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MSDS 
:
 o-Anisidine, 99+%
CAS 
:
 90-04-0
SYNONYMS 
:
 2-Methoxyaniline; 2-Methoxybenzenamine; o-Aminoanisole;     ortho-Aminoanisole.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 90-04-0 |o-Anisidine | > 99 | 201-963-1 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T
Risk Phrases: 23/24/25 45

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

EMERGENCY OVERVIEW
Toxic by inhalation, in contact with skin and if swallowed. May
cause cancer.

Potential Health Effects
Eye:
Causes severe eye irritation.
Skin:
Causes skin irritation. May be absorbed through the skin in harmful
amounts. May cause skin sensitization, an allergic reaction, which
becomes evident upon re-exposure to this material.
Ingestion:
May cause irritation of the digestive tract. May cause kidney
damage. May cause methemoglobinemia, cyanosis (bluish discoloration
of skin due to deficient oxygenation of the blood), convulsions, and
death. Methemoglobinemia is characterized by dizziness, drowsiness,
headache, shortness of breath, cyanosis (bluish discoloration of skin
due to deficient oxygenation of the blood), rapid heart rate and
chocolate-brown colored blood.
Inhalation:
Causes respiratory tract irritation. May cause severe allergic
respiratory reaction.
Chronic:
May cause cancer according to animal studies.

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

Eyes:
Flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Immediately flush
eyes with plenty of water for at least 15 minutes, occasionally
lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Flush skin with plenty of water for at least 15 minutes while
removing contaminated clothing and shoes. Get medical aid if
symptoms occur.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Get medical aid immediately. Do NOT induce vomiting. If conscious and
alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If breathing is difficult, give oxygen.
Notes to Physician:

**** 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.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or
alcohol-resistant foam.

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

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Avoid contact with
eyes, skin, and clothing. Avoid breathing vapor or mist.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Store protected from light.

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

Engineering Controls:
Use adequate ventilation to keep airborne concentrations low. Use
adequate general or local exhaust ventilation to keep airborne
concentrations below the permissible exposure limits.
Exposure Limits
CAS# 90-04-0:
United States OSHA: 0.5 mg/m3 TWA (listed under Anisidine (o-, p
isomers)).
Belgium - TWA: (listed as anisidine (o-, p- isomers)): 0.1 ppm VL
0.5 mg/m3 VLE
France - VME: 0.1 ppm VME; 0.5 mg/m3 VME
Germany: 0.1 ppm TWA; 0.5 mg/m3 TWA
Germany: Skin absorber
Japan: 0.1 ppm OEL; 0.5 mg/m3 OEL
Malaysia: 0.1 ppm TWA; 0.5 mg/m3 TWA
Netherlands: (listed as anisidine (o-, p- isomers)): 0.1 ppm MAC;
mg/m3 MAC
Russia: 1 mg/m3 TWA
Spain: 0.1 ppm VLA-ED; 0.5 mg/m3 VLA-ED

Personal Protective Equipment

Eyes:
Wear chemical splash goggles.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize
contact with skin.
Respirators:
Wear a NIOSH/MSHA or European Standard EN 149
approved full-facepiece airline respirator in the
positive pressure mode with emergency escape
provisions. 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: Oil
Color: yellowish - reddish
Odor: amine-like
pH: Not available.
Vapor Pressure: 0.975 mm Hg @ 20 deg C
Viscosity: Not available.
Boiling Point: 225 deg C @ 760 mm Hg
Freezing/Melting Point: 3-6 deg C
Autoignition Temperature: 415 deg C ( 779.00 deg F)
Flash Point: 107 deg C ( 224.60 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: >300 deg C
Solubility in water: Practically insoluble.
Specific Gravity/Density: 1.0920
Molecular Formula: C7H9NO
Molecular Weight: 123.15

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

Chemical Stability:
Stable under normal temperatures and pressures. Darkens on exposure
to air.
Conditions to Avoid:
Light, excess heat, prolonged exposure to air.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 90-04-0: BZ5410000
LD50/LC50:
CAS# 90-04-0: Oral, mouse: LD50 = 1400 mg/kg; Oral, rabbit: LD50 =
870 mg/kg; Oral, rat: LD50 = 1150 mg/kg.
Oral wild bird LD50: 422 mg/kg.
Carcinogenicity:
o-Anisidine -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
California: carcinogen, initial date 7/1/87
IARC: Group 2B carcinogen
Other:
See actual entry in RTECS for complete information.

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

Other
No information available.

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

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

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

IATA
Shipping Name: ANISIDINES, LIQUID
Hazard Class: 6.1
UN Number: 2431
Packing Group: III
IMO
Shipping Name: ortho-ANISIDINE
Hazard Class: 6.1
UN Number: 2431
Packing Group: III
RID/ADR
Shipping Name: ANISIDINES
Hazard Class: 6.1
UN Number: 2431
Packing group: III
USA RQ: CAS# 90-04-0: 100 lb final RQ; 45.4 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 45 May cause cancer.
R 23/24/25 Toxic by inhalation, in contact with skin
and if swallowed.
Safety Phrases:
S 53 Avoid exposure - obtain special instructions
before use.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 90-04-0: 3
Canada
CAS# 90-04-0 is listed on Canada's DSL List.
CAS# 90-04-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 90-04-0 is listed on the TSCA inventory.

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

MSDS Creation Date: 7/31/1998 Revision #3 Date: 8/02/2002

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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