing apparatus.
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Separated from
food and feedstuffs
.
Well closed.
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Do not transport with food and feedstuffs.
Note: E
T symbol
N symbol
R: 45-22-51/53
S: 53-45-61
UN Hazard Class: 6.1
UN Packing Group: II
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Important Data
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Physical State; Appearance:
WHITE
TO REDDISH FLAKES
, WITH CHARACTERISTIC ODOUR.
TURNS RED ON Exposure TO AIR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic and corrosive fumes
.
Occupational Exposure Limits:
TLV: A1 (ACGIH 2003).
MAK:
Carcinogen category: 1;
H; (DFG 2002).
OSHA PEL: 1910.1009 See Appendix B
NIOSH REL: Ca See Appendix A
NIOSH IDLH: Ca N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation and through the skin
and
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.
Effects of Short-Term Exposure:
The substance may cause effects on the
blood
, resulting in
the formation of methaemoglobin.
The substance may cause effects on the
bladder
, resulting in
inflammation and blood in urine.
Medical observation is indicated.
The effects may be delayed.
See Notes.
Effects of Long-Term or Repeated Exposure:
This substance is carcinogenic to humans.
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Physical
Properties
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Boiling point: 306°C
Melting point: 110.2-113°C
Density: 1.061
g/cm3
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Solubility in water: poor
Relative vapour density (air = 1): 4.95
Flash point: 157°C
Octanol/water partition coefficient as log Pow: 2.28
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Environmental
Data
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Do NOT take working clothes home.
Transport Emergency Card: TEC (R)-61S1650
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ADDITIONAL INFORMATION
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ICSC: 0610
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2-NAPHTHYLAMINE
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(C) IPCS, CEC, 1994
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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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