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MSDS 
:
 Chromium (III) oxide
CAS 
:
 1308-38-9
SYNONYMS 
:
 Chromic Sesquioxide; chrome green; chrome oxide; chromium     sesquioxide; chromium (3+) trioxide; dichromium trioxide
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 1308-38-9 |Chromium (III) oxide | 99-100.0 | 215-160-9 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

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

EMERGENCY OVERVIEW
Hygroscopic (absorbs moisture from the air).

Potential Health Effects
Eye:
Dust may cause mechanical irritation.
Skin:
May cause skin irritation. May cause an allergic reaction in certain
individuals.
Ingestion:
Ingestion of large amounts may cause gastrointestinal irritation.
Inhalation:
May cause respiratory tract irritation.
Chronic:
Prolonged or repeated skin contact may cause sensitization
dermatitis and possible destruction and/or ulceration. Repeated
inhalation may cause chronic bronchitis.

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

Eyes:
Flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Flush skin with plenty of water for at least 15 minutes while
removing contaminated clothing and shoes. Get medical aid if
irritation develops or persists. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical
aid. 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 not breathing, give artificial respiration. If
breathing is difficult, give oxygen.
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.
Extinguishing Media:
Substance is noncombustible; use agent most appropriate to
extinguish surrounding fire.

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

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective
Equipment section. Sweep up or absorb material, then place into a
suitable clean, dry, closed container for disposal. Avoid generating
dusty conditions. Provide ventilation.

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

Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Avoid contact with eyes, skin, and clothing. Keep container tightly
closed. Avoid ingestion and inhalation. Wash clothing before reuse.
Storage:
Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances. Store
protected from moisture.

**** 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# 1308-38-9:

Russia: 1 mg/m3 TWA (as Cr(III))

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: Powder
Color: light to dark green
Odor: odorless
pH: 7.5@ 0.5% soln.
Vapor Pressure: Not applicable.
Viscosity: Not applicable.
Boiling Point: 4000 deg C
Freezing/Melting Point: 2435 deg C
Autoignition Temperature: Noncombustible.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: insoluble in water.
Specific Gravity/Density: 5.21 (water=1)
Molecular Formula: Cr2O3
Molecular Weight: 151.9902

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

Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions. Hygroscopic: absorbs moisture or water from
the air.
Conditions to Avoid:
Dust generation, exposure to moist air or water.
Incompatibilities with Other Materials:
Chlorine trifluoride, alkaline earth metals, oxygen difluoride,
rubidium, glycerol, lithium, rubidium acetylide.
Hazardous Decomposition Products:
Not known.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 1308-38-9: GB6475000
LD50/LC50:
Not available.
Carcinogenicity:
Chromium (III) oxide -
Not listed by ACGIH, IARC, or NTP.
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: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 28 After contact with skin, wash immediately
with...
WGK (Water Danger/Protection)
CAS# 1308-38-9: 1
Canada
CAS# 1308-38-9 is listed on Canada's DSL List.
CAS# 1308-38-9 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 1308-38-9 is listed on the TSCA inventory.

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

MSDS Creation Date: 5/18/1999 Revision #6 Date: 10/29/2003

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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NAMECAS
Chromium (III) oxide 1308-38-9
Cyclotriphosphazene-PMMH-96 Dendrimer, Generation 5.0 313691-82-6
Cyclotriphosphazene-PMMH-192 Dendrimer, Generation 5.5 313691-82-6
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1-(2,4-Difluorophenyl)piperazine, 98% 115761-79-0
1-[5-(Trifluoromethyl)-2-pyridinyl]piperazine 132834-58-3
1-(2-Ethoxyethyl)piperazine, 98% 13484-38-3
N-(alpha,alpha,alpha-Trifluoro-p-tolyl)piperazine, 98% 30459-17-7
1-(2-Methoxyethyl)piperazine, 98% 13484-40-7
1-(2-Pyrazinyl)piperazine, 98% 34803-68-4
1-[2-(Morpholin-4-yl)ethyl]piperazine 4892-89-1
1-(Tetrahydro-2-furoyl)piperazine, 98% 63074-07-7
2-Fluoro-5-methylaniline 452-84-6
(S)-2-(Aminomethyl)-1-ethylpyrrolidine, 99% 22795-99-9
Hexamethylditin 661-69-8
(Bromomethyl)cyclobutane, 99% 17247-58-4
8-Bromooctanoic acid 17696-11-6
Zinc Stearate 557-05-1
Methyl pentadecafluorooctanoate, 95% 376-27-2
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Phenoxathiin 262-20-4
4-Methylsalicylic acid 50-85-1
Di-tert-butyl azodicarboxylate, 98% 870-50-8
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8-Bromoquinoline 16567-18-3
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4-Fluoro-3-nitroacetophenone 400-93-1
N,N'-Di-(1-naphthyl)urea 607-56-7
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Furfurylamine, 99+% 617-89-0
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2'-Hydroxy-6'-methoxyacetophenone 703-23-1
Methyl 5-(chloromethyl)-2-furancarboxylate 2144-37-8
6-Chloroimidazo[2,1-b]thiazole-5-sulfonyl chloride 150020-64-7
Adenine sulfate hydrate, 98% 00-01-1
(-)-Ethyl (S)-3-hydroxy-3-phenylpropionate 33401-74-0
p-Toluenesulfonic anhydride 4124-41-8
3-Iodobenzylamine, 98% 696-40-2
3-Hydroxypiperidine, 98% 6859-99-0
(S)-(+)-Tetrahydrofurfurylamine 7175-81-7
Tetrafluorophthalic anhydride 652-12-0
Silica Precipitated 7631-86-9
2,3-Dimethylindole, 99% 91-55-4
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3-(2-Carboxyethyl)-2,5-dimethylbenzoxazolium bromide, 99% 32353-63-2
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