Product ID:SUPERCHEM 556 DEVELOPER.(135-210)
MSDS Date:07/27/1992
FSC:6750
NIIN:01-036-9582
MSDS Number: BPXFP

CLAYTON CHEMICAL CO.

13310 S. FIGUEROA ST.
LOS ANGELES, CA 90061
US

Emergency Phone: 310-538-9530/800-424-9300(CHEMTREC)

Info Phone: 310-538-9530

Cage: 61803

CLAYTON CHEMICAL CO.

LOS ANGELES, CA 90061 US

Telephone: 310-538-9530/800-424-9300(CHEMTREC)

Cage: 61803

HYDROQUINONE (SARA III)

CAS: 123-31-9

RTECS: MX3500000

Fraction By Weight: 1-3%

OSHA PEL 2 MG/M3

ACGIH TLV: 2 MG/M3; 9192

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

POTASSIUM HYDROXIDE (SARA III)

CAS: 1310-58-3

RTECS: TT2100000

Fraction By Weight: 5-7% %

OSHA PEL C, 2 MG/M3

ACGIH TLV: C 2 MG/M3; 9293

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

SODIUM HYDROGEN SULFATE

CAS: 7681-38-1

RTECS: VZ1860000

Fraction By Weight: 3-4% %

LD50 LC50 Mixture:HYDROQUINONE-ORAL LD50 (RAT) =320 MG/KG.
Routes of Entry: Inhalation:NO Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYES: MAY CAUSE IRRITATION, AND
CORNEAL OPACITY. SKIN: MAY CAUSE IRRITATION AND ALLERGIC SKIN
REACTION, SKIN SENSITIZATION, DERMATITIS. INHALATION: NORMALLY NO
PROBLEM. INHALATION OF MIST COULD CAUSE RESPIRATORY IRRITATION.
INGESTION: MAY CAUSE ANEMIA, DISCOLORATION, IRRITATION OF MUCOUS
MEMBRANES OR DIGESTIVE TRACT.
Explanation of Carcinogenicity:NOT LISTED.
Effects of Overexposure:EYES: IRRITATION, CORNEAL OPACITY. SKIN:
IRRITATION, ALLERGIC SKIN REACTION. INHALATION: RESPIRATORY TRACT
IRRITATION. INGESTION: MUCOUS MEMBRANE AND DIGESTIVE TRACT
IRRITATION.
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING DISEASE
INVOLVING THE EYES, SKIN, OR RESPIRATORY TRACT MAY BE AT INCREASED
RISK FROM EXPOSURE.

First Aid:EYES: FLUSH WITH LARGE AMOUNTS OF WATER. GET MEDICAL
ATTENTION. SKIN: REMOVE CONTAMINATED CLOTHING. FLUSH AREA WITH
LARGE AMOUNTS OF WATER. IF IRRITATION PERSISTS, GET MEDICAL
ATTENTION. INHALATION: M OVE TO FRESH AIR AND RESTORE BREATHING IF
NECESSARY. INGESTION: DRINK MILK OR WATER. DO NOT INDUCE VOMITING.
GET MEDICAL ATTENTION.

Flash Point:NOT FLAMMABLE
Lower Limits:NONE
Upper Limits:NONE
Extinguishing Media:ANY EXTINGUISHING MEDIA APPLICABLE TO SURROUNDING
AREA.
Fire Fighting Procedures:EVACUATE PERSONNEL TO A SAFE AREA. KEEP
PERSONNEL REMOVED AND UPWIND OF FIRE. WEAR SELF-CONTAINED BREATHING
APPARATUS.
Unusual Fire/Explosion Hazard:WHEN HEATED TO DECOMPOSITION EMISSION OF
TOXIC FUMES OF SO2 IS POSSIBLE.

Spill Release Procedures:WEAR PROTECTIVE CLOTHING AND EQUIPMENT DURING
CLEANUP. DIKE SPILL. PREVENT LIQUID FROM ENTERING SEWERS,
WATERWAYS, OR LOW AREAS. SOAK UP WITH SAND, OIL DRY OR OTHER
ABSORBENT MATERIAL. SPILL MAY BE NE UTRALIZED WITH POWDERED CITRIC
ACID.
Neutralizing Agent:POWDERED CITRIC ACID.

Handling and Storage Precautions:STORE IN WELL VENTILATED AREA. KEEP
CONTAINER CLOSED. DO NOT STORE WITH INCOMPATABLE MATERIALS.
Other Precautions:DO NOT STORE OR CONSUME FOOD, DRINK, OR TOBACCO IN
AREA WHERE THEY MAY BECOME CONTAMINATED WITH THIS MATERIAL.

Respiratory Protection:NONE REQUIRED. SUFFICIENT ROOM VENTILATION IS
ADEQUATE.
Ventilation:NORMAL ROOM VENTILATION IS SUFFICIENT.
Protective Gloves:GLOVES RECOMMENDED FOR SPLASH PROTECTION
Eye Protection:EYEGLASSES WITH SIDE SHIELDS.
Other Protective Equipment:PROVIDE EYEWASH STATION. USE RUBBER APRON IF
SPLASHING IS LIKELY.
Work Hygienic Practices:WASH AFTER HANDLING AND BEFORE EATING,
DRINKING, OR SMOKING. LAUNDER CONTAMINATED CLOTHING BEFORE REUSE.
Supplemental Safety and Health

HCC:B3
Boiling Pt:B.P. Text:>212F,>100C
Vapor Pres:= WATER
Vapor Density:= WATER
Spec Gravity:1.140
pH:10.50
Evaporation Rate & Reference:SAME AS WATER.
Solubility in Water:100%
Appearance and Odor:CLEAR, PALE STRAW COLOR LIQUID. NO ODOR.
Percent Volatiles by Volume:=WATER

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS, OXIDIZERS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:OXIDES OF SULFUR AND NITROGEN, CARBON
DIOXIDE, CARBON MONOXIDE.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

Waste Disposal Methods:RECOVER NONUSABLE LIQUID, CONTAMINATED WATER,
NONUSABLE SOLID MATERIAL, CONTAMINATED SOIL FOR DISPOSAL IN
APPROVED AND PERMITTED TREATMENT SYSTEM OR LANDFILL. DISCHARGE TO
SEWER REQUIRES APPROVAL OF P ERMITTING AUTHORITY AND MAY REQUIRE
PRETREATMENT.

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.