===================== Product Identification =====================
MSDS NAME:LIQUID NITROGEN
NIIN:01-037-3819
MSDS Number: BQQNJ
=== Responsible Party ===
Company:PRAXAIR, INC
Address:39 OLD RIDGEBURY ROAD
City:DANBURY
State:CT
ZIP:06810-5113
Country:US
CAGE:PRAXA
=== Contractor Identification ===
Company:PRAXAIR, INC
Address:39 OLD RIDGEBURY ROAD
Box:City:DANBURY
State:CT
ZIP:06810-5113
Country:US
CAGE:PRAXA
============= Composition/Information on Ingredients =============
Name:NITROGEN
CAS:7727-37-9
RTECS #:QW9700000
Fraction by Wt: 100%
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9293
===================== Hazards Identification =====================
LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYE CONTACT: NO HARMFUL EFFECT
EXPECTED FROM VAPOR. SKIN CONTACT: NO HARMFUL EFFECT EXPECTED FROM
VAPOR. LIQUID MAY CAUSE FROSTBITE. INHALATION: ASPHYXIANT. MODERATE
CONCENTRATIONS MAY CAUSE HEADACHE, DROWSINESS, DIZZINESS,
EXCITATION, EXCESS SALIVATION, VOMITING AND UNCONSCIOUSNESS. LACK
OF OXYGEN CAN CAUSE DEATH.
Explanation of Carcinogenicity:NONE SPECIFIED BY MANUFACTURER.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.
======================= First Aid Measures =======================
First Aid:EYE CONTACT: IN CASE OF SPLASH CONTAMINATION, IMMEDIATELY
FLUSH EYES THOROUGHLY WITH WATER FOR AT LEAST 15 MINUTES. SEE A
PHYSICIAN IMMEDIATELY. SKIN CONTACT: FOR EXPOSURE TO LIQUID,
IMMEDIATELY WARM FROSTBITE AREA WITH WARM WATER (NOT TO EXCEED
105F). CALL A PHYSICIAN. INHALATION: REMOVE TO FRESH AIR. CALL A
PHYSICIAN. INGESTION: THIS PRODUCT IS A GAS AT NORMAL TEMPERATURE
AND PRESSURE.
===================== Fire Fighting Measures =====================
Flash Point:NONE
Extinguishing Media:NITROGEN CANNOT CATCH FIRE. USE MEDIA APPROPRIATE
FOR SURROUNDING FIRE.
Fire Fighting Procedures:EVACUATE AII PERSONNEL FROM DANGER AREA.
IMMEDIATELY DELUGE CONTAINERS WITH WATER SPRAY FROM MAXIUM DISTANCE
UNTIL COOL, THEN MOVE CONTAINERS AWAY, IF NO RISK.
Unusual Fire/Explosion Hazard:GAS CANNOT CATCH FIRE. CONTAINER MAY
RUPTURE DUE TO HEAT OF FIRE. NO PART OF A CONTAINER SHOULD BE
SUBJECTED TO A TEMPERATURE HIGHER THAN 52C (125F).
================== Accidental Release Measures ==================
Spill Release Procedures:EVACUATE ALL PERSONNEL FROM AFFECTED AREA. USE
APPROPRIATE PROTECTIVE EQUIPMENT. SHUT OFF LEAK IF WITHOUT RISK.
VENTILATE AREA OF LEAK OR MOVE LEAKING CONTAINER TO WELL-VENTILATED
AREA. TEST AREA, ESP ECIALLY CONFINED AREAS, FOR SUFFICIENT OXYGEN.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
====================== Handling and Storage ======================
Handling and Storage Precautions:CAUTION: HIGH PRESSURE GAS. USE PIPING
AND EQUIPMENT ADEQUATELY DESIGNED TO WITHSTAND PRESSURES TO BE
ENCOUNTERED.
Other Precautions:STORE AND USE WITH ADEQUATE VENTILATION. CAN CAUSE
RAPID SUFFOCATION DUE TO OXYGEN DEFICIENCY. CLOSE VALVE WHEN NOT IN
USE AND WHEN EMPTY. NEVER WORK ON A PRESSURIZED SYSTEM. IF THERE IS
A LEAK, CLOSE CYLINDER VALVE, BLOW DOWN BY VENTING.
============= Exposure Controls/Personal Protection =============
Respiratory Protection:NONE REQUIRED UNDER NORMAL USE. HOWEVER, AIR
SUPPLIED RESPIRATORS ARE REQUIRED WHILE WORKING IN CONFINED SPACES
WITH THIS PRODUCT. THE RESPIRATORY PROTECTION USED MUST CONFORM
WITH OSHA RULES.
Ventilation:LOCAL EXHAUST VENTILATION RECOMMENDED.
Protective Gloves:ANY MATERIAL
Eye Protection:APPROVED SAFETY GLASSES
Other Protective Equipment:METATARSAL SHOES FOR CYLINDER HANDLING.
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. USE PROPER CARE WHEN HANDLING AND STORING
CYLINDERS.
Supplemental Safety and Health
SPECIAL STORAGE RECOMMENDATIONS: PROTECT CYLINDERS FROM PHYSICAL
DAMAGE. STORE IN COOL, DRY WELL-VENTILATED AREA AWAY FROM HEAVILY
TRAFFICKED AREAS AND EMERGENCY EXITS. DO NOT ALLOW THE TEMPERATURE
WH ERE CYLINDERS ARE STORED TO EXCEED 125F(52C).
================== Physical/Chemical Properties ==================
HCC:G3
Boiling Pt:B.P. Text:-320F,-196C
Vapor Density:0.967
Spec Gravity:0.808
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS LIQUID
Percent Volatiles by Volume:100
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
UNDER CERTAIN CONDITIONS, NITROGEN CAN REACT VIOLENTLY WITH LITHIUM,
NEODYMIUM, TITANIUM, OZONE.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.
==================== Disposal Considerations ====================
Waste Disposal Methods:SLOWLY RELEASE INTO ATMOSPHERE. DISCARD ANY
PRODUCT, RESIDUE, DISPOSAL CONTAINER OR LINER IN AN ENVIRONMENTALLY
ACCEPTABLE MANNER, IN FULL COMPLIANCE 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.
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