
MSDS - MERCURIC THIOCYANATE

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   1 - PRODUCT IDENTIFICATION
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PRODUCT NAME:     MERCURIC THIOCYANATE
FORMULA:          HG(SCN)2
FORMULA WT:         316.78
CAS NO.:          00592-85-8
NIOSH/RTECS NO.:  XL1550000
COMMON SYNONYMS:  MERCURY(II)THIOCYANATE;  MERCURIC SULFOCYANATE;  MERCURIC
                  SULFOCYANIDE
PRODUCT CODES:    P651
  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       -  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 HEALTH AND CONTACT HAZARDS - READ MATERIAL SAFETY DATA SHEET
                           MAY BE FATAL IF SWALLOWED
                       HARMFUL IF ABSORBED THROUGH SKIN
DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
AVOID BREATHING 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 THIOCYANATE                                     90-100   592-85-8

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   3 - PHYSICAL DATA
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BOILING POINT:    N/A                         VAPOR PRESSURE(MM HG): N/A

MELTING POINT:    N/A                         VAPOR DENSITY(AIR=1):  11

SPECIFIC GRAVITY: N/A                         EVAPORATION RATE:      N/A
   (H2O=1)                                       (BUTYL ACETATE=1)

SOLUBILITY(H2O):     NEGLIGIBLE (LESS THAN 0.1 %)  % VOLATILES BY VOLUME: N/A

APPEARANCE & ODOR:  WHITE, ODORLESS POWDER.

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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
  (POSITIVE PRESSURE IF AVAILABLE) BREATHING APPARATUS WITH FULL FACEPIECE.
  MOVE EXPOSED CONTAINERS FROM FIRE AREA IF IT CAN BE DONE WITHOUT RISK.
  USE WATER TO KEEP FIRE-EXPOSED CONTAINERS COOL.

UNUSUAL FIRE & EXPLOSION HAZARDS
  CLOSED CONTAINERS EXPOSED TO HEAT MAY EXPLODE.

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   5 - HEALTH HAZARD DATA
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THRESHOLD LIMIT VALUE (TLV/TWA):   0.1  MG/M3 (       PPM)

CARCINOGENICITY:  NTP: NO     IARC: NO     Z LIST: NO     OSHA REG: NO

EFFECTS OF OVEREXPOSURE
  CONTACT WITH SKIN OR EYES MAY CAUSE IRRITATION.
  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.
  CHRONIC EFFECTS OF OVEREXPOSURE MAY INCLUDE CENTRAL NERVOUS SYSTEM
  DEPRESSION.
  SKIN ABSORPTION MAY BE HARMFUL OR FATAL.

TARGET ORGANS
  NONE IDENTIFIED

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
  NONE IDENTIFIED

ROUTES OF ENTRY
  NONE INDICATED

EMERGENCY AND FIRST AID PROCEDURES
  CALL A PHYSICIAN.
  IF SWALLOWED, IF CONSCIOUS, IMMEDIATELY INDUCE VOMITING.
  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

CONDITIONS TO AVOID:    HEAT, LIGHT, MOISTURE

INCOMPATIBLES:          STRONG ACIDS

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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 ADEQUATE VENTILATION
                         CONDITIONS EXIST.  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     MERCURIC THIOCYANATE, SOLID
HAZARD CLASS             POISON B
UN/NA                    UN1646
LABELS                   POISON
REPORTABLE QUANTITY      10   LBS.

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME     MERCURY THIOCYANATE
HAZARD CLASS             6.1
UN/NA                    UN1646
LABELS                   POISON

