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MSDS for   BENZOPHENONE                                   Page  1
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   1 - PRODUCT IDENTIFICATION
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PRODUCT NAME:     BENZOPHENONE
FORMULA:          C6H5COC6H5
FORMULA WT:         182.22
CAS NO.:          00119-61-9
NIOSH/RTECS NO.:  DI9950000
COMMON SYNONYMS:  DIPHENYL KETONE;  BENZOYLBENZENE
PRODUCT CODES:    B889
  EFFECTIVE: 10/25/85     
  REVISION #01   

                            PRECAUTIONARY LABELLING
BAKER SAF-T-DATA(TM) SYSTEM

                      HEALTH        -  1  SLIGHT
                      FLAMMABILITY  -  2  MODERATE
                      REACTIVITY    -  0  NONE
                      CONTACT       -  1  SLIGHT
HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD).

LABORATORY PROTECTIVE EQUIPMENT

SAFETY GLASSES; LAB COAT

PRECAUTIONARY LABEL STATEMENTS

                                   WARNING
                              HARMFUL IF INHALED
                                  COMBUSTIBLE
KEEP AWAY FROM HEAT, SPARKS, FLAME.
AVOID BREATHING DUST.  KEEP IN TIGHTLY CLOSED CONTAINER.  USE WITH ADEQUATE
VENTILATION.  IN CASE OF FIRE, SOAK WITH WATER. IN CASE OF SPILL, SWEEP UP AND
REMOVE.  FLUSH SPILL AREA WITH WATER.

SAF-T-DATA(TM) STORAGE COLOR CODE:     RED (FLAMMABLE)

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   2 - HAZARDOUS COMPONENTS
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                          COMPONENT                         %      CAS NO.

BENZOPHENONE                                             90-100   119-61-9

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   3 - PHYSICAL DATA
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BOILING POINT:      305 C (   581 F)          VAPOR PRESSURE(MM HG): N/A

MELTING POINT:       48 C (   118 F)          VAPOR DENSITY(AIR=1):  6.3


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MSDS for   BENZOPHENONE                                   Page  2
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SPECIFIC GRAVITY:  1.11                       EVAPORATION RATE:      N/A
   (H2O=1)                                       (BUTYL ACETATE=1)

SOLUBILITY(H2O):     NEGLIGIBLE (LESS THAN 0.1 %)  % VOLATILES BY VOLUME: 0

APPEARANCE & ODOR:  WHITE CRYSTALLINE POWDER WITH ROSE-LIKE 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 WATER SPRAY.

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.

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   5 - HEALTH HAZARD DATA
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TOXICITY:   LD50 (ORAL-MOUSE)(MG/KG)        -  2895
            LD50 (IPR-MOUSE)(MG/KG)         -  727

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

EFFECTS OF OVEREXPOSURE
  CONTACT WITH SKIN OR EYES MAY CAUSE IRRITATION.

TARGET ORGANS
  NONE IDENTIFIED

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
  NONE IDENTIFIED

ROUTES OF ENTRY
  NONE INDICATED

EMERGENCY AND FIRST AID PROCEDURES
  IF INHALED, REMOVE TO FRESH AIR.  IF NOT BREATHING, GIVE ARTIFICIAL
  RESPIRATION.  IF BREATHING IS DIFFICULT, GIVE OXYGEN.

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   6 - REACTIVITY DATA
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STABILITY:  STABLE                 HAZARDOUS POLYMERIZATION:  WILL NOT OCCUR

CONDITIONS TO AVOID:    NONE DOCUMENTED

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MSDS for   BENZOPHENONE                                   Page  3
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INCOMPATIBLES:          STRONG OXIDIZING AGENTS

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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 SUITABLE PROTECTIVE CLOTHING.  SHUT OFF IGNITION SOURCES; NO FLARES,
  SMOKING, OR FLAMES IN AREA.  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.

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   8 - PROTECTIVE EQUIPMENT
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VENTILATION:             USE ADEQUATE GENERAL OR LOCAL EXHAUST VENTILATION
                         TO KEEP FUME OR DUST LEVELS AS LOW AS POSSIBLE.

RESPIRATORY PROTECTION:  NONE REQUIRED WHERE ADEQUATE VENTILATION
                         CONDITIONS EXIST.  IF AIRBORNE CONCENTRATION IS
                         HIGH, USE AN APPROPRIATE RESPIRATOR OR DUST MASK.

EYE/SKIN PROTECTION:     SAFETY GLASSES WITH SIDESHIELDS, PROPER GLOVES ARE
                         RECOMMENDED.

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   9 - STORAGE AND HANDLING PRECAUTIONS
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SAF-T-DATA(TM) STORAGE COLOR CODE:     RED (FLAMMABLE)

SPECIAL PRECAUTIONS
  KEEP CONTAINER TIGHTLY CLOSED.  STORE IN COOL, DRY, WELL-VENTILATED AREA
  AWAY FROM HEAT, SPARKS, OR FLAME.

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  10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION
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DOMESTIC (D.O.T.)

PROPER SHIPPING NAME     CHEMICALS, N.O.S. (NON-REGULATED)

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME     CHEMICALS, N.O.S. (NON-REGULATED)