PHOSPHORIS ACID -H3PO4

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1 - PRODUCT IDENTIFICATION
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PRODUCT NAME: PHOSPHORIC ACID
FORMULA: H3PO4
FORMULA WT: 98.00
CAS NO.: 7664-38-2
UN/NA UN1805
NIOSH/RTECS NO.: TB6300000
COMMON SYNONYMS: ORTHO-PHOSPHORIC ACID
PRODUCT CODES: 0261,0266,0265,0264,5372,0262,0267,0260,0259
EFFECTIVE: 09/05/86
REVISION #02

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

HEALTH - 2 MODERATE
FLAMMABILITY - 0 NONE
REACTIVITY - 2 MODERATE
CONTACT - 3 SEVERE (CORROSIVE)
HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD).

LABORATORY PROTECTIVE EQUIPMENT

GOGGLES & SHIELD; LAB COAT & APRON; VENT HOOD; PROPER GLOVES

PRECAUTIONARY LABEL STATEMENTS

DANGER
CAUSES BURNS
HARMFUL IF SWALLOWED
DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
AVOID BREATHING VAPOR. KEEP IN TIGHTLY CLOSED CONTAINER. USE WITH ADEQUATE
VENTILATION. WASH THOROUGHLY AFTER HANDLING.

SAF-T-DATA(TM) STORAGE COLOR CODE: WHITE (CORROSIVE)

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2 - HAZARDOUS COMPONENTS
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COMPONENT % CAS NO.

PHOSPHORIC ACID 85-100 7664-38-2

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3 - PHYSICAL DATA
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BOILING POINT: 158 C ( 316 F) VAPOR PRESSURE(MM HG): 2.2

MELTING POINT: 21 C ( 70 F) VAPOR DENSITY(AIR=1): 3.4

SPECIFIC GRAVITY: 1.71 EVAPORATION RATE: N/A

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(H2O=1) (BUTYL ACETATE=1)


SOLUBILITY(H2O): COMPLETE (IN ALL PROPORTIONS) % VOLATILES BY VOLUME: N/A

APPEARANCE & ODOR: COLORLESS,ODORLESS, SYRUPY LIQUID.

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4 - FIRE AND EXPLOSION HAZARD DATA
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FLASH POINT (OPEN CUP N/A NFPA 704M RATING: 2-0-0

FLAMMABLE LIMITS: UPPER - N/A % LOWER - N/A %

FIRE EXTINGUISHING MEDIA
USE WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL OR ORDINARY FOAM.

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
GIVES OFF FLAMMABLE VAPORS. VAPORS MAY FORM EXPLOSIVE MIXTURE WITH AIR.
CLOSED CONTAINERS EXPOSED TO HEAT MAY EXPLODE.

TOXIC GASES PRODUCED
PHOSPHORUS OXIDE

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5 - HEALTH HAZARD DATA
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THRESHOLD LIMIT VALUE (TLV/TWA): 1 MG/M3 ( PPM)

SHORT-TERM EXPOSURE LIMIT (STEL): 3 MG/M3 ( PPM)

PERMISSIBLE EXPOSURE LIMIT (PEL): 1 MG/M3 ( PPM)

TOXICITY: LD50 (ORAL-RAT)(MG/KG) - 1530
LD50 (SKIN-RABBIT)(MG/KG) - 2740

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

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

INHALATION OF VAPORS MAY CAUSE SEVERE IRRITATION OF THE RESPIRATORY SYSTEM.

TARGET ORGANS
RESPIRATORY SYSTEM, EYES, SKIN

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
NONE IDENTIFIED

ROUTES OF ENTRY
INHALATION, INGESTION, EYE CONTACT, SKIN CONTACT

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EMERGENCY AND FIRST AID PROCEDURES
CALL A PHYSICIAN.
IF SWALLOWED, DO NOT INDUCE VOMITING; IF CONSCIOUS, GIVE WATER, MILK, OR
MILK OF MAGNESIA.
IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN WITH PLENTY OF WATER FOR
AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED CLOTHING AND SHOES.
WASH CLOTHING BEFORE RE-USE.

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

INCOMPATIBLES: MOST COMMON METALS, STRONG BASES

DECOMPOSITION PRODUCTS: OXIDES OF PHOSPHORUS

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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. STOP
LEAK IF YOU CAN DO SO WITHOUT RISK. VENTILATE AREA. NEUTRALIZE SPILL WITH
SODA ASH OR LIME. WITH CLEAN SHOVEL, CAREFULLY PLACE MATERIAL INTO CLEAN,
DRY CONTAINER AND COVER; REMOVE FROM AREA. FLUSH SPILL AREA WITH WATER.

J. T. BAKER NEUTRASORB(R) OR NEUTRASOL(R) "LOW NA+" ACID NEUTRALIZERS
ARE RECOMMENDED FOR SPILLS OF THIS PRODUCT.

DISPOSAL PROCEDURE
DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL
ENVIRONMENTAL REGULATIONS.

EPA HAZARDOUS WASTE NUMBER: D002, D003 (CORROSIVE, REACTIVE 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: RESPIRATORY PROTECTION REQUIRED IF AIRBORNE
CONCENTRATION EXCEEDS TLV. AT CONCENTRATIONS UP
TO 12 PPM, A HIGH-EFFICIENCY PARTICULATE
RESPIRATOR IS RECOMMENDED. ABOVE THIS LEVEL, A
SELF-CONTAINED BREATHING APPARATUS IS ADVISED.

EYE/SKIN PROTECTION: SAFETY GOGGLES AND FACE SHIELD, UNIFORM,
PROTECTIVE SUIT, POLYVINYL ALCOHOL GLOVES ARE
RECOMMENDED.

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9 - STORAGE AND HANDLING PRECAUTIONS
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SAF-T-DATA(TM) STORAGE COLOR CODE: WHITE (CORROSIVE)

SPECIAL PRECAUTIONS
KEEP CONTAINER TIGHTLY CLOSED. STORE IN CORROSION-PROOF AREA.

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

PROPER SHIPPING NAME PHOSPHORIC ACID
HAZARD CLASS CORROSIVE MATERIAL (LIQUID)
UN/NA UN1805
LABELS CORROSIVE
REPORTABLE QUANTITY 5000 LBS.

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME PHOSPHORIC ACID
HAZARD CLASS 8
UN/NA UN1805
LABELS CORROSIVE