Product ID:SELENOUS ACID, 0310
MSDS Date:05/01/1989
FSC:6810
NIIN:00N059211
MSDS Number: BXJHS

J T BAKER INC

222 RED SCHOOL LANE
PHILLIPSBURG, NJ 08865
US

Emergency Phone: 800-424-9300(CHEMTREC)

Info Phone: 908-859-2151

Cage: DO803

MALLINCKRODT BAKER, INC.

PHILLIPSBURG, NJ 08865 US

Telephone: 800-582-2537

Cage: 70829

SELENIOUS ACID (SARA 302/313) (CERCLA)

CAS: 7783-00-8

RTECS: VS7175000

Fraction By Weight: 90-100%

OSHA PEL 0.2 MG(SE)/M3

ACGIH TLV: 0.2 MG(SE)/M3

EPA Report Quantity: 10 LBS

DOT Report Quantity: 10 LBS

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION:IS HARMFUL AND MAY BE
FATAL. SKIN:SEVERE IRRITATION OR BURNS. EYE:SEVERE IRRITATION OR
BURNS. SKIN ABSORPTION:MAY BE HARMFUL. INGESTION:IS HARMFUL AND MAY
BE FATAL. TARGET ORGANS:UPPER RESP IRATORY SYSTEM, EYES, SKIN,
LIVER, KIDNEYS, BLOOD. CHRONIC:NONE IDENTIFIED.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE IDENTIFIED.

First Aid:INGESTION:CALL MD. IF CONSCIOUS, GIVE LARGE AMOUNT OF MILK,
MILK OF MAGNESIA OR WHITES OF EGGS BEATEN WITH WATER. INDUCE
VOMITING. INHALATION:REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE
ARTIFICIAL RES PIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
SKIN:IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR AT LEAST 15
MINUTES. EYES:IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR AT LEAST
15 MINUTES.

Flash Point Method:CC
Extinguishing Media:UES EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING
FIRE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:DECOMPOSES AT MELTING POINT.

Spill Release Procedures:WEAR NIOSH/MSHA APPROVED SELF CONTAINED
BREATHING APPARATUS AND FULL PROTECTIVE CLOTHING. WITH CLEAN
SHOVEL, CAREFULLY PLACE MATERIAL INTO CLEAN, DRY CONTAINER AND
COVER; REMOVE FROM AREA. FLUSH SPILL AREA WITH WATER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP CONTAINER TIGHTLY CLOSED. STORE
IN CORROSION-PROOF AREA. DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
DO NOT BREATHE VAPOR.
Other Precautions:KEEP IN TIGHTLY CLOSED CONTAINER. USE WITH ADEQUATE
VENTILATION.

Respiratory Protection:RESPIRATORY PROTECTION REQUIRED IF AIRBORNE
CONCENTRATION EXCEEDS TLV. AT CONCENTRATIONS UP TO 2 PPM, A
NIOSH/MSHA APPROVED HIGH-EFFICIENCY PARTICULATE RESPIRATOR IS
RECOMMENDED. ABOVE THIS LEVEL, A N IOSH/MSHA APPROVED SCBA IS
ADVISED.
Ventilation:USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV
REQUIREMENTS.
Protective Gloves:RUBBER GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS(SUPDAT)
Other Protective Equipment:EMERGENCY EYE WASH & DELUGE SHOWER WHICH
MEET ANSI DESIGN CRITERIA . UNIFORM AND PROTECTIVE SUIT ARE
RECOMMENDED.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
EYE PROT:AND FULL LENGTH FACE SHIELD .

Melt/Freeze Pt:M.P/F.P Text:158F,70C
Spec Gravity:3.00 (H*2O=1)
Solubility in Water:COMPLETE (100%)
Appearance and Odor:SOLID CRYSTALS, ODORLESS.

Stability Indicator/Materials to Avoid:YES
NONE IDENTIFIED.
Stability Condition to Avoid:HEAT.
Hazardous Decomposition Products:NONE IDENTIFIED.

Waste Disposal Methods:DISPOSE IN ACCORDANCE WITH ALL APPLICABLE
FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.