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MSDS 
:
 Antimony(III) Oxide, 99+%
CAS 
:
 1309-64-4
SYNONYMS 
:
 Antimonious Oxide; Antimony Peroxide.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 1309-64-4 |Antimony trioxide | >99.0 | 215-175-0 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XN
Risk Phrases: 40

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

EMERGENCY OVERVIEW
Limited evidence of a carcinogenic effect.Cancer suspect agent.

Potential Health Effects
Eye:
Contact produces irritation, tearing, and burning pain. May cause
conjunctivitis.
Skin:
Causes skin irritation. Repeated or prolonged skin contact may cause
antimony measles characterized by itchy papules and pustules around
the sweat and fat glands.
Ingestion:
Causes gastrointestinal irritation with nausea, vomiting and
diarrhea. May cause slow pulse, low blood pressure, bloody stool,
shallow breathing, coma, convulsions, and possible death.
Inhalation:
Causes respiratory tract irritation. Inhalation of fumes may cause
metal fume fever, which is characterized by flu-like symptoms with
metallic taste, fever, chills, cough, weakness, chest pain, muscle
pain and increased white blood cell count.
Chronic:
Possible cancer hazard based on tests with laboratory animals.
Prolonged inhalation may cause respiratory tract inflammation and
lung damage. Prolonged or repeated skin contact may cause dermatitis.
May cause chronic heart disease due to effects on the heart muscle.

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

Eyes:
Immediately flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes. Wash clothing
before reuse.
Ingestion:
Call a poison control center. If swallowed, do not induce vomiting
unless directed to do so by medical personnel. Never give anything by
mouth to an unconscious person. Get medical aid.
Inhalation:
Remove from exposure and move to fresh air immediately. If breathing
is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth
resuscitation. If breathing has ceased apply artificial respiration
using oxygen and a suitable mechanical device such as a bag and a
mask.
Notes to Physician:
Antidote:
The use of Dimercaprol or BAL (British Anti-Lewisite) as a chelating
agent should be determined by qualified medical personnel.

**** 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. Use water
spray to keep fire-exposed containers cool. May polymerize
explosively when involved in a fire. Containers may explode when
heated. Combustible material; even though it may take some effort to
ignite.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam. For large fires, use water spray, fog or
regular foam. Cool containers with flooding quantities of water until
well after fire is out.

**** 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. Clean up spills immediately, observing precautions in the
Protective Equipment section. Avoid generating dusty conditions.
Remove all sources of ignition. Provide ventilation.

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

Handling:
Use with adequate ventilation. Minimize dust generation and
accumulation. Avoid contact with eyes, skin, and clothing. Keep away
from heat, sparks and flame. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible
substances. Keep containers tightly closed.

**** 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 general or
local exhaust ventilation to keep airborne concentrations below the
permissible exposure limits.
Exposure Limits
CAS# 1309-64-4:
United Kingdom, WEL - TWA: (listed as antimony): 0.5 mg/m3 TWA
United Kingdom, WEL - STEL: (listed as antimony): 1.5 mg/m3 STEL
United States OSHA: 0.5 mg/m3 TWA (listed under Antimony).
Belgium - TWA: (listed as antimony): 0.5 mg/m3 VLE
France - VME: (listed as antimony): 0.5 mg/m3 VME
Germany: 0.3 mg/m3 TWA (inhalable fraction, production of diantim
trioxide, diantimony
Japan: (listed as antimony): 0.1 mg/m3 OEL
Malaysia: (listed as antimony): 0.5 mg/m3 TWA
Netherlands: (listed as antimony): 0.5 mg/m3 MAC
Russia: 1 mg/m3 TWA
Russia: (listed as antimony): 0.2 mg/m3 STEL
Spain: (listed as antimony): 0.5 mg/m3 VLA-ED

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: Solid
Color: white
Odor: odorless
pH: Amphoteric.
Vapor Pressure: 1 mm Hg @ 574 C
Viscosity: Not available.
Boiling Point: 1822 deg F
Freezing/Melting Point: 1213 deg F
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Slightly soluble in water.
Specific Gravity/Density: 5.2
Molecular Formula: Sb2O3
Molecular Weight: 291.4182

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

Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions.
Conditions to Avoid:
Incompatible materials, ignition sources, dust generation, excess
heat.
Incompatibilities with Other Materials:
Incompatible with bromine trifluoride, acid, oxidizers, halogenated
agents, and chlorinated rubber at high temperatures.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases, antimony/antimony oxides.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 1309-64-4: CC5650000 CC5720000
LD50/LC50:
CAS# 1309-64-4: Draize test, rabbit, eye: 100 mg Mild; Oral, rat:
LD50 = >34600 mg/kg.
Carcinogenicity:
Antimony trioxide -
ACGIH: A2 - Suspected Human Carcinogen (production)
California: carcinogen, initial date 10/1/90
IARC: Group 2B carcinogen
Other:
See actual entry in RTECS for complete information.

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

Ecotoxicity:
Fish: Fathead Minnow: 833mg/l; 96H; Not specifiedFish:
Bluegill/Sunfish: 530mg/l; 96H; Not specified.96 Hour LD50 bluegill
sunfish: >530 mg/L. 96 Hour LD50 fathead minnow: >833 mg/L.

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

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

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

IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.
USA RQ: CAS# 1309-64-4: 1000 lb final RQ; 454 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 40 Limited evidence of a carcinogenic effect.
Safety Phrases:
S 22 Do not breathe dust.
S 36 Wear suitable protective clothing.
WGK (Water Danger/Protection)
CAS# 1309-64-4: 2
Canada
CAS# 1309-64-4 is listed on Canada's DSL List.
CAS# 1309-64-4 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 1309-64-4 is listed on the TSCA inventory.

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

MSDS Creation Date: 6/21/1999 Revision #3 Date: 12/03/2002

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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