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MSDS 
:
 1-Naphthol >98%
CAS 
:
 90-15-3
SYNONYMS 
:
 1-Naphthalenol; alpha-Naphthol; 1-Hydroxynaphthalene;     alpha-Hydroxynaphthalene.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 90-15-3 |1-Naphthol | >98 | 201-969-4 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XN
Risk Phrases: 21/22 37/38 41

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Harmful in contact with skin and if swallowed. Irritating to
respiratory system and skin. Risk of serious damage to eyes.

Potential Health Effects
Eye:
May cause eye injury.
Skin:
Causes skin irritation. Harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. Causes gastrointestinal irritation with
nausea, vomiting and diarrhea. May cause burns to the digestive
tract.
Inhalation:
Harmful if inhaled. May cause severe irritation of the upper
respiratory tract with pain, burns, and inflammation.
Chronic:
May cause liver and kidney damage. May cause anemia and other blood
cell abnormalities. Chronic inhalation, skin absorption or ingestion
of naphthalene have caused severe hemolytic anemia.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid immediately.
Skin:
In case of contact, immediately flush skin with plenty of water for
at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
If swallowed, do NOT induce vomiting. Get medical aid immediately.
If victim is fully conscious, give a cupful of water. Never give
anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion. This
material in sufficient quantity and reduced particle size is capable
of creating a dust explosion.
Extinguishing Media:
Use dry chemical, carbon dioxide, or appropriate foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal
container. Avoid generating dusty conditions. Provide ventilation.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Minimize dust
generation and accumulation. Do not get in eyes, on skin, or on
clothing. Keep container tightly closed. Do not breathe dust.
Storage:
Keep container closed when not in use. Store in a tightly closed
container. Store in a cool, dry, well-ventilated area away from
incompatible substances. Storage under a nitrogen blanket has been
recommended. Store protected from light.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate
ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 90-15-3:

Russia: 0.5 mg/m3 TWA

Personal Protective Equipment

Eyes:
Wear appropriate protective eyeglasses or chemical
safety goggles as described by OSHA's eye and face
protection regulations in 29 CFR 1910.133 or European
Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Flakes
Color: gray or beige to brown
Odor: slight phenolic odor
pH: Not available.
Vapor Pressure: 1 mm Hg @ 94 deg C
Viscosity: Not available.
Boiling Point: 278-280 deg C @ 760 mm Hg
Freezing/Melting Point: 94 - 98 deg C
Autoignition Temperature: 541 deg C ( 1,005.80 deg F)
Flash Point: 125 deg C ( 257.00 deg F)
Explosion Limits, lower: .80 vol %
Explosion Limits, upper: 5.00 vol %
Decomposition Temperature:
Solubility in water: practically insoluble in water
Specific Gravity/Density:
Molecular Formula: C10H8O
Molecular Weight: 144.17

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures. Darkens on exposure
to light.
Conditions to Avoid:
Light, dust generation, exposure to air.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong bases, acid chlorides, acid
anhydrides, halogens.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, acrid smoke and fumes.
Hazardous Polymerization: Will not occur.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 90-15-3: QL2800000
LD50/LC50:
CAS# 90-15-3: Draize test, rabbit, eye: 1 mg Severe; Draize test,
rabbit, skin: 500 mg/24H Severe; Inhalation, rat: LC50 = >420
mg/m3/1H; Oral, mouse: LD50 = 275 mg/kg; Oral, mouse: LD50 = 275
mg/kg; Oral, rabbit: LD50 = 9 gm/kg; Oral, rabbit: LD50 = 9000 mg/kg;
Oral, rat: LD50 = 1870 mg/kg; Oral, rat: LD50 = 2000 mg/kg; Skin,
rabbit: LD50 = 880 mg/kg; Skin, rabbit: LD50 = 880 mg/kg.
Carcinogenicity:
1-Naphthol -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****



**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.*
Hazard Class: 6.1
UN Number: 2811
Packing Group: III
IMO
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing Group: III
RID/ADR
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing group: III

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 21/22 Harmful in contact with skin and if
swallowed.
R 37/38 Irritating to respiratory system and skin.
R 41 Risk of serious damage to eyes.
Safety Phrases:
S 22 Do not breathe dust.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 90-15-3: 1
Canada
CAS# 90-15-3 is listed on Canada's DSL List.
CAS# 90-15-3 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 90-15-3 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

MSDS Creation Date: 8/19/1998 Revision #6 Date: 6/13/2003

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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