From: "Saved by Windows Internet Explorer 8" Subject: MSDS :: Chromium Trioxide (Chromic Acid) Date: Sun, 27 Feb 2011 03:29:27 -0800 MIME-Version: 1.0 Content-Type: multipart/related; type="text/html"; boundary="----=_NextPart_000_0000_01CBD62E.89C9E220" X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18263 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01CBD62E.89C9E220 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: http://www.sciencestuff.com/msds/C1513.html MSDS :: Chromium Trioxide (Chromic Acid)
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The information contained herein is believed to be = accurate=20 and is offered in good faith for the user's consideration and = investigation. No=20 warranty is expressed or implied regarding the completeness or accuracy = of this=20 information, whether originating from Science Stuff, Inc. or from an = alternate=20 source. Users of this material should satisfy themselves by independent=20 investigation of current scientific and medical information that this = material=20 may be safely handled.=20

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Section 1 = Identification
Product Number: C1513 
Health:
Flammability
Reactivity
Hazard Rating:
Least Slight Moderate High Extreme
0 1 2 3 4
NA = =3D Not=20 Applicable NE =3D Not Established =
Product Name: Chromium Trioxide (Chromic Acid) Laboratory=20 Grade
Trade/Chemical Synonyms  
Formula: CrO=93
RTECS: GB6650000 
C.A.S CAS#=20 1308-38-9
Section 2 Component Mixture
Sara 313 Component CAS Number % Dim Exposure Limits:
=
Chromium Trioxide (Chromic Acid) CAS# 1308-38-9  100%  W/W  ACGIH TWA 0.5 mg=20 = (Cr)/m=83 
Section 3 Hazard Identification (Also = see=20 section 11)
Heat, shock, friction, or contact with other materials may = cause=20 fire or explosion. Harmful if swallowed. Avoid breathing = vapor or=20 dust. Use adequate ventilation. Avoid contact with eyes, = skin or=20 clothes. Wash thoroughly after handling. Keep=20 closed. 
Section 4 First Aid Measures
Heat, shock, friction, or contact with other materials may = cause=20 fire or explosion. Harmful if swallowed. Avoid breathing = vapor or=20 dust. Use adequate ventilation. Avoid contact with eyes, = skin or=20 clothes. Wash thoroughly after handling. Keep = closed.

FIRST=20 AID: CALL A PHYSICIAN. SKIN: Remove contaminated clothing. = Wash=20 exposed area with soap and water.

EYES: Wash eyes = with plenty=20 of water for at least 15 minutes, lifting lids occasionally. = Seek=20 Medical Aid. INHALATION: Remove to fresh air. If not = breathing, give=20 artificial respiration. If breathing is difficult, give=20 oxygen

INGESTION: If swallowed, induce vomiting = immediately=20 after giving two glasses of water. Never give anything by = mouth to=20 an unconcious person.
Section 5 Fire Fighting = Measures
Fire Extinguisher Type: Any means suitable for extinguishing=20 surrounding fire
Fire/Explosion Hazards: Thermal decomposition produces highly = toxic=20 fumes. Strong oxidizer. Contact with combustible = materials may=20 cause fire.
Fire Fighting Procedure: Wear self-contained breathing apparatus = and=20 protective clothing to prevent contact with skin and = clothing.=20 Use water spray to cool exposed=20 = containers.
Section 6 Accidental Release = Measures
Wear Protective equipment. Sweep up, place in a bag and = hold for=20 waste disposal.
Section 7 Handling and Storage
Store in a cool, dry, well-ventilated place away from=20 combustible materials. Wash thoroughly after=20 handling. 
Section 8 Exposure Controls & = Personal=20 Protection
Respiratory Protection:NIOSH/MSHA-approved respirator
Ventilation: Mechanical: Hand Protection: Wear appropriate gloves to prevent skin = exposure
Local Exhaust: Eye Protection: Goggles and Face = Shield
Other=20 Protective Equipment: Wear appropriate clothing to prevent = skin=20 exposure
Section 9 Physical and Chemical = Properties
=
Melting Point: 385=B0F Specific Gravity 2.7
Boiling Point: 482=B0F Percent Volatile by Volume: 0
Vapor Pressure: N/A Evaporation Rate: N/A
Vapor Density: N/A Evaporation Standard: Not Applicable
Solubility in Water: Soluble Auto ignition Temperature: N/A
Appearance and Odor: Odorless red to dark purple crystals or powder Lower Flamm. Limit in Air: N/A
Flash Point: N/A Upper Flamm. Limit in Air:N/A
Section 10 Stability and Reactivity=20 Information
Stability: Stable Conditions to Avoid: Avoid heat
Materials to Avoid:
Metals, organics, = phosphorus, hydrogen sulfide, ammonia, arsenic, = sodium,=20 sulfur
Hazardous Decomposition = Products:
Nature of=20 decomposition products is not known
Hazardous Polymerization:Will Not = Occur
Condition to Avoid:None=20 known
Section 11 Additional = Information
Oxidizer! Toxic! Known Human Carcinogen! Conditions = aggravated:=20 Persons with preexisting skin, eye or respiratory disorders = or=20 chromium sensitization may be more susceptible. Acute: May = be fatal=20 by ingestion, inhalation or skin absorbtion. Severe = irritation or=20 burns to skin, eyes, mucous membranes, respiratory and GI = tracts.=20 Chronic: Sensitizer. Carcinogen. Respiratory tract tumors. = Cyanosis.=20 Damage to eyes, skin, lungs, kidneys. May alter genetic = material.=20 Target organs: Lungs, kidneys. 
DOT Classification: Chromium Trioxide, Anhydrous, = 5.1, 8,=20 UN1463, PG II
DOT regulations may change from time to time. Please = consult the=20 most recent version of the relevant regulations.
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Revision No:0 Date Entered: 9/1/2006 Approved by: WPF