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

MSDS NAME:NICORR CN-99M
NIIN:00-368-5233
MSDS Number: BDXGN
=== Responsible Party ===
Company:NORTHERN INSTRUMENTS CORP
Address:6680 HWY 49N
City:LINO LAKES
State:MN
ZIP:55118
Country:US
Info Phone Num:612-784-1250
Emergency Phone Num:612-784-1250
CAGE:56758
=== Contractor Identification ===
Company:NORTHERN TECHNOLOGIES INTERNATIONAL CORP
Address:6680 HWY 49N
Box:City:SHOREVIEW
State:MN
ZIP:55126
Country:US
Phone:612-784-1250
CAGE:56758

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

Name:DICYCLOHEXYLAMMONIUM NITRITE
CAS:3129-91-7
RTECS #:HY4200000
Fraction by Wt: 99%
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 80MG/KG
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:**POISON** THIS ITEM REDUCES THE
    OXYGEN CARRYING CAPACITY OF BLOOD.MAY CAUSE SKIN AND MUCOUS
    MEMBRANE IRRITATION,HYPERTENSION.CHRONIC:MAY DAMAGE
    LIVER,KIDNEYS,BLOOD FORMING ORGANS AND CENTRAL NERVIOUS  SYSTEM.
Explanation of Carcinogenicity:THERE ARE NO INGREDIENTS ABOVE 0.1%
    WHICH ARE IDENTIFIED AS CARCINOGENS BY NTP,IARC OR OSHA.
Effects of Overexposure:SYSTEMIC EFFECTS:CYANOSIS(BLUISH
    SKIN),HEADACHE,HYPERTENSION.
Medical Cond Aggravated by Exposure:PERSONS WITH HIGH BLOOD PRESSURE
    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.INHAL:REMOVE TO FRESH
    AIR.GIVE OXYGEN OR ARTIFICIAL RESPIRATION IF NEEDED.INGEST:GET
    PROMPT QUALIFIED ME DICAL ATTENTION.IF CONSCIOUS,GIVE WATERAND
    INDUCE VOMITING(AS DIRECTED BY MEDICAL PERSONNEL).

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

Flash Point Method:COC
Flash Point:473F,245C
Extinguishing Media:FLOOD WITH WATER,DRY CHEMICAL,CARBON DIOXIDE,FOAM.
Fire Fighting Procedures:USE A SELF-CONTAINED BREATHING APPARATUS AND
    FULL PROTECTIVE EQUIPMENT.COOL FIRE EXPOSED CONTAINERS WITH WATER
    FOG.
Unusual Fire/Explosion Hazard:**FLAMMABLE SOLID - OXIDIZER** LARGE
    AMOUNTS OF DUST MAY BE EXPLOSIVE.DECOMPOSITION PRODUCTS MAY BE
    TOXIC.

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

Spill Release Procedures:VENTILATE AREA.USE PROPER PROTECTIVE AND
    RESPIRATORY EQUIPMENT.SWEEP UP;DO NOT CREATE DUST;PLACE IN A DRY
    CONTAINER(COVERED BUT NOT SEALED) FOR DISPOSAL.CLEAN SPILL AREA
    WITH WATER.
Neutralizing Agent:NOT APPLICABLE.

======================	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
    HEAT,SPARKS,FLAMES AND ACIDS AND REDUCING AGENTS.
Other Precautions:AVOID SKIN AND EYE CONTACT.DO NOT INHALE DUST.

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

Respiratory Protection:WHERE ENVIRONMENTAL CONTROLS ARE LACKING OR IN
    ENCLOSED SPACES USE A NIOSH/MSHA APPROVED RESPIRATOR FOR DUST AND
    MISTS.
Ventilation:LOCAL VENTILATION AT THE WORKSITE;MECHANICAL(GENERAL)
    VENTILATION TO MAINTAIN TLV/PEL.
Protective Gloves:IMPERVIOUS
Eye Protection:DUST-PROOF GOGGLES
Other Protective Equipment:IMPERVIOUS APRON AND CAP.PROVIDE A LOCAL EYE
    WASH STATION AND SAFETY SHOWER.
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
**FLAMMABLE SOLID/POISON** IATA(TABLE 3.10.1) DOES NOT SPECIFY A
    PRECEDENCE FOR THESE TWO HAZARD CLASSES(4.1/III AND
    6.1/III).SUBSIDIARY HCC CODE=T4(POISON).

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

HCC:F8
Melt/Freeze Pt:M.P/F.P Text:347F,175C
Decomp Temp:Decomp Text:347F,175C
Vapor Pres:10E-5
Spec Gravity:2
Solubility in Water:MODERATE
Appearance and Odor:SOLID;PALE YELLOW;SLIGHT ODOR

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

Stability Indicator/Materials to Avoid:YES
ACIDS,REDUCING AGENTS,OXIDIZING AGENTS.
Stability Condition to Avoid:ELECTROSTATIC CHARGES,HEAT,FLAMES,DUSTY
    CONDITIONS.
Hazardous Decomposition Products:CARBON DIOXIDE,CARBON MONOXIDE,OXIDE
    OF NITROGEN.

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL,STATE AND
    LOCAL REGULATIONS.

 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 ***