SIGMA CHEMICAL -- PICRYLSULFONIC ACID FREE ACID HYDRATE, P587SIGMA CHEMICAL -- PICRYLSULFONIC ACID FREE ACID HYDRATE, P587 
MATERIAL SAFETY DATA SHEET
SIGMA CHEMICALNSN: 681000N020429
Manufacturer's CAGE: 21076 
Part No. Indicator: A 
Part Number/Trade Name: PICRYLSULFONIC ACID FREE ACID HYDRATE, P587 
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                            General Information
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Company's Name: SIGMA CHEMICAL COMPANY 
Company's P. O. Box: 14508 
Company's City: ST. LOUIS 
Company's State: MO 
Company's Zip Code: 63178 
Company's Emerg Ph #: 314-771-5765 
Company's Info Ph #: 800-325-3010 314-771-5750 
Record No. For Safety Entry: 001 
Tot Safety Entries This Stk#: 001 
Status: SMJ 
Date MSDS Prepared: 04MAY88 
Safety Data Review Date: 31JUL95 
MSDS Serial Number: BLLKF 
Hazard Characteristic Code: F7 
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                     Ingredients/Identity Information
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Proprietary: NO 
Ingredient: BENZENESULFONIC ACID, 2,4,6-TRINITRO-
Ingredient Sequence Number: 01 
NIOSH (RTECS) Number: DB8400000 
CAS Number: 2508-19-2 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: NOT APPLICABLE 
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                     Physical/Chemical Characteristics
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Appearance And Odor: NONE SPECIFIED BY MANUFACTURER.
Melting Point: 374F,190C 
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                      Fire and Explosion Hazard Data
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Extinguishing Media: CARBON DIOXIDE, DRY CHEMICAL POWDER, ALCOHOL OR
POLYMER FOAM.
Special Fire Fighting Proc: WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT (FP N) TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire And Expl Hazrds: EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
FLAMMABLE SOLID.
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                              Reactivity Data
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Cond To Avoid (Stability): NONE SPECIFIED BY MANUFACTURER.
Materials To Avoid: STRONG OXIDIZING AGENTS, STRONG BASES.
Hazardous Decomp Products: TOXIC FUMES OF: CARBON MONOXIDE AND CARBON
DIOXIDE. NOX, SOX.
Conditions To Avoid (Poly): NONE SPECIFIED BY MANUFACTURER.
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                            Health Hazard Data
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LD50-LC50 Mixture: NONE SPECIFIED BY MANUFACTURER. 
Route Of Entry - Inhalation: NO 
Route Of Entry - Skin: NO 
Route Of Entry - Ingestion: NO 
Health Haz Acute And Chronic: HARMFUL IF SWALLOWED, INHALED, OR ABSORBED
THRU SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE OF MUCOUS MEMBRANES
AND UPPER RESPIRATORY TRACT, EYES AND SKIN. INHALATION MAY BE FATAL AS
RESULT OF SPASM, INFLAMMATION AND EDEMA OF LARYNX AND BRONCHI, CHEMICAL
PNEUMONITIS AND PULMONARY EDEMA. (SEE EFTS OF OVEREXP)
Carcinogenicity - NTP: NO 
Carcinogenicity - IARC: NO 
Carcinogenicity - OSHA: NO 
Explanation Carcinogenicity: NOT RELEVANT.
Signs/Symptoms Of Overexp: HLTH HAZ: SYMPTOMS OF EXPOSURE MAY INCLUDE
BURNING SENSATION, COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF BREATH,
HEADACHE, NAUSEA AND VOMITING. TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL,
PHYSICAL, AND TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY
INVESTIGATED.
Med Cond Aggravated By Exp: NONE SPECIFIED BY MANUFACTURER.
Emergency/First Aid Proc: EYES: IMMED FLUSH WITH COPIOUS AMOUNTS OF WATER
FOR AT LEAST 15 MIN. ASSURE ADEQUATE FLUSHING OF EYES BY SEPARATING EYELIDS
REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTF RESP. IF BREATHING IS
DIFFICULT, GIVE O2. CALL PHYS. WASH CONTAMINATED CLOTHING BEFORE REUSE.
DISCARD CONTAMINATED SHOES. INGEST: CALL MD IMMED (FP N).
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                   Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: EVACUATE AREA. WEAR SCBA, RUBBER BOOTS AND
HEAVY RUBBER GLOVES. COVER WITH DRY LIME OR SODA ASH, PICKUP, KEEP IN A
CLOSED CONTAINER AND HOLD FOR WASTE DISPOSAL. VENTILATE AREA AND WASH SPILL
SITE AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent: NONE SPECIFIED BY MANUFACTURER.
Waste Disposal Method: DISSOLVE OR MIX MATERIAL WITH COMBUSTIBLE SOLVENT
AND BURN IN A CHEMICAL INCINERATOR EQUIPPED WITH AN AFTERBURNER AND
SCRUBBER. OBSERVE ALL FEDERAL, STATE, AND LOCAL LAWS.
Precautions-Handling/Storing: DO NOT BREATHE DUST. DO NOT GET IN EYES, ON
SKIN, ON CLOTHING. KEEP TIGHTLY CLOSED. KEEP AWAY FROM HEAT/SPARKS/OPEN
FLAME. STORE IN COOL DRY PLACE.
Other Precautions: AVOID PROLONGED OR REPEATED EXPOSURE. CORROSIVE.
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                             Control Measures
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Respiratory Protection: WEAR NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation: USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves: CHEMICAL RESISTANT GLOVES. 
Eye Protection: CHEM WORK GOG & FULL LENGTH FSHLD(FP N). 
Other Protective Equipment: PROTECTIVE CLOTHING. SAFETY SHOWER AND EYE
BATH.
Work Hygienic Practices: WASH THOROUGHLY AFTER HANDLING.
Suppl. Safety & Health Data: NONE SPECIFIED BY MANUFACTURER.
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                            Transportation Data
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Trans Data Review Date:   91361 
DOT PSN Code: GJZ 
DOT Proper Shipping Name: FLAMMABLE SOLIDS, N.O.S.
DOT Class: 4.1 
DOT ID Number: UN1325 
DOT Pack Group: II 
DOT Label: FLAMMABLE SOLID 
IMO PSN Code: HJB 
IMO Proper Shipping Name: FLAMMABLE SOLID, ORGANIC, N.O.S. o
IMO Regulations Page Number: 4146 
IMO UN Number: 1325 
IMO UN Class: 4.1 
IMO Subsidiary Risk Label: - 
IATA PSN Code: MDO 
IATA UN ID Number: 1325 
IATA Proper Shipping Name: FLAMMABLE SOLID, ORGANIC, N.O.S. *
IATA UN Class: 4.1 
IATA Label: FLAMMABLE SOLID 
AFI PSN Code: MDO 
AFI Prop. Shipping Name: FLAMMABLE SOLIDS, ORGANIC, N.O.S.
AFI Class: 4.1 
AFI ID Number: UN1325 
AFI Pack Group: II 
AFI Basic Pac Ref: 8-7 
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                               Disposal Data
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                                Label Data
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Label Required: YES 
Technical Review Date: 29OCT91 
Label Date: 10OCT91 
Label Status: G 
Common Name: PICRYLSULFONIC ACID FREE ACID HYDRATE, P5878 
Chronic Hazard: NO 
Signal Word: DANGER! 
Acute Health Hazard-Severe: X 
Contact Hazard-Severe: X 
Fire Hazard-Moderate: X 
Reactivity Hazard-None: X 
Special Hazard Precautions: FLAMMABLE SOLID. KEEP AWAY FROM HEAT, SPARKS &
OPEN FLAME. KEEP TIGHTLY CLOSED. ACUTE: INHALATION MAY BE FATAL AS A RESULT
OF SPASM, INFLAMMATION AND EDEMA OF THE LARYNX AND BRONCHI, CHEMICAL
PNEUMONITIS AND PULMONARY EDEMA. HARMFUL IF SWALLOWED, INHALED, OR ABSORBED
THROUGH SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE OF THE MUCOUS
MEMBRANES AND UPPER RESPIRATORY TRACT, EYES AND SKIN. DO NOT BREATHE DUST.
DO NOT GET IN EYES, ON SKIN, ON CLOTHING. WASH THOROUGHLY AFTER HANDLING.
CHRONIC: NONE LISTED BY MANUFACTURER.
Protect Eye: Y 
Protect Skin: Y 
Protect Respiratory: Y 
Label Name: SIGMA CHEMICAL COMPANY 
Label P.O. Box: 14508 
Label City: ST. LOUIS 
Label State: MO 
Label Zip Code: 63178 
Label Emergency Number: 314-771-5765