Product ID:COPPER MASKING REAGENT, 21873
MSDS Date:01/01/1987
FSC:6810
NIIN:00F004557
MSDS Number: BBQNF

Emergency Phone: (515) 232-2533

Cage: EO797

Telephone: 970-669-3050/ 303-623-5716

Cage: EO797

SODIUM THIOSULFATE

CAS: 7772-98-7

RTECS: XN6476000

Fraction By Weight: <95%

DISODIUM SUCCINATE,

Fraction By Weight: <15%

Effects of Overexposure:IRRITATING TO EYES/RESPIRATORY TRACT.

First Aid:EYE/SKIN CONTACT: IMMEDIATELY FLUSH EYES WITH WATER FOR 15
MINUTES. CALL PHYSICIAN. WASH SKIN WITH SOAP AND PLENTY OF WATER.
INGESTION: GIVE LARGE QUANTITIES OF WATER OR MILK. CALL PHYSICIAN
IMMEDIAT ELY. INHALATION: REMOVE TO FRESH AIR.

Extinguishing Media:WATER, CO2, OR DRY CHEMICAL
Unusual Fire/Explosion Hazard:MAY EMIT HIGHLY TOXIC FUMES.

Spill Release Procedures:COVER SPILL W/SODA ASH OR SODIUM BICARBONATE.
MIX/SPRAY W/WATER. IF EFFERVESCENT WAIUNTIL REACTION IS COMPLETE.
SCOOP INTO A LARGE BEAKER/CAUTIOUSLY ADD EQU VOLUME OF CALCIUM
HYPOCHLORITE (REACTION MA Y BE VIGOROUS).

Handling and Storage Precautions:STORE TIGHTLY CLOSED IN A COOL, DRY
PLACE. WASH THOROUGHLY AFTER HANDLING. AVOID CONTACT
W/EYESKIN/CLOTHING. DON'T BREATHE CHEMICALS.

Ventilation:ADEQUATE VENTILATION
Eye Protection:SAFETY GLASSES
Supplemental Safety and Health
MSDS DATE: 14 NOV 85. PH: OF 5% SOLN = 7.9

Spec Gravity:2.22
Solubility in Water:COMPLETE
Appearance and Odor:WHITE POWDER

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:EXCESSIVE HEAT; CONTACT WITH NANO2 OR
STRONG OXIDIZERS
Hazardous Decomposition Products:HIGHLY TOXIC S0X FUMES

Waste Disposal Methods:ADD MORE WATER, STIR, AND ALLOW TO STAND FOR 1
HOUR. DILUTE AND NEUTRALIZE THE OXIDIZED SOLUTION AND TRANSFER TO
THE DRAIN WITH EXCESS WATER. DISPOSE OF IN ACCORDANCE WITH ALL
FEDERAL, STATE, AND LOCA L 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.