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1 - PRODUCT IDENTIFICATION
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PRODUCT NAME: SELENIUM
FORMULA: SE
FORMULA WT: 78.96
CAS NO.: 07782-49-2
NIOSH/RTECS NO.: VS7700000
COMMON SYNONYMS: ELEMENTAL SELENIUM; SELENIUM DUST; SELENIUM HOMOPOLYMER
PRODUCT CODES: 3395
EFFECTIVE: 10/31/85
REVISION #01
PRECAUTIONARY LABELLING
BAKER SAF-T-DATA(TM) SYSTEM
HEALTH - 3 SEVERE (LIFE)
FLAMMABILITY - 0 NONE
REACTIVITY - 1 SLIGHT
CONTACT - 2 MODERATE
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
CAUSES IRRITATION
HARMFUL IF SWALLOWED OR INHALED
EXCEPTIONAL HEALTH HAZARD - READ MATERIAL SAFETY DATA SHEET
AVOID CONTACT WITH EYES, SKIN, 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.
SELENIUM 90-100 7782-49-2
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3 - PHYSICAL DATA
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BOILING POINT: 685 C ( 1265 F) VAPOR PRESSURE(MM HG): N/A
MELTING POINT: 144 C ( 291 F) VAPOR DENSITY(AIR=1): N/A
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SPECIFIC GRAVITY: 4.81 EVAPORATION RATE: N/A
(H2O=1) (BUTYL ACETATE=1)
SOLUBILITY(H2O): NEGLIGIBLE (LESS THAN 0.1 %) % VOLATILES BY VOLUME: 0
APPEARANCE & ODOR: DARK GRAY TO DARK RED POWDER OR CRYSTALS.
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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.
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5 - HEALTH HAZARD DATA
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THRESHOLD LIMIT VALUE (TLV/TWA): 0.2 MG/M3 ( PPM)
PERMISSIBLE EXPOSURE LIMIT (PEL): 0.2 MG/M3 ( PPM)
TOXICITY: LD50 (ORAL-RAT)(MG/KG) - 6700
LD50 (IV-RAT) (MG/KG) - 6
CARCINOGENICITY: NTP: NO IARC: NO Z LIST: NO OSHA REG: NO
EFFECTS OF OVEREXPOSURE
DUST MAY IRRITATE SKIN OR EYES.
DUST MAY IRRITATE NOSE AND THROAT.
PROLONGED EXPOSURE MAY CAUSE DERMATITIS.
INGESTION MAY CAUSE NAUSEA, VOMITING, HEADACHES, DIZZINESS,
GASTROINTESTINAL IRRITATION.
TARGET ORGANS
UPPER RESPIRATORY SYSTEM, EYES, SKIN, LIVER, KIDNEYS, BLOOD
MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
NONE IDENTIFIED
ROUTES OF ENTRY
INHALATION, ABSORPTION, INGESTION, EYE CONTACT, SKIN 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 WITH PLENTY OF WATER FOR AT
LEAST 15 MINUTES. FLUSH SKIN WITH WATER.
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6 - REACTIVITY DATA
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STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR
INCOMPATIBLES: STRONG ACIDS, STRONG OXIDIZING AGENTS,
MOST COMMON METALS
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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: D010 (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: A RESPIRATOR WITH DUST/MIST FILTER IS RECOMMENDED.
IF AIRBORNE CONCENTRATION EXCEEDS TLV, A SELF-
CONTAINED BREATHING APPARATUS IS ADVISED.
EYE/SKIN PROTECTION: SAFETY GOGGLES, UNIFORM, APRON, RUBBER 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 CONTAINER TIGHTLY CLOSED. STORE IN SECURE POISON AREA.
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10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION
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DOMESTIC (D.O.T.)
PROPER SHIPPING NAME POISON B SOLID, N.O.S. (SELENIUM)
HAZARD CLASS POISON B
LABELS POISON
REPORTABLE QUANTITY 100 LBS.
INTERNATIONAL (I.M.O.)
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PROPER SHIPPING NAME SELENIUM METAL POWDER, NON-PYROPHORIC
HAZARD CLASS 6.1
UN/NA UN2658
LABELS HARMFUL - STOW AWAY FROM FOOD STUFFS
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