Product ID:HY113 HYDROQUINONE
MSDS Date:12/13/1995
FSC:6505
NIIN:00F048082
MSDS Number: BZGWK

SPECTRUM CHEMICAL MFG CORP

14422 S SAN PEDRO STREET
GARDENA, CA 90248-9985
US

Emergency Phone: 310-516-8000

Info Phone: 310-516-8000

Cage: 63415

SPECTRUM LABORATORY PRODUCTS INC

GARDENA, CA 90248-2027 US

Telephone: 310-516-9843

Cage: 63415

HYDROQUINONE; 1,4-DIHYDROXYBENZENE; 1,4-BENZENEDIOL

CAS: 123-31-9

RTECS: MX3500000

Fraction By Weight: 100%

OSHA PEL 2 MG/CUM

ACGIH TLV: 2 MG/CUM

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

LD50 LC50 Mixture:ORAL LD50(RAT): 320 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:SKIN/EYES: SLIGHTLY DANGEROUS,
IRRITATION. INHALATION: FATAL, SEVERE OVEREXPOSURE CAUSES DEATH.
REPEATED EXPOSURE TO HIGHLY TOXIC MATERIAL CAUSES GENERAL
DETERIORATION OF HEALTH. MATERIAL IS IRRITATIN G TO MUCOUS
MEMBRANES & UPPER RESPIRATORY TRACT.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION.

First Aid:EYES: CHECK & REMOVE CONTACT LENSES. FLUSH W/RUNNING WATER.
COLD WATER MAY BE USED. DON'T USE OINTMENT. SKIN: USE A DELUGE
SHOWER, GENTLY & THOROUGHLY WASH W/RUNNING WATER & NON-ABRASIVE
SOAP. COLD WA TER MAY BE USED. COVER W/EMOLLIENT. SERIOUS CONTACT:
WASH W/DISINFECTANT SOAP & COVER W/ANTI-BACTERIAL CREAM.
INHALATION: REMOVE TO FRESH AIR. LOOSEN TIGHT FITTING CLOTHING.
(SEE SUPP)

Flash Point Method:CC
Flash Point:329F
Extinguishing Media:SMALL: DRY CHEMICALS, CO2, WATER SPRAY/FOAM. LARGE:
WATER SPRAY, FOG/FOAM. DON'T USE WATER JET.
Unusual Fire/Explosion Hazard:COMBUSTIBLE WHEN EXPOSED TO HEAT/FLAME.
AUTOIGNITION TEMP: 960F.

Spill Release Procedures:SMALL: USE APPROPRIATE TOOLS. LARGE: POISONOUS
SOLID. STOP LEAK W/O RISK. DON'T GET WATER INSIDE CONTAINER. DON'T
TOUCH MATERIAL. USE WATER SPRAY TO REDUCE VAPORS. DENY ENTRY INTO
SEWERS & OTHER WATER SOURCES. DIKE IF NEEDED. AVOID IGNITION
SOURCES.

Handling and Storage Precautions:KEEP CONTAINER DRY, IN A COOL PLACE.
GROUND EQUIPMENT CONTAINING MATERIAL. KEEP CONTAINER TIGHTLY
CLOSED. HIGHLY TOXIC/INFECTIOUS MATERIALS.
Other Precautions:SHOULD BE STORED IN SEPARATE LOCKED SAFETY STORAGE
CABINET/ROOM. KEEP AWAY FROM HEAT & OTHER IGNITION SOURCES. EMPTY
CONTAINERS POSE A FIRE RISK, EVAPORATE THE RESIDUE UNDER A FUME
HOOD. DON'T INGEST/ BREATHE DUST.

Respiratory Protection:WEAR SUITABLE RESPIRATORY EQUIPMENT. BE SURE TO
USE A NIOSH/MSHA APPROVED RESPIRATOR/EQUIVALENT.
Ventilation:USE PROCESS ENCLOSURES, LOCAL EXHAUST VENTILATION/OTHER
ENGINEERING CONTROLS TO KEEP LEVELS BELOW LIMITS.
Protective Gloves:IMPERVIOUS.
Eye Protection:SPLASH GOGGLES
Other Protective Equipment:LAB COAT, FULL SUIT, DUST RESPIRATOR, SCBA
TO AVOID INHALATION OF THE PRODUCT.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
REUSE.
Supplemental Safety and Health
FIRST AID CONT'D: GIVE OXYGEN/CPR IF NEEDED. INGESTION: REMOVE DENTURES
IF ANY. IF CONSCIOUS, DRINK SEVERAL GLASSES OF WATER/MILK. INDUCE
VOMITING BY STICKING FINGER IN THROAT. LOWER HEAD, SO VOMIT WI LL
NOT REENTER THE MOUTH/THROAT. OBTAINMEDICAL ATTENTION IN ALL CASES.

Boiling Pt:B.P. Text:546.8F
Melt/Freeze Pt:M.P/F.P Text:338F
Vapor Density:3.81
Spec Gravity:1.33
pH:7
Appearance and Odor:WHITE SOLID CRYSTALS

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS, ALKALIS.
Stability Condition to Avoid:HEAT, FLAME, AIR, LIGHT
Hazardous Decomposition Products:COMBUSTION: CO, CO2.

Waste Disposal Methods:RECYCLE TO PROCESS, IF POSSIBLE. DISPOSE OF
IAW/FEDERAL, STATE & LOCAL REGULATIONS. UN2662.

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.