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MSDS for CONGO RED Page 1

1 - PRODUCT IDENTIFICATION

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PRODUCT NAME: CONGO RED

FORMULA: C32H22O6N6S2NA2

FORMULA WT: 696.68

CAS NO.: 00573-58-0

NIOSH/RTECS NO.: QK1400000

COMMON SYNONYMS: SODIUM DIPHENYL-BIS-ALPHA-NAPHTHYLAMINE SULFONATE; DIRECT RED

PRODUCT CODES: F788,F787

EFFECTIVE: 02/06/87

REVISION #02

PRECAUTIONARY LABELLING

BAKER SAF-T-DATA(TM) SYSTEM

HEALTH - 3 SEVERE (CANCER CAUSING)

FLAMMABILITY - 1 SLIGHT

REACTIVITY - 1 SLIGHT

CONTACT - 2 MODERATE

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

WARNING

OVEREXPOSURE MAY CAUSE CANCER RISK

MAY CAUSE ALLERGIC REACTION.

AVOID CONTACT WITH EYES, SKIN, CLOTHING.

KEEP IN TIGHTLY CLOSED CONTAINER. 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.

CONGO RED 90-100 573-58-0

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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): N/A

SPECIFIC GRAVITY: N/A EVAPORATION RATE: N/A

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MSDS for CONGO RED Page 2

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(H2O=1) (BUTYL ACETATE=1)

SOLUBILITY(H2O): APPRECIABLE (MORE THAN 10 %) % VOLATILES BY VOLUME: 0

APPEARANCE & ODOR: BROWN RED, 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

BREATHING APPARATUS WITH FULL FACEPIECE OPERATED IN POSITIVE PRESSURE MODE.

UNUSUAL FIRE & EXPLOSION HAZARDS

DUST MAY FORM EXPLOSIVE MIXTURE WITH AIR.

CONTACT WITH STRONG OXIDIZERS MAY CAUSE FIRE OR EXPLOSION.

TOXIC GASES PRODUCED

AMMONIA, SULFUR DIOXIDE, NITROGEN OXIDES, CARBON MONOXIDE, CARBON DIOXIDE

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5 - HEALTH HAZARD DATA

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CONGO RED MAY BE REASONABLY ANTICIPATED TO BE A CARCINOGEN. THIS

CONCLUSION IS BASED ON CONGO RED BEING A BENZIDINE-BASED DYE AND BENZIDINE

BEING A KNOWN CARCINOGEN.

TOXICITY: LD50 (IV-RAT) (MG/KG) - 190

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

EFFECTS OF OVEREXPOSURE

ALLERGIC REACTION MAY DEVELOP.

TARGET ORGANS

NONE IDENTIFIED

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE

NONE IDENTIFIED

ROUTES OF ENTRY

SKIN CONTACT

EMERGENCY AND FIRST AID PROCEDURES

CALL A PHYSICIAN.

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MSDS for CONGO RED Page 3

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IF SWALLOWED, IF CONSCIOUS, IMMEDIATELY INDUCE VOMITING.

IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL

RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.

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: DUSTING

INCOMPATIBLES: STRONG ACIDS, STRONG OXIDIZING AGENTS,

STRONG REDUCING AGENTS

DECOMPOSITION PRODUCTS: OXIDES OF SULFUR, AMMONIA, OXIDES OF NITROGEN,

CARBON MONOXIDE, CARBON DIOXIDE

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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.

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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, A DUST/MIST RESPIRATOR IS RECOMMENDED.

IF CONCENTRATION EXCEEDS CAPACITY OF RESPIRATOR,

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)

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MSDS for CONGO RED Page 4

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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 CHEMICALS, N.O.S. (NON-REGULATED)

INTERNATIONAL (I.M.O.)

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