Product ID:USCALRITE SCALE-GON - HEAVY DUTY LIME SOLVENT
MSDS Date:11/01/1992
FSC:6850
NIIN:00-949-1397
MSDS Number: BWDZW

U S CHEMICAL - DIVISION OF HYDRITE CHEMICAL

316 HART ST.
WATERTOWN, WI 53094
US

Emergency Phone: 800-228-5635 X-075

Info Phone: 800-558-9566

Preparer: DAVID E. KANAS

Cage: MO345

U S CHEMICAL - A DIVISION OF HYDRITE CHEMICAL

WATERTOWN, WI 53094 US

Telephone: 800-558-9566/800-228-5635

Cage: MO345

PHOSPHORIC ACID (SARA III)

CAS: 7664-38-2

RTECS: TB6300000

Fraction By Weight: 35.7%

OSHA PEL 1 MG/M3

ACGIH TLV: 1 MG/M3/3 STEL; 9394

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

LD50 LC50 Mixture:LD50 (ORAL RAT) IS 1530 MG/KG(H*3PO*4)
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:**CORROSIVE** ACUTE: CORROSIVE. CAN
CAUSE BURNS OR DESTRUCTION OF EXPOSED TISSUE. EXTENSIVE BURNS MAY
BE FATAL. INHALATION MAY CAUSE PULMONARY EDEMA. CHRONIC: PERMANENT
EYE DAMAGE, BLINDNESS. PROLONGE D SKIN CONTACT MAY CAUSE DERMATITIS
OR SKIN TISSUE DESTRUCTION.
Explanation of Carcinogenicity:THERE ARE NO INGREDIENTS ABOVE 0.1%
WHICH ARE IDENTIFIED AS CARCINOGENS BY NTP,IARC OR OSHA.
Effects of Overexposure:SEVERE IRRITATION AND BURNS TO ALL TISSUES
CONTACTED. EYES/SKIN: BURNING SENSATION. INHALATION: RESPIRATORY
TRACT IRRITATION, BREATHING DIFFICULTY. INGESTION: BURNING
SENSATION OF GASTROINTESTINAL SYS TEM, PAIN, NAUSEA, VOMITING,
BLOODY DIARRHEA, CONVULSION. IN SEVERE CASES, COLLAPSE AND DEATH.
Medical Cond Aggravated by Exposure:SKIN IRRITATION MAY BE AGGRAVATED
IN PERSONS WITH EXISTING SKIN LESIONS. BREATHING OF MISTS MAY
AGGRAVATE ACUTE OR CHRONIC ASHTMA OR OTHER RESPIRATORY DISEASES.

First Aid:INHALATION:REMOVE TO FRESH AIR.IF NOT BREATHING GIVE CPR. SEE
DOCTOR.EYES: IMMEDIATELY FLUSH EYES WITH PLENTY OF LUKEWARM WATER
FOR 15 MINUTES.SEE DOCTOR. SKIN: WASH WITH PLENTY OF SOAP AND
WATER. REM OVE CONTAMINATED CLOTHING AND SHOES. INGESTION: DO NOT
INDUCE VOMITING. IF CONSCIOUS, GIVE 2 GLASSES OF WATER OR MILK TO
DRINK. GIVE NOTHING BY MOUTH IF UNCONSCIOUS. SEE DOCTOR.CALL
800-228-5635 X075.

Flash Point:NONE
Extinguishing Media:NON-FLAMMABLE. USE EXTINGUISHING MEDIA APPROPIATE
FOR SURROUNDING FIRE.
Fire Fighting Procedures:EVACUATE AREA. FIREFIGHTERS WEAR SCBA AND
PROTECTIVE CLOTHING. IF EXPOSED, IMMEDIATELY RELIEVE FROM DUTY AND
OBTAIN PROMPT MEDICAL ATTENTION.
Unusual Fire/Explosion Hazard:COMBUSTION OR HEAT OF FIRE MAY PRODUCE
HAZARDOUS DECOMPOSITION PRODUCTS AND VAPORS. CONTACT WITH COMMON
METALS PRODUCES FLAMMABLE AND EXPLOSIVE HYDROGEN GAS.

Spill Release Procedures:REMOVE PERSONEL. VENTILATE. WEAR RESPIRATOR
AND PROTECTIVE CLOTHING. SLOWLY, NEUTRALIZE SPILL. ABSORB IN INERT
MATERIAL AND PLACE IN APPROPIATE DISPOSAL CONTAINER. FLUSH AREA
WITH LARGE AMOUNTS OF WAT ER.
Neutralizing Agent:SODA ASH, SODIUM BICARBONATE, OR LIME.

Handling and Storage Precautions:STORE BELOW 100F IN A DRY AREA.KEEP
CONTAINERS TIGHTLY CLOSED WHEN NOT IN USE. CORROSIVE TO MILD STEEL
AND ALUMINUM.
Other Precautions:SUITABLE CONTAINERS ARE GLASS, POLYETHYLENE LINED
DRUMS, FIBERGLAS. WHEN HANDLING THIS PRODUCT WEAR PROTECTIVE
CLOTHING AND EQUIPMENT. WHEN DILUTING, ALWAYS ADD ACID SLOWLY TO
WATER. STIR WELL TO AVOI D SPATTERING. NEVER ADD WATER TO ACID.

Respiratory Protection:USE NIOSH/MSHA-APPROVED RESPIRATOR FOR ACID
MISTS WHEN HANDLING SPILLS OR LEAKS, OR WHEN AIRBORNE
CONCENTRATIONS EXCEED EXPOSURE LIMITS.
Ventilation:PROVIDE SUFFICIENT LOCAL EXHAUST VENTILATION TO CONTROL
INHALATION EXPOSURES BELOW OSHA'S PEL.
Protective Gloves:NEOPRENE, NITRILE OR NATURAL RUBBER.
Eye Protection:SAFETY GOGGLES AND FULL FACE SHIELD.
Other Protective Equipment:EYE WASH STATION AND SAFETY SHOWER.
INDUSTRIAL-TYPE WORK CLOTHING AND APRON AS REQUIRED. HAVE OXYGEN
READILY AVAILABLE.
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. DO NOT WEAR CONTAMINATED CLOTHING OR
FOOTWEAR.
Supplemental Safety and Health
**CORROSIVE**

HCC:C1
Spec Gravity:1.22
pH:<2
Solubility in Water:COMPLETE
Appearance and Odor:RED LIQUID.ODOR NOT REPORTED.

Stability Indicator/Materials to Avoid:YES
MIX ONLY WITH WATER.AVOID CONTACT WITH METALS,STRONG
ALKALIES,CHLORINATED COMPOUNDS,AL,SN,ZN,CYANIDES,SULFIDES,SULFITES.
Stability Condition to Avoid:TEMPERATURE ABOVE 100F
Hazardous Decomposition Products:PHOSPHORIC ACID FUMES AND ACID MIST.
CONTACT WITH COMMON METALS PRODUCES FLAMMABLE HYDROGEN GAS.

Waste Disposal Methods:DISPOSAL SHOULD BE MADE IN ACCORDANCE WITH ALL
APPLICABLE FEDERAL, STATE AND LOCAL LAWS AND REGULATIONS. LANDFILL
SUITABLE AFTER PROPER NEUTRALIZATION. RCRA HAZARDOUS WASTE NUMBER
D002.

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.