MSDS - MERCURIC OXIDE, RED
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1 - PRODUCT IDENTIFICATION
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PRODUCT NAME: MERCURIC OXIDE, RED
FORMULA: HGO
FORMULA WT: 216.59
CAS NO.: 21908-53-2
NIOSH/RTECS NO.: OW8750000
COMMON SYNONYMS: MERCURY(II)OXIDE, RED
PRODUCT CODES: 2620,2622
EFFECTIVE: 09/26/86
REVISION #02
PRECAUTIONARY LABELLING
BAKER SAF-T-DATA(TM) SYSTEM
HEALTH - 4 EXTREME (POISON)
FLAMMABILITY - 0 NONE
REACTIVITY - 0 NONE
CONTACT - 3 SEVERE (LIFE)
HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD).
LABORATORY PROTECTIVE EQUIPMENT
GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES
PRECAUTIONARY LABEL STATEMENTS
POISON DANGER
EXCEPTIONAL CONTACT HAZARD - READ MATERIAL SAFETY DATA SHEET
MAY BE FATAL IF SWALLOWED, INHALED, OR ABSORBED THROUGH SKIN
DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
DO NOT BREATHE DUST. KEEP IN TIGHTLY CLOSED CONTAINER. USE WITH ADEQUATE
VENTILATION. WASH THOROUGHLY AFTER HANDLING.
SAF-T-DATA(TM) STORAGE COLOR CODE: BLUE (HEALTH)
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2 - HAZARDOUS COMPONENTS
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COMPONENT % CAS NO.
MERCURIC OXIDE 90-100 21908-53-2
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3 - PHYSICAL DATA
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BOILING POINT: N/A VAPOR PRESSURE(MM HG): N/A
MELTING POINT: 500 C ( 932 F) DECOMPOSES VAPOR DENSITY(AIR=1): N/A
SPECIFIC GRAVITY: 11.14 EVAPORATION RATE: 0.6
(H2O=1) (BUTYL ACETATE=1)
SOLUBILITY(H2O): NEGLIGIBLE (LESS THAN 0.1 %) % VOLATILES BY VOLUME: 0
APPEARANCE & ODOR: BRIGHT RED OR ORANGE-RED HEAVY POWDER WITH NO ODOR.
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4 - FIRE AND EXPLOSION HAZARD DATA
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FLASH POINT (CLOSED CUP N/A
FLAMMABLE LIMITS: UPPER - N/A % LOWER - N/A %
FIRE EXTINGUISHING MEDIA
USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING FIRE.
SPECIAL FIRE-FIGHTING PROCEDURES
FIREFIGHTERS SHOULD WEAR PROPER PROTECTIVE EQUIPMENT AND SELF-CONTAINED
BREATHING APPARATUS WITH FULL FACEPIECE OPERATED IN POSITIVE PRESSURE MODE.
UNUSUAL FIRE & EXPLOSION HAZARDS
NOTE: DECOMPOSES AT MELTING POINT.
CAN REACT VIOLENTLY WITH SHOCK, FRICTION OR HEAT.
TOXIC GASES PRODUCED
CARBON MONOXIDE, CARBON DIOXIDE, MERCURY FUMES
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5 - HEALTH HAZARD DATA
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PEL LISTED DENOTES CEILING LIMIT.
THRESHOLD LIMIT VALUE (TLV/TWA): 0.1 MG/M3 ( PPM)
PERMISSIBLE EXPOSURE LIMIT (PEL): 0.1 MG/M3 ( PPM)
TOXICITY: LD50 (ORAL-RAT)(MG/KG) - 18
CARCINOGENICITY: NTP: NO IARC: NO Z LIST: NO OSHA REG: NO
EFFECTS OF OVEREXPOSURE
ACUTE POISONING VIA ALL ROUTES OF EXPOSURE MAY BE SEVERE ENOUGH TO BE
FATAL.
DUST INHALATION MAY CAUSE TIGHTNESS AND PAIN IN CHEST, COUGHING, AND
DIFFICULTY IN BREATHING.
CONTACT WITH SKIN OR EYES MAY CAUSE SEVERE IRRITATION OR BURNS. PROLONGED
CONTACT MAY CAUSE SKIN SENSITIZATION. SUBSTANCE IS READILY ABSORBED
THROUGH THE SKIN.
PROLONGED EYE CONTACT MAY CAUSE PERMANENT DAMAGE TO THE CORNEA AND
BLINDNESS MAY OCCUR.
INGESTION MAY CAUSE NAUSEA, VOMITING, GASTROINTESTINAL IRRITATION, AND
BURNS TO MOUTH AND THROAT.
CHRONIC EFFECTS OF MERCURY POISONING INCLUDE A BUILDUP OF THE
METAL IN THE BRAIN, LIVER AND KIDNEYS. SYMPTOMS INCLUDE HEADACHE,
TREMORS, LOOSE TEETH, LOSS OF APPETITE, BLISTERS ON THE SKIN AND
IMPAIRED MEMORY.
TARGET ORGANS
EYES, SKIN, RESPIRATORY SYSTEM, CENTRAL NERVOUS SYSTEM, KIDNEYS
MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
ALLERGIES, CHRONIC RESPIRATORY DISEASE, NERVE SYSTEM DISORDERS,
KIDNEY DISORDERS
ROUTES OF ENTRY
INHALATION, ABSORPTION, SKIN CONTACT, EYE CONTACT
EMERGENCY AND FIRST AID PROCEDURES
CALL A PHYSICIAN.
IF SWALLOWED, IF CONSCIOUS, IMMEDIATELY INDUCE VOMITING.
IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL
RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN WITH PLENTY OF WATER FOR
AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED CLOTHING AND SHOES.
WASH CLOTHING BEFORE RE-USE.
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6 - REACTIVITY DATA
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STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR
CONDITIONS TO AVOID: LIGHT, HEAT
INCOMPATIBLES: STRONG REDUCING AGENTS, STRONG OXIDIZING AGENTS,
AMINES, COMBUSTIBLE MATERIALS, ORGANIC MATERIALS,
PHENOL
DECOMPOSITION PRODUCTS: MERCURY FUMES, CARBON MONOXIDE, CARBON DIOXIDE
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7 - SPILL AND DISPOSAL PROCEDURES
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STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE
WEAR SELF-CONTAINED BREATHING APPARATUS AND FULL PROTECTIVE CLOTHING.
WITH CLEAN SHOVEL, CAREFULLY PLACE MATERIAL INTO CLEAN, DRY CONTAINER AND
COVER; REMOVE FROM AREA. FLUSH SPILL AREA WITH WATER.
DISPOSAL PROCEDURE
DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL
ENVIRONMENTAL REGULATIONS.
EPA HAZARDOUS WASTE NUMBER: D009 (EP TOXIC WASTE)
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8 - PROTECTIVE EQUIPMENT
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VENTILATION: USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET
TLV REQUIREMENTS.
RESPIRATORY PROTECTION: NONE REQUIRED WHERE APPROPRIATE VENTILATION
CONDITIONS EXIST. IF THE TLV IS EXCEEDED, A SELF-
CONTAINED BREATHING APPARATUS IS ADVISED.
EYE/SKIN PROTECTION: SAFETY GOGGLES, UNIFORM, APRON, PROPER GLOVES ARE
RECOMMENDED.
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9 - STORAGE AND HANDLING PRECAUTIONS
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SAF-T-DATA(TM) STORAGE COLOR CODE: BLUE (HEALTH)
SPECIAL PRECAUTIONS
KEEP PRODUCT OUT OF LIGHT.
KEEP CONTAINER TIGHTLY CLOSED. STORE IN SECURE POISON AREA.
STORE IN LIGHT-RESISTANT CONTAINERS.
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10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION
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DOMESTIC (D.O.T.)
PROPER SHIPPING NAME MERCURIC OXIDE, SOLID
HAZARD CLASS POISON B
UN/NA UN1641
LABELS POISON
INTERNATIONAL (I.M.O.)
PROPER SHIPPING NAME MERCURIC OXIDE, SOLID
HAZARD CLASS 6.1
UN/NA UN1641
LABELS POISON