Product ID:C9510 CATECHOL CRYSTALLINE
MSDS Date:04/03/1993
FSC:6810
NIIN:00F032300
MSDS Number: BSZFT

SIGMA CHEMICAL CO SIGMA DIAGNOSTICS DIV

3050 SPRUCE ST
ST LOUIS, MO 63178
US

Emergency Phone: 800-325-3010/314-771-5765

Info Phone: 800-325-3010/800-325-5052 (FAX)

Cage: 0DK69

SIGMA CHEMICAL CO SIGMA DIAGNOSTICS DIV

ST LOUIS, MO 63103-2530 US

Telephone: 314-771-5765

Cage: 0DK69

CATECHOL; PYROCATECHOL

CAS: 120-80-9

RTECS: DJ3450000

OSHA PEL 5 PPM

ACGIH TLV: 2320 MG/CUM

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

LD50 LC50 Mixture:ORAL LD50 (RAT): 260 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:CORROSIVE. EXTREMELY DESTRUCTIVE TO
TISSUES OF THE MUCOUS MEMBRANES, UPPER RESPIRATORY TRACT, EYES,
SKIN. HARMFUL IF SWALLOWED, INHALED OR ABSORBED THROUGH SKIN.
INHALATION MAY BE FATAL AS A RESULT OF SPASM, INFLAMMATION & EDEMA
OF THE LARYNX & BRONCHI, CHEMICAL PNEUMONITIS & PULMONARY EDEMA.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:EFFECTS PERIPHERAL NERVOUS SYSTEM, BEHAVORIAL
CHANGES, LUNGS, BLOOD, REPRODUCTIVE SYSTEM. INHALATION: BURNING
SENSATION, COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF BREATH,
HEADACHE, NAUSEA, VOMITING .

First Aid:EYES: FLUSH W/WATER FOR 15 MINS. INHALATION: REMOVE TO FRESH
AIR. IF BREATHING DIFFICULT OR STOPPED, GIVE OXYGEN OR CPR.
INGESTION: WASH OUT MOUTH W/WATER. SKIN: FLUSH W/WATER FOR 15 MINS
WHILE REMOVI NG CONTAMINATED CLOTHING & SHOES. OBTAIN MEDICAL
ATTENTION IN ALL CASES.

Flash Point:279F
Lower Limits:1.97%
Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL POWDER, FOAM
Fire Fighting Procedures:WEAR SCBA & PROTECTIVE CLOTHING TO PREVENT
SKIN CONTACT.

Spill Release Procedures:WEAR SCBA, RUBBER BOOTS & GLOVES. SWEEP UP &
PLACE IN BAG. AVOID RAISING DUST. VENTILATE AREA. AFTER PICK-UP IS
COMPLETE, WASH AREA.

Handling and Storage Precautions:KEEP CONTAINERS TIGHTLY CLOSED. STORE
IN COOL, DRY AREA.
Other Precautions:AVOID BREATHING DUST & CONTACT W/SKIN, EYES &
CLOTHING.

Respiratory Protection:APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR
Ventilation:USE PRODUCT ONLY IN A CHEMICAL FUME HOOD
Protective Gloves:CHEMICAL RESISTANT/FACE SHIELD
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:OTHER PROTECTIVE CLOTHING AS NEEDED. SAFETY
SHOWER & EYE BATH IN AREA.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. REMOVE
CONTAMINATED CLOTHING & SHOES IMMEDIATELY.
Supplemental Safety and Health

Boiling Pt:B.P. Text:473F
Melt/Freeze Pt:M.P/F.P Text:219-223F
Vapor Pres:1
Vapor Density:3.8
Appearance and Odor:WHITE FLAKES

Stability Indicator/Materials to Avoid:YES
ACID CHLORIDES & ANHYDRIDES, BASES, OXIDIZING AGENTS
Stability Condition to Avoid:LIGHT, EXPOSURE TO AIR, HEAT
Hazardous Decomposition Products:CO, CO2

Waste Disposal Methods:DISSOLVE OR MIX MATERIAL W/COMBUSTIBLE SOLVENT &
BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AFTERBURNER & SCRUBBER
I/A/W LOCAL, STATE & FEDERAL 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.