*  Exposure Controls/Personal Protection  *
Respiratory Protection:WEAR APPROPRIATE NIOSH-APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Other Protective Equipment:WEAR PROTECTIVE CLOTHING.  SAFETY SHOWER AND
    EYE BATH (MEETING ANSI DESIGN CRITERIA - ).
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.  DISCARD
    CONTAMINATED CLOTHING AND SHOES.
Supplemental Safety and Health
    2,4-DINITROPHENYLHYDRAZINE. 2,4-DNPH.
*  Product Identification  *
*  Composition/Information on Ingredients  *
Ingred Name:2,4-DINITROPHENYLHYDRAZINE. (MF: C6H6N4O4,EC NO:
Ingred Name:WATER
*  Hazards Identification  *
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NOOSHA:NO
Health Hazards Acute and Chronic:ACUTE EFFECTS: HARMFUL IF SWALLOWED,
    INHALED, OR ABSORBED THROUGH SKIN. CAUSES EYE AND SKIN IRRITATION.
    MAY CAUSE ALLERGIC SKIN REACTION. ABSORPTION INTO THE BODY LEADS TO
    THE FORMATION OF METHEMOGLOB IN WHICH IN SUFFICIENT CONCENTRATION
    CAUSES CYANOSIS. ONSET MAY BE DELAYED 2 TO 4 HOURS OR LONGER. 
    CHRONIC EFFECTS: LABORATORY EXPERIMENTS HAVE SHOWN MUTAGENIC
    EFFECTS. TO THE BEST OF OUR KNOWLEDGE,  THE CHEMICAL, PHYSICAL, AND
    TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED. 
    LABEL PRECAUTIONARY STATEMENTS: HARMFUL BY INHALATION, IN CONTACT
    WITH SKIN AND IF SWALLOWED. MAY CAUSE (SI GNS AND SYMPTOMS OF
    OVEREXPOSURE)
Effects of Overexposure:HEALTH HAZARDS ACUTE AND CHRONIC (CONT):
    SENSITIZATION BY SKIN CONTACT. IRRITATING TO EYES, RESPIRATORY
    SYSTEM AND SKIN. POSSIBLE MUTAGEN. TARGET ORGAN(S): BLOOD.
*  First Aid Measures  *
First Aid:IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH COPIOUS
    IMMEDIATELY WASH SKIN WITH SOAP AND COPIOUS AMOUNTS OF WATER.  IF
    INHALED, REMOVE  TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICAIAL
    RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.  IF SWALLOWED,
    WASH OUT MOUTH WITH WATER, PROVIDED PERSON IS CONSCIOUS. CALL A
    PHYSICIAN.DISCAR D CONTAMINATED CLOTHING AND SHOES.
*  Fire Fighting Measures  *
Extinguishing Media:WATER SPRAY. CARBON DIOXIDE, DRY CHEMICAL POWDER OR
    APPROPRIATE FOAM.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS (NIOSH
    APPROVED - ) AND PROTECTIVE CLOTHING TO PREVENT CONTACT WITH SKIN
    AND EYES.  FLAMMABLE SOLID.  FIREFIGHTING SHOULD BE DONE FROM A
    REMOTE POSITION.
Unusual Fire/Explosion Hazard:MAY EXPLODE WHEN HEATED. WARNING: THIS
    MATERIAL IS CLASSIFIED AS AN EXPLOSIVE WHEN DRY.
*  Accidental Release Measures  *
Spill Release Procedures:EVACUATE AREA. SHUT OFF ALL SOURCES OF
    IGNITION. WEAR SELF-CONTAINED BREATHING APPARATUS (NIOSH APPROVED -
    AND HOLD FOR WASTE DISP OSAL. AVOID RAISING DUST.
*Handling and Storage  *
Handling and Storage Precautions:USE ONLY IN A CHEMICAL FUME HOOD. USE
    NON-SPARKING TOOLS. DO NOT BREATHE DUST. AVOID PROLONGED OR
    REPEATED EXPOSURE. DO NOT GET IN EYES, ON SKIN, ON CLOTHING. KEEP
    TIGHTLY CLOSED. KEEP AWAY FROM HEAT,  SPARKS, AND OPEN FLAME. NO
    SMOKING. STORE IN A COOL DRY PLACE.
Other Precautions:ADDITIONAL INFORMATION: WARNING: THIS MATERIAL IS
    CLASSIFIED AS AN EXPLOSIVE WHEN DRY. FIREFIGHTING SHOULD BE DONE
*  Physical/Chemical Properties  *
Appearance and Odor:MOIST ORANGE TO BRICK-RED POWDER. NO ODOR SPECIFIED
    BY MFR .
*  Stability and Reactivity Data  *
Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS.
Hazardous Decomposition Products:THERMAL DECOMPOSITION MAY PRODUCE
    CARBON MONOXIDE, CARBON DIOXIDE, AND NITROGEN OXIDES.
*  Toxicological Information*
    SUBSTANCES (RTECS) DATA ISPRESENTED HERE. SEE ACTUAL ENTRY IN
    RTECS FOR COMPLETE INFORMATION.
*  Ecological Information  *
Ecological:DATA NOT YET AVAILABLE.
*  Disposal Considerations  *
Waste Disposal Methods:CONTACT A LICENSED PROFESSIONAL WASTE DISPOSAL
    SERVICE TO DISPOSE OF THIS MATERIAL. OBSERVE ALL FEDERAL, STATE AND
    LOCAL ENVIRONMENTAL REGULATIONS.
*  MSDS Transport Information  *
Transport Information:CONTACT ALDRICH CHEMICAL COMPANY FOR
    TRANSPORTATION INFORMATION.
*  Regulatory Information  *
Federal Regulatory Information:EUROPEAN INFORMATION: HIGHLY FLAMMABLE.
    SOURCES OF IGNITION - NO SMOKING. REVIEW, STANDARDS, AND
    REVERSION-AMES TEST. EPA TSCA SECTION 8(B) CHEMICAL INVENTORY. EPA
    TSCA TEST (STATE REG)
State Regulatory Information:FEDERAL REGULATORY (CONT): SUBMISSION
*  Other Information  *
