=====================  Product Identification  =====================

MSDS NAME:LC17650, NEW METHYLENE BLUE 8, NEW METHYLENE BLUE N
NIIN:00N091794
Status Code:A
MSDS Number: CJPNR
=== Responsible Party ===
Company:LABCHEM INC
Address:200 WILLIAM PITT WAY
City:PITTSBURGH
State:PA
ZIP:15238
Country:US
Info Phone Num:412-826-5230
Emergency Phone Num:412-826-5230
Preparer's Name:A L BERANEK
CAGE:0MX47
=== Contractor Identification ===
Company:LABCHEM,  INC.
Address:200 WILLIAM PITT WAY
Box:City:PITTSBURGH
State:PA
ZIP:15238
Country:US
Phone:412-826-5230
CAGE:0MX47

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

Name:POTASSIUM OXALATE (K2(C2O4)) MONOHYDRATE
CAS:6487-48-5
= Wt:1.6

Name:METHYLENE BLUE N; (NEW METHYLENE BLUE N (INVALID MFR CAS #
    934-16-3))
CAS:61-73-4
RTECS #:SO5600000
= Wt:.5

Name:WATER
CAS:7732-18-5
RTECS #:ZC0110000
Fraction by Wt: BALANCE

=====================  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:ACUTE: POTASSIUM OXALATE,
    MONOHYDRATE-- INHALATION: MAY CAUSE IRRITATION TO NOSE, THROAT,
    MUCOUS MEMBRANES. MAY CAUSE IRRITATION AND BURNS TO EYES AND SKIN.
    INGESTION OF SOLUBLE OXALATES MAY CAUSE SEV ERE INTERNAL PAIN
    FOLLOWED BY COLLAPSE. OXALATES FORM INSOLUBLE CALCIUM OXALATE WHICH
    LEADS TO VIOLENT MUSCULAR STIMULATION AND CONVULSIONS. MAY CAUSE
    DEATH WITHIN MINUTES. CHRONIC: POTASSIUM OXALATE,  MONOHYDRATE--
    PROLONGED SKIN CONTACT MAY CAUSE DERMATITIS. PROLONGED EYE CONTACT
    MAY CAUSE CONJUNCTIVITIS. REPEATED INGESTION MAY LEAD TO (EFTS OF
    OVEREXP)
Explanation of Carcinogenicity:CARCINOGENICITY: NONE CLASSIFIED BY
    OSHA, IARC, NTP.
Effects of Overexposure:HLTH HAZS: ACCUMULATION OF CALCIUM OXALATE. THE
    RESULTING HYPOCALCEMIA PRODUCES SEVERE DISTURBANCES IN THE ACTION
    OF CARDIAC AND NERVOUS TISSUE.

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

First Aid:INHALATION: MOVE FROM EXPOSURE AREA IMMEDIATELY. IF BREATHING
    HAS STOPPED, GIVE ARTF RESP. GET MEDICAL AID AT ONCE. SKIN: REMOVE
    CONTAMINATED CLOTHING. FLUSH SKIN W/LARGE AMTS OF WATER FOR-20
    MINUTES.  GET MEDICAL AID AT ONCE. EYES: FLUSH EYES WITH LARGE
    AMOUNTS OF WATER FOR AT LST 15 MINS. GET MEDICAL AID AT ONCE.
    INGESTION: PRECIPITATE OXALATE BY GIVING CALCIUM IN ANY FORM
    ORALLY, SUCH AS MILK, C ALCIUM GLUCONATE, CALCIUM LACTATE. DO NOT
    USE GASTRIC LAVAGE OR EMESIS IF TISSUE CORROSION HAS OCCURRED. GET
    MEDICAL AID AT ONCE.

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

Extinguishing Media:DRY CHEMICAL, CARBON DIOXIDE, WATER SPRAY, REGULAR
    FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT . AVOID BREATHING VAPORS.
Unusual Fire/Explosion Hazard:AQUEOUS SOLUTION-NEGLIGIBLE FIRE HAZARD
    WHEN EXPOSED TO HEAT OR FLAME.

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

Spill Release Procedures:ABSORB SPILLS WITH ABSORBENT (VERMICULITE) AND
    PLACE IN PLASTIC BAGS FOR LATER DISPOSAL.

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

Handling and Storage Precautions:STORE IN COOL, DRY AREA.

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

Respiratory Protection:ANY NIOSH APPROVED SELF-CONTAINED BREATHING
    APPARATUS WITH FULL FACEPIECE OPERATED IN PRESSURE-DEMAND MODE.
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
    PROTECTIVE CLOTHING.
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN IN THE
    LABORATORY.
Supplemental Safety and Health

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

Boiling Pt:>100.C, 212.F
Melt/Freeze Pt:=0.C, 32.F
Spec Gravity:1.1
pH:NEUTRAL
Solubility in Water:SOLUBLE
Appearance and Odor:DARK, BLUE SOLUTION/ODORLESS.

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

Stability Indicator/Materials to Avoid:YES
NONE REPORTED.
Stability Condition to Avoid:STABLE UNDER NORMAL TEMPERATURES AND
    PRESSURES.
Hazardous Decomposition Products:OR BYPRODUCTS: THERMAL DECOMPOSITION
    MAY PRODUCE TOXIC OXIDES OF CARBON AND POTASSIUM.

===================  Toxicological Information	===================

Toxicological Information:POTASSIUM OXALATE, ANHYDROUS-- 1GM/XG
    ORAL-HUMAN LDLO, NEW METHYLENE BLUE N-- THE TOXICOLOGICAL
    PROPERTIES OF THIS MATERIAL HAVE NOT BEEN FULLY INVESTIGATED.

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

Waste Disposal Methods:DISPOSAL DISPOSE ACCORDING TO FEDERAL, STATE,
    AND LOCAL REGULATIONS.

=======================  Other Information  =======================

 Disclaimer (provided with this information by the compiling agencies):
 This information is formulated for use by elements of the Department
 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.

*** END OF RECORD ***