ALDRICH CHEMICAL CO INC. -- SODIUM SULFIDE NONAHYDRATE, 98% A.C.S. REAG  -- 6810-00-237-2908
<pre>=====================  Product Identification  =====================

Product ID:SODIUM SULFIDE NONAHYDRATE, 98% A.C.S. REAG
MSDS Date:01/08/1991
FSC:6810
NIIN:00-237-2908
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL CO INC.
Address:1001 W. ST. PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414-273-3850  FAX: 414-273-4979
Emergency Phone Num:414-273-3850
CAGE:60928
=== Contractor Identification ===
Company Name:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928

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

Ingred Name:SODIUM SULFIDE, NONAHYDRATE
CAS:1313-84-4
RTECS #:WE1925000
Fraction by Wt: 100%
Other REC Limits:NONE SPECIFIED

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

LD50 LC50 Mixture:LD50 (IP-MUS) IS 53 MG/KG
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:MATERIAL IS EXTREMELY DESTRUCTIVE TO
    TISSUE OF THE MUCOUS MEMBRANES AND UPPER RESPIRATORY TRACT, EYE AND
    SKIN. INHALATION MAY BE FATAL AS A RESULT OF SPASM, INFLAMMATION
    AND EDEMA OF THE LARYNX AND BR ONCHI, CHEMICAL PNEUMONITIS AND
    PULMONARY EDEMA.
Explanation of Carcinogenicity:TO THE BEST OF OUR KNOWLEDGE, THE
    CHEMICAL, PHYSICAL AND TOXILOGOCAL PROPERTIES HAVE NOT BEEN
    THOROUGHLY INVESTIGATED.
Effects of Overexposure:SYMPTOMS OF EXPOSURE MAY INCLUSDE BURNING
    SENSATION, COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF BREATH,
    HEADACHE, NAUSEA AND VOMITING.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN WITH
    COPIOUS AMOUNTS OF WATER FOR AT LEAST 15 MI. WHILE REMOVING
    CONTAMINATED CLOTHING AND SHOES. IF INHALED, REMOVE TO FRESH AIR.
    IF NOT BREATHING G IVE CPR. IF BREATHING IS DIFFICULT GIVEOXYGEN.
    IF SWALLOWED, WASH MOUTTH OUT WITH WATER TO PROVIDED PERSON IS
    CONSCIOUS. CALL A PHYSICAIN.

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

Autoignition Temp:Autoignition Temp Text:UNK
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER,
    ALCOHOL OR POLYMER FOAM.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
    PROTECTIVE CLOTHING TO PREVENT CONTACT WITH SKIN AND EYES.
    FLAMMABLE SOLID.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS,
    RUBBER BOOTS AND HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A BAG AND
    HOLD FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA AND
    WASH SPILL SITE AFTER MATERI AL PICKUP IS COMPLETE.

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

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE. KEEP
    CONTAINERS CLOSED WHEN MATERIAL IS NOT IN USE. KEEP AWAY FROM
    IGNITION SOURCES. AVOID PROLONGED OR REPEATED CONTACT.
Other Precautions:CAUTIOUSLY ADJUST SOLUTION TO PH 7. VIGOROUS
    EVOLUTION OF GAS MAY OCCUR. FILTER ANY SOLIDS FOR BURIAL IN A
    CHEMICAL LANDFILL. PRECIPITATE ANY HEAVY METALS BY ADDITION OF
    SULFIDE & ISOLATE FOR BURIAL.  OBSERVE FEDERAL, STATE AND LOCAL
    LAWS.

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

Respiratory Protection:WEAR APPROPIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT GLOVES.
Eye Protection:SAFETY GLASSES.
Other Protective Equipment:WEAR PROTECTIVE CLOTHING. SAFETY SHOWER AND
    EYE BATH.
Work Hygienic Practices:WASH CONTAMINATED CLOTHING BEFORE REUSE.
    DISCARD CONTAMINATED SHOES.
Supplemental Safety and Health
DO NOT BREATHE DUST. DO NOT GET IN EYES, ON SKIN, ON CLOTHING. AVOID
    PROLONGED OR REPEATED EXPOSURE.

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

HCC:B1
Spec Gravity:1.427
Appearance and Odor:WHITE CRYSTALLINE CHUNKS.

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

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS.
Stability Condition to Avoid:AIR SENSITIVE, LIGHT SENSITIVE.
Hazardous Decomposition Products:SULFUR OXIDES, HYDROGEN SULFIDE GAS.

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

Waste Disposal Methods:TREAT A DILUTE BASIC SOLUTION (PH 10-11) OF THE
    MATERIAL WITH A 50% EXCESS OF COMMERCIAL LAUNDRY BLEACH. CONTROL
    THE PH IF NECESSARY. CONTROL THE TEMPERATURE BY THE ADDITION RATE
    OF BLEACH & ADJUST PH  IF NECESSARY. LET STAND
    OVERNIGHT.**SEEPRECAUT**

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