FISHER SCIENTIFIC, CHEMICAL DIV. -- HYPOPHOSPHOROUS ACID SOLUTION;A-154 -- 6810-00-264-9084 
=====================  Product Identification  =====================

Product ID:HYPOPHOSPHOROUS ACID SOLUTION;A-154
MSDS Date:08/26/1993
FSC:6810
NIIN:00-264-9084
=== Responsible Party ===
Company Name:FISHER SCIENTIFIC, CHEMICAL DIV.
Address:1 REAGENT LANE
City:FAIR LAWN
State:NJ
ZIP:07410
Country:US
Info Phone Num:201-796-7100 OR 201-796-7523
Emergency Phone Num:201-796-7100/800-424-9300(CHEMTREC)
CAGE:1B464
=== Contractor Identification ===
Company Name:FISHER SCIENTIFIC CO.  CHEMICAL MFG DIV
Address:1 REAGENT LANE
Box:City:FAIRLAWN
State:NJ
ZIP:07410-2802
Country:US
Phone:201-796-7100
CAGE:1B464

=============  Composition/Information on Ingredients  =============

Ingred Name:HYPOPHOSPHORUS ACID
CAS:6303-21-5
Fraction by Wt: 50%
Other REC Limits:NONE RECOMMENDED

Ingred Name:WATER
CAS:7732-18-5
RTECS #:ZC0110000
Fraction by Wt: 50%
Other REC Limits:NONE RECOMMENDED

=====================  Hazards Identification  =====================

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHAL:CORROSIVE VAPORS MAY CAUSE
    RESPIRATORY TRACT IRRITATION.SKIN:CORROSIVE.PROLONGED EXPOSURE MAY
    CAUSE DERMATITIS.EYES.CORROSIVE.MAY CAUSE CORNEAL
    DAMAGE.INGEST:CORROSIVE TO TISSUE.MAY RESULT IN HY POTENSION
Explanation of Carcinogenicity:THERE ARE NO INGREDIENTS ABOVE 0.1%
    WHICH ARE IDENTIFIED AS CARCINOGENS BY NTP,IARC OR OSHA.
Effects of Overexposure:INHAL:SHORTNESS OF BREATH,FROTHY SPUTUM,SORE
    THROAT,COUGHING,CHOKING,HEADACHE,DIZZINESS,WEAKNESS,CYANOSIS,HYPOTE
    NSION,RAPID PULSE.CHRONIC-EROSION OF TOOTH ENAMEL.SKIN:BROWN OR
    YELLOW STAINS ON SKIN,BU RNS.INGEST:BURNING OF MOUTH AND
    PHARNYX,VOMITING,DIARRHEA WITH DARK BLOOD.
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING
    RESPIRATORY AILMENTS MAY BE AT INCREASED RISK FROM EXPOSURE.

=======================  First Aid Measures  =======================

First Aid:SKIN:REMOVE CONTAMINATED CLOTHING;WASH WITH SOAP AND
    WATER.EYES:FLUSH WITH WATER FOR 15 MINUTES;THEN WITH NORMAL SALINE
    UNTIL PH TURNS NEUTRAL(30-60MIN);COVER WITH STERILE
    BANDAGES.INHAL:REMOVE TO FRE SH AIR.GIVE OXYGEN OR ARTIFICIAL
    RESPIRATION IF NEEDED.INGEST:DO NOT INDUCE VOMITING.GET PROMPT
    QUALIFIED MEDICAL ATTENTION.IF CONSCIOUS,GIVE WATER OR MILK.**IN
    ALL CASES,GET MEDIAL ATTENTION**

=====================  Fire Fighting Measures  =====================

Flash Point:NONE
Extinguishing Media:DRY CHEMICAL,CARBON DIOXIDE,WATER SPRAY OR REGULAR
    FOAM.LARGER FIRES USE WATER SPRAY,FOG OR REGULAR FOAM.
Fire Fighting Procedures:USE A SELF-CONTAINED BREATHING APPARATUS AND
    FULL PROTECTIVE EQUIPMENT.COOL FIRE EXPOSED CONTAINERS WITH WATER
    SPRAY.STAY AWAY FROM ENDS OF THE TANKS.
Unusual Fire/Explosion Hazard:CORROSIVE VAPORS.DO NOT USE WATER
    DIRECTLY ON THIS ITEM IF LARGE AMOUNTS OF COMBUSTIBLES ARE
    INVOLVED.USE WATER SPRAY OR FOG IN FLOODING AMOUNTS FROM FAR AWAY.

==================  Accidental Release Measures  ==================

Spill Release Procedures:USE PROPER RESPIRATORY AND PROTECTIVE
    EQUIPMENT.SOAK UP WITH NON-COMBUSTIBLE INERT
    ADSORBANT(EG.CLAY);PLACE COLLECTED MATERIEL IN AN APPROPRIATE
    CONTAINER FOR DISPOSAL;CLEAN SPILL AREA TO REMOVE SLIPP ERINESS.
Neutralizing Agent:SODIUM BICARBONATE.

======================	Handling and Storage  ======================

Handling and Storage Precautions:STORE IN A COOL,DRY,WELL-VENTILATED
    PLACE.KEEP CONTAINER CLOSED WHEN NOT IN USE.KEEP AWAY FROM
    COMBUSTIBLE MATERIALS AND OXIDIZERS.
Other Precautions:NONE

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:WHERE ENVIRONMENTAL CONTROLS ARE LACKING OR IN
    ENCLOSED SPACES USE THE APPROPRIATE NIOSH  ACID GAS RESPIRATOR OR A
    SELF-CONTAINED BREATHING APPARATUS.
Ventilation:LOCAL VENTILATION AT THE WORKSITE;MECHANICAL(GENERAL)
    VENTILATION TO MAINTAIN TLV/PEL.
Protective Gloves:ACID RESISTANT
Eye Protection:SPLASH-PROOF GOGGLES.
Other Protective Equipment:PROVIDE EYE WASH STATION AND SAFETY
    SHOWER.IMPERVIOUS CLOTHING TO PREVENT SKIN CONTACT.
Work Hygienic Practices:WASH HANDS.SEPERATE WORK CLOTHES FROM STREET
    CLOTHES.LAUNDER WORK CLOTHES BEFORE REUSE.KEEP FOOD OUT OF THE WORK
    AREA.
Supplemental Safety and Health
K1=8*10E-2;PH=1.097(SOURCE MERCK#9).

==================  Physical/Chemical Properties  ==================

HCC:C1
Boiling Pt:B.P. Text:226F,108C
Melt/Freeze Pt:M.P/F.P Text:79.7F,26.5C
Spec Gravity:1.3
pH:1.097
Evaporation Rate & Reference:1 ETHER=1
Solubility in Water:MISCIBLE
Appearance and Odor:LIQUID,OILY;COLORLESS;ODORLESS

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
OXIDIZERS,MERCURY(2)NITRATE,MECURY (2)OXIDE.
Stability Condition to Avoid:KEEP AWAY FROM COMBUSTIBLE MATERIALS.
Hazardous Decomposition Products:PHOSPHORIC ACID GAS,PHOSPHINE.

====================  Disposal Considerations  ====================

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL,STATE AND
    LOCAL REGULATIONS.EPA HAZARDOUS WASTE CODE=D002(CORROSIVE).

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