PRODUCT #: 209643       NAME: SELENIUM, PELLETS, <4MM, 99.99+% 
                     MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98 
                         Printed Thursday, March 13, 1903 4:09PM 
 
Sigma Chemical Co.         Aldrich Chemical Co., Inc.     Fluka Chemical Corp. 
P.O. Box 14508             1001 West St. Paul             1001 West St. Paul 
St. Louis, MO 63178        Milwaukee, WI 53233            Milwaukee, WI 53233 
Phone: 314-771-5765        Phone: 414-273-3850            Phone: 414-273-3850 
 
 
 
 
SECTION 1. - - - - - - - - - CHEMICAL IDENTIFICATION- - - - - - - - - - 
    CATALOG #:            209643 
    NAME:                 SELENIUM, PELLETS, <4MM, 99.99+% 
SECTION 2. - - - - - COMPOSITION/INFORMATION ON INGREDIENTS - - - - - - 
    CAS #: 7782-49-2 
    MF: SE 
    EC NO: 231-957-4 
  SYNONYMS 
    C.I. 77805 * COLLOIDAL SELENIUM * ELEMENTAL SELENIUM * SELEN (POLISH) 
    * SELENATE * SELENIUM (ACGIH) * SELENIUM ALLOY * SELENIUM BASE * 
    SELENIUM DUST * SELENIUM ELEMENTAL * SELENIUM HOMOPOLYMER * SELENIUM 
    POWDER (DOT) * UN2658 (DOT) * VANDEX * 
SECTION 3. - - - - - - - - - - HAZARDS IDENTIFICATION - - - - - - - - - 
  LABEL PRECAUTIONARY STATEMENTS 
    TOXIC 
    TOXIC BY INHALATION, IN CONTACT WITH SKIN AND IF SWALLOWED. 
    POSSIBLE RISK OF IRREVERSIBLE EFFECTS. 
    POSSIBLE TERATOGEN. 
    TARGET ORGAN(S): 
    NERVES 
    LIVER 
    IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE 
    IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE). 
    IN CASE OF CONTACT WITH EYES, RINSE IMMEDIATELY WITH PLENTY OF 
    WATER AND SEEK MEDICAL ADVICE. 
    AFTER CONTACT WITH SKIN, WASH IMMEDIATELY WITH PLENTY OF WATER. 
    WEAR SUITABLE PROTECTIVE CLOTHING, GLOVES AND EYE/FACE 
    PROTECTION. 
    STORE UNDER NITROGEN. 
SECTION 4. - - - - - - - - - - FIRST-AID MEASURES- - - - - - - - - - - 
    IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN WITH COPIOUS 
    AMOUNTS OF WATER FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED 
    CLOTHING AND SHOES. 
    ASSURE ADEQUATE FLUSHING OF THE EYES BY SEPARATING THE EYELIDS 
    WITH FINGERS. 
    IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL 
    RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN. 
    IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED PERSON IS CONSCIOUS. 
    CALL A PHYSICIAN. 
    DISCARD CONTAMINATED CLOTHING AND SHOES. 
SECTION 5. - - - - - - - - - FIRE FIGHTING MEASURES - - - - - - - - - - 
  EXTINGUISHING MEDIA 
    USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING FIRE CONDITIONS. 
    NONCOMBUSTIBLE. 
  SPECIAL FIREFIGHTING PROCEDURES 
    WEAR SELF-CONTAINED BREATHING APPARATUS AND PROTECTIVE CLOTHING TO 
    PREVENT CONTACT WITH SKIN AND EYES. 
  UNUSUAL FIRE AND EXPLOSIONS HAZARDS 
    EMITS TOXIC FUMES UNDER FIRE CONDITIONS. 
 
                                          Page 1 
             PRODUCT #: 209643       NAME: SELENIUM, PELLETS, <4MM, 99.99+% 
                     MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98 
                         Printed Thursday, March 13, 1903 4:09PM 
 
SECTION 6. - - - - - - - - ACCIDENTAL RELEASE MEASURES- - - - - - - - - 
    EVACUATE AREA. 
    WEAR SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY 
    RUBBER GLOVES. 
    SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE DISPOSAL. 
    AVOID RAISING DUST. 
    VENTILATE AREA AND WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE. 
SECTION 7. - - - - - - - - - - HANDLING AND STORAGE- - - - - - - - - - - 
    REFER TO SECTION 8. 
SECTION 8. - - - - - - EXPOSURE CONTROLS/PERSONAL PROTECTION- - - - - - 
    CHEMICAL SAFETY GOGGLES. 
    NIOSH/MSHA-APPROVED RESPIRATOR. 
    LONG RUBBER OR NEOPRENE GAUNTLET GLOVES. 
    IMPERVIOUS PROTECTIVE CLOTHING. 
    SAFETY SHOWER AND EYE BATH. 
    USE ONLY IN A CHEMICAL FUME HOOD. 
    AVOID INHALATION. 
    DO NOT GET IN EYES, ON SKIN, ON CLOTHING. 
    READILY ABSORBED THROUGH SKIN. 
    WASH THOROUGHLY AFTER HANDLING. 
    TOXIC. 
    POSSIBLE TERATOGEN. 
    KEEP TIGHTLY CLOSED. 
    STORE UNDER NITROGEN. 
SECTION 9. - - - - - - - PHYSICAL AND CHEMICAL PROPERTIES - - - - - - - 
  APPEARANCE AND ODOR 
    REDDISH-GREY PELLETS 
  PHYSICAL PROPERTIES 
    MELTING POINT:       217 C 
    SPECIFIC GRAVITY:      4.810 
SECTION 10. - - - - - - - - -STABILITY AND REACTIVITY - - - - - - - - - 
  INCOMPATIBILITIES 
    STRONG OXIDIZING AGENTS 
    AVOID CONTACT WITH ACID. 
  HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS 
    NATURE OF DECOMPOSITION PRODUCTS NOT KNOWN. 
SECTION 11. - - - - - - - - - TOXICOLOGICAL INFORMATION - - - - - - - - 
  ACUTE EFFECTS 
    HARMFUL IF SWALLOWED, INHALED, OR ABSORBED THROUGH SKIN. 
    EXPOSURE CAN CAUSE: 
    STOMACH PAINS, VOMITING, DIARRHEA. 
    COUGHING, CHEST PAINS, DIFFICULTY IN BREATHING. 
    LUNG IRRITATION 
    DERMATITIS 
    ACUTE SELENIUM POISONING PRODUCES CENTRAL NERVOUS SYSTEM EFFECTS, 
    WHICH INCLUDE NERVOUSNESS, CONVULSIONS AND DROWSINESS. OTHER SIGNS OF 
    INTOXICATION CAN INCLUDE SKIN ERUPTIONS, LASSITUDE, GASTROINTESTINAL 
    DISTRESS, TEETH THAT ARE DISCOLORED OR DECAYED, ODOROUS ("GARLIC") 
    BREATH, PARTIAL LOSS OF HAIR AND NAILS. CHRONIC EXPOSURE BY INHALATION 
    CAN PRODUCE SYMPTOMS THAT INCLUDE PALLOR, COATING OF THE TONGUE, AN- 
    EMIA, IRRITATION OF THE MUCOSA, LUMBAR PAIN, LIVER AND SPLEEN DAMAGE 
    AS WELL AS ANY OF THE OTHER PREVIOUSLY MENTIONED SYMPTOMS. 
  CHRONIC EFFECTS 
    OVEREXPOSURE MAY CAUSE REPRODUCTIVE DISORDER(S) BASED ON TESTS WITH 
    LABORATORY ANIMALS. 
    ANEMIA 
    TARGET ORGAN(S): 
 
                                          Page 2 
             PRODUCT #: 209643       NAME: SELENIUM, PELLETS, <4MM, 99.99+% 
                     MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98 
                         Printed Thursday, March 13, 1903 4:09PM 
 
    CENTRAL NERVOUS SYSTEM 
    LIVER 
    SPLEEN 
    G.I. SYSTEM 
    TEETH 
  RTECS #: VS7700000 
    SELENIUM 
  TOXICITY DATA 
    ORL-RAT LD50:6700 MG/KG                       TXAPA9 20,89,1971 
    IVN-RAT LD50:6 MG/KG                          AMIHBC 4,458,1951 
  TARGET ORGAN DATA 
    SKIN AND APPENDAGES (TUMORS) 
    EFFECTS ON EMBRYO OR FETUS (FETOTOXICITY) 
    EFFECTS ON EMBRYO OR FETUS (FETAL DEATH) 
    TUMORIGENIC (EQUIVOCAL TUMORIGENIC AGENT BY RTECS CRITERIA) 
    ONLY SELECTED REGISTRY OF TOXIC EFFECTS OF CHEMICAL SUBSTANCES 
    (RTECS) DATA IS PRESENTED HERE. SEE ACTUAL ENTRY IN RTECS FOR 
    COMPLETE INFORMATION. 
SECTION 12. - - - - - - - - - ECOLOGICAL INFORMATION - - - - - - - - - - 
    DATA NOT YET AVAILABLE. 
SECTION 13. - - - - - - - - - DISPOSAL CONSIDERATIONS - - - - - - - - - 
    MATERIAL IN THE ELEMENTAL STATE SHOULD BE RECOVERED FOR REUSE OR 
    RECYCLING. 
    OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS. 
SECTION 14. - - - - - - - - - - TRANSPORT INFORMATION - - - - - - - - - 
    CONTACT ALDRICH CHEMICAL COMPANY FOR TRANSPORTATION INFORMATION. 
SECTION 15. - - - - - - - - - REGULATORY INFORMATION - - - - - - - - - - 
  EUROPEAN INFORMATION 
    EC INDEX NO:     034-001-00-2 
    TOXIC 
    R 23/25 
    TOXIC BY INHALATION AND IF SWALLOWED. 
    R 33 
    DANGER OF CUMULATIVE EFFECTS. 
    S 20/21 
    WHEN USING DO NOT EAT, DRINK OR SMOKE. 
    S 28 
    AFTER CONTACT WITH SKIN, WASH IMMEDIATELY WITH PLENTY OF WATER. 
    S 45 
    IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE 
    IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE). 
  REVIEWS, STANDARDS, AND REGULATIONS 
    OEL=MAK 
    ACGIH TLV-TWA 0.2 MG/M3                       DTLVS* TLV/BEI,1996 
    IARC CANCER REVIEW:HUMAN INADEQUATE EVIDENCE IMEMDT 9,245,1975 
    IARC CANCER REVIEW:ANIMAL INADEQUATE EVIDENCE IMEMDT 9,245,1975 
    IARC CANCER REVIEW:GROUP 3                    IMSUDL 7,56,1987 
    MSHA STANDARD-AIR:TWA 0.2 MG(SE)/M3 
     DTLVS* 3,224,1971 
    OSHA PEL (GEN INDU):8H TWA 0.2 MG(SE)/M3 
     CFRGBR 29,1910.1000,1994 
    OSHA PEL (CONSTRUC):8H TWA 0.2 MG(SE)/M3 
     CFRGBR 29,1926.55,1994 
    OSHA PEL (SHIPYARD):8H TWA 0.2 MG(SE)/M3 
     CFRGBR 29,1915.1000,1993 
    OSHA PEL (FED CONT):8H TWA 0.2 MG(SE)/M3 
     CFRGBR 41,50-204.50,1994 
 
                                          Page 3 
             PRODUCT #: 209643       NAME: SELENIUM, PELLETS, <4MM, 99.99+% 
                     MATERIAL SAFETY DATA SHEET, Valid 11/97 - 1/98 
                         Printed Thursday, March 13, 1903 4:09PM 
 
    OEL-ARAB REPUBLIC OF EGYPT:TWA 0.2 MG/M3 JAN 1993 
    OEL-AUSTRALIA:TWA 0.2 MG(SE)/M3 JAN 1993 
    OEL-BELGIUM:TWA 0.2 MG/M3 JAN 1993 
    OEL-DENMARK:TWA 0.1 MG/M3 JAN 1993 
    OEL-FINLAND:TWA 0.1 MG/M3;STEL 0.3 MG/M3 JAN 1993 
    OEL-GERMANY:TWA 0.1 MG/M3 JAN 1993 
    OEL-HUNGARY:STEL 0.1 MG/M3 JAN 1993 
    OEL-THE NETHERLANDS:TWA 0.2 MG/M3 JAN 1993 
    OEL-THE PHILIPPINES:TWA 0.2 MG/M3 JAN 1993 
    OEL-POLAND:TWA 0.1 MG/M3 JAN 1993 
    OEL-SWEDEN:TWA 0.1 MG/M3 JAN 1993 
    OEL-SWITZERLAND:TWA 0.1 MG/M3 JAN 1993 
    OEL-TURKEY:TWA 0.2 MG/M3 JAN 1993 
    OEL-UNITED KINGDOM:TWA 0.1 MG/M3 JAN 1993 
    OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA CHECK ACGIH TLV 
    OEL IN NEW ZEALAND, SINGAPORE, VIETNAM CHECK ACGIH TLV 
    NIOSH REL TO SELENIUM COMPOUNDS (AS SE)-AIR:10H TWA 0.2 MG/M3 
     NIOSH* DHHS #92-100,1992 
    NOHS 1974: HZD 68295; NIS 8; TNF 403; NOS 10; TNE 2147 
    NOES 1983: HZD X2074; NIS 2; TNF 105; NOS 2; TNE 105 
    NOES 1983: HZD 68295; NIS 23; TNF 1102; NOS 68; TNE 27208; TFE 9632 
    ATSDR TOXICOLOGY PROFILE (NTIS** PB/90/182155/AS) 
    EPA TSCA SECTION 8(B) CHEMICAL INVENTORY 
    EPA TSCA SECTION 8(D) UNPUBLISHED HEALTH/SAFETY STUDIES 
    ON EPA IRIS DATABASE 
    EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, APRIL 1997 
    NIOSH ANALYTICAL METHOD, 1994: ELEMENTS BY ICP, 7300 
    OSHA ANALYTICAL METHOD #ID-125G 
  U.S. INFORMATION 
    THIS PRODUCT IS SUBJECT TO SARA SECTION 313 REPORTING REQUIREMENTS. 
SECTION 16. - - - - - - - - - - OTHER INFORMATION- - - - - - - - - - - - 
    THE ABOVE INFORMATION IS BELIEVED TO BE CORRECT BUT DOES NOT PURPORT TO 
    BE ALL INCLUSIVE AND SHALL BE USED ONLY AS A GUIDE. SIGMA, ALDRICH, 
    FLUKA SHALL NOT BE HELD LIABLE FOR ANY DAMAGE RESULTING FROM HANDLING 
    OR FROM CONTACT WITH THE ABOVE PRODUCT. SEE REVERSE SIDE OF INVOICE OR 
    PACKING SLIP FOR ADDITIONAL TERMS AND CONDITIONS OF SALE. 
    COPYRIGHT 1997 SIGMA CHEMICAL CO., ALDRICH CHEMICAL CO., INC., 
    FLUKA CHEMIE AG 
    LICENSE GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY 
 
 
 
 
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