===================== Product Identification =====================
MSDS NAME:NITROUS OXIDE - N2O
NIIN:00N081141
Status Code:A
MSDS Number: CJXLK
=== Responsible Party ===
Company:AIRGAS INC
Address:100 MATSONFORD RD SUITE 550
City:RADNOR
State:PA
ZIP:19087
Country:US
Info Phone Num:610-687-5253
Emergency Phone Num:(800)424-9300
Resp. Party Other MSDS Num.:P-0042
Chemtrec Ind/Phone:(800)424-9300
CAGE:0MN39
=== Contractor Identification ===
Company:AIRGAS INC
Address:100 MATSONFORD RD SUITE 550
Box:City:WAYNE
State:PA
ZIP:19087
Country:US
Phone:215-687-5253
CAGE:0MN39
============= Composition/Information on Ingredients =============
Name:NITROUS OXIDE
CAS:10024-97-2
RTECS #:QX1350000
> Wt:99.6
ACGIH TLV:90 MG/M3;50 PPM
Name:IMPURITIES (MAXIMUM)
< Wt:.4
===================== 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:OVEREXP TO NITROUS OXIDE MAY CAUSE
FOLLOWING HLTH EFTS: ACUTE: MOST SIGNIFICANT HAZ ASSOC W/THIS GAS
IS INHAL OF OXYG-DEFICIENT ATMS & EFTS ON CNS. SYMPS OF OXYG
DEFICIENCY OR CNS DEPRESS INCL RESP D FCLTY, RINGING IN EARS, HDCH,
SHORTNESS OF BRTH, WHEEZ, HDCH, DIZZ, INDIGESTION, NAUS, FATG, WEAK
& AT HIGH CONCS, UNCON/DEATH MAY OCCUR. SKIN OF VICTIM OF OVEREXP
MAY HAVE BLUE COLOR. CNTCT W/CRYOGEN IC LIQ OR RAPIDLY EXPANDING
GASES (WHICH ARE RELEASED UNDER HIGH PRESS) MAY CAUSE FROSTBITE.
SYMPS OF FROSTBITE INCL CHG IN SKIN COLOR TO WHITE OR
GRAYISH-YELLOW. PAIN AFTER CNTCT W/LIQ CAN QUICKLY SU BSIDE.
CHRONIC: (EFTS OF OVEREXP)
Effects of Overexposure:HLTH HAZS: OVEREXP TO NITROUS OXIDES HAS PRDCED
INJURY TO NERVOUS SYS. SYMPS OF SUCH OVEREXP INCL NUMB, TINGLING OF
HANDS & LEGS, LOSS OF FEELING IN FINGERS & MUSC WEAK. OTHER EFTS OF
INHAL EXPOS INCL POTNTL REPRO EFTS. EXPOS TO NITROUS OXIDE MAY BE
ASSOC W/INCR IN SPONT ABORTIONS IN HUMANS. SINGLE, PRLNGD EXPOS TO
NITROUS OXIDE HAVE RSLTD IN BONE MARROW DMG & ADVERSE EFTS ON
BLOOD. REFER TO SECTI ON 11 (TOXICOLOGICAL INFO) OF MSDS FOR ADDNL
INFO. CNTCT NEHC FOR SYMPS OF OVEREXP BY ROUTE OF EXPOS .
Medical Cond Aggravated by Exposure:PRE-EXISTING RESPIRATORY
CONDITIONS, CNS DISORDERS, BLOOD & IMMUNE SYSTEM DISORDERS &
PREGNANCIES MAY BE AGGRAVATED OR ADVERSELY EFFECTED BY OVEREXP TO
THIS PROD.
======================= First Aid Measures =======================
First Aid:INGEST:CALL MD IMMED . EYES:IMMED FLUSH EYES W/POTABLE WATER
FOR AT LST 15 MIN. SEEK ASSISTANCE FROM MD . RESCUERS SHOULD NOT
ATTEMPT TO RETRIEVE VICTIMS OF EXPOS TO PROD W/OUT ADEQ PERSON AL
PROT EQUIP. AT MIN, WEAR NIOSH APPRVD SCBA & PERSONAL PROT EQUIP.
REMOVE VICTIM(S) TO FRESH AIR AS QUICKLY AS POSS. TRAINED PERS
SHOULD ADMIN SUPPLEMENTAL OXYG &/OR CPR, IF NEC. ONLY TRAINED PERS
S HOULD ADMIN OXYG. IF CASE OF FROSTBITE, PLACE FROSTBITTEN PART IN
WARM WATER. DO NOT USE HOT WATER. IF WARM WATER IS NOT AVAIL OR IS
IMPRACTICAL TO USE, WRAP AFFECTED PARTS GENTLY IN BLANKETS. ALTERNA
TIVELY, IF FINGERS/HANDS ARE (SUPDAT)
===================== Fire Fighting Measures =====================
Extinguishing Media:NON-FLAMMABLE GAS. USE EXTING MEDIA APPROP FOR
SURROUNDING FIRE. IN EVENT OF FIRE, COOL CNTNRS OF PROD W/WATER TO
PVNT FAILURE. USE WATER SPRAY/FOG TO REDUCE OR DIRECT VAPORS.
Fire Fighting Procedures:USE NIOSH APPRVD SCBA & FULL PROT EQUIP . IF
CYLS EXPOSED TO HEAT, CYL MAY RUPTURE/BURST & RELS CONTENTS. IT MAY
BE PRUDENT TO REMOVE POTENTIALLY HEAT-EXPOSED CYLS FROM AREA
SURROUNDING FIRE, IF IT IS SAFE FOR FIRE FIGHTERS TO DO SO. NFPA
RATING: HEALTH 1, FLAM 0; REACTIVITY 0; OTHER OX.
Unusual Fire/Explosion Hazard:NITROUS OXIDE DOES NOT BURN; HOWEVER,
CNTNRS WHEN INVOLVED IN FIRE, MAY RUPTURE/BURST IN HEAT OF FIRE.
ADDNLY, AT TEMPS >200C OR WHEN INVOLVED IN FIRE, NITROUS OXIDE IS
OXIDIZER. AT ELEVATED TEMPS, PR OD CAN ACT TO INITIATE & SUSTAIN
COMBUST OF COMBUSTIBLE MATLS. AT ELEVATED TEMPS, NITROUS OXIDE WILL
(FED REG INFO)
================== Accidental Release Measures ==================
Spill Release Procedures:UNCONTROLLED REL: TRAINED PERS USING
PRE-PLANNED PROCS SHOULD RESPOND USING PROPER PROT EQUIP. IN CASE
OF SPILL: CLEAR AFFECTED AREA, PROTECT PEOPLE & RESPOND W/TRAINED
PERS. MAX PERSONAL PROT EQUIP-L EVEL B: PROT CLTHG, MECH-RESIST
GLOVES & NIOSH APPRVD SCBA. LOCATE & SEAL SOURCE OF LEAKING GAS.
ALLOW GAS TO DISSIPATE. MONITOR SURROUNDING AREA FOR OXYG LEVELS &
LEVEL OF (OTHER INFO)
====================== Handling and Storage ======================
Handling and Storage Precautions:THIS IS LIQUEFIED, OXIDIZING GAS,
STORED UNDER PRESS. USE PIPING & EQUIP ADEQ DESIGNED TO W/STAND
PRESS TO BE ENCOUNTERED. STORE & USE W/ADEQ VENT AT ALL TIMES.
STORE AWAY FROM FLAM MATLS. STORE CYLS IN DRY, WELL-VENTD AREAS
AWAY FROM HEAT SOURCES. COMPRESSED GASES CAN PRESENT (TRANSPORT
INFO)
Other Precautions:SPEC PRECS FOR HNDLG GAS CYLS: PROTECT CYLS AGAINST
PHYSICAL DMG. STORE IN COOL, DRY, WELL-VENTD, FIREPROOF AREA, AWAY
FROM FLAM MATLS & CORR ATMS. STORE AWAY FROM HEAT & IGNIT SOURCES &
OUT OF DIRECT SUN. DO NOT STORE NEAR ELEVATORS, CORRIDORS OR
LOADING DOCKS. DO NOT ALLOW AREA WHERE CYLS STORED ( SARA REG INFO)
============= Exposure Controls/Personal Protection =============
Respiratory Protection:MAINTAIN OXYGEN LEVELS ABOVE 19.5% IN WORKPLACE
& BELOW EXPOS LIMITS LISTED IN SECTION 2. USE NIOSH APPRVD SUPPLIED
AIR RESP PROT IF OXYGEN LEVELS ARE BELOW 19.5% OR DURING EMER
RESPONSE TO RELS OF PR OD. IF RESP PROT REQD, FOLLOW REQS OF FED
OSHA RESP PROT STD (29 CFR 1910.134) OR EQUIVALENT STATE STDS.
Ventilation:USE W/ADEQ VENT. LOC EXHST VENT PREF BECAUSE IT PVNTS
NITROUS OXIDE DISPERSION INTO WORPLACE BY ELIMINATING IT AT ITS
SOURCE. IF APPROP, INSTALL(STATE REG INFO)
Protective Gloves:MECH-RESIST GLOVES. LOW TEMP PROT GLOVES (IE KEVLAR)
WHERE SPLASHES MAY OCCUR.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES AND FULL LENGTH
FACESHIELD .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER . BODY
PROT APPROP FOR TASK. TRANSFER OF LG QTYS UNDER PRESS MAY REQ PROT
EQUIP TO PROTECT EMPLOYEES FROM SPLASHES & SUFFICIENT INSULATION
FROM EXTREME COLD.
Work Hygienic Practices:AS W/ALL CHEMS, AVOID GETTING PROD IN YOU. DO
NOT EAT OR DRINK WHILE HNDLG CHEMS. BE AWARE OF ANY SIGNS OF DIZZ
OR FATIGUE; EXPOS TO FATAL CONCS OF PROD COULD OCCUR W/OUT ANY
SIGNIFICANT WARNING SYMPS.
Supplemental Safety and Health
FIRST AID PROC:FROSTBITTEN, PLACE AFFECTED AREA IN ARMPIT. ENCOURAGE
VICTIM TO GENTLY EXERCISE AFFECTED PART WHILE BEING WARMED. SEEK
IMMED MED ATTN. TAKE VICTIM FOR MED ATTN; TAKE RESCUERS IF NEC. TA
KE COPY OF LABEL & MSDS TO MD/OTHER HLTH PROFESSIONAL W/VICTIM.
RECOM TO MD:PROVIDE OXYG; TREAT SYMPS & REDUCE OVEREXP.
================== Physical/Chemical Properties ==================
Boiling Pt:=-88.5C, -127.3F
Melt/Freeze Pt:=-90.8C, -131.4F
Vapor Pres:759.7 PSIA
Vapor Density:1.812KG/M3
Spec Gravity:8.7
Solubility in Water:SLIGHTLY
Appearance and Odor:COLORLESS GAS OR COLORLESS, CRYOGENIC LIQUID;
LIQUID & GAS HAVE SWEET ODOR.
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
FLAM MATLS, OILS, GREASE, ALKALI METALS, ALUMINUM, BORON, TIN OXIDE,
LITHIUM HYDRIDE TUNGSTEN CARBIDE. NITROUS OXIDE FORMS EXPLO MIXS
W/PHOSPHINE, AMMONIA, CO, HDYROGEN SULFIDE, HYDROGEN & ACETYLENE.
DECOMPOSES EXPLO AT HIG
Stability Condition to Avoid:AVOID CONTACT WITH INCOMPATIBLE MATERIALS.
CYLINDERS EXPOSED TO HIGH TEMPERATURES OR DIRECT FLAME CAN RUPTURE
OR BURST.
Hazardous Decomposition Products:NITROGEN AND OXYGEN.
=================== Toxicological Information ===================
Toxicological Information:EPIDEMIOLOGICAL STUDIES SUGGEST FETO-TOX EFTS
& HIGHER RATES OF SPONT ABORTIONS IN PERS OVEREXP TO NITROUS OXIDE.
ALTHOUGH DEFINITE CASUAL RELATIONSHIP BETWEEN NITROUS OXIDES EXPOS
& REPRO PROBS HAS N OT BEEN ESTABLISHED, EXPOS TO GAS SHOULD BE
MINIMIZED. ADDNL INFO ON EFTS OF PROD ON HUMAN REPRO SYS: NOT
EXPECTED TO CAUSE MUTAGENIC EFTS IN HUMANS. REPORTED TO CAUSE
EMBRYOTOX EFTS IN LAB ANIMALS. M AY CAUSE TERATOGENIC EFTS IN
HUMANS. EXPOS TO NITROUS OXIDE HAS CAUSED EMBRYO & FETAL TOX EFTS
IN LAB ANIMALS. MAY CAUSE ADVERSE REPRO EFTS IN HUMANS. CONTACT
NEHC FOR MORE INFO .
===================== Ecological Information =====================
Ecological:GAS WILL BE DISSIPATED RAPIDLY IN WELL-VENTD AREAS. ANY
ADVERSE EFT ON ANIMALS WOULD BE RELATED TO OXYG DEFICIENT
ENVIRONMENTS, EFTS ON CNS & POTNTL REPRO PROBS. SYMPS OF EXPOS
WOULD BE SIMILAR FOR TH OSE DESCRIBED FOR HUMANS. NO ADVERSE EFT
ANTIC TO OCCUR TO PLANT-LIFE EXCEPT FOR FROST PRDCED IN PRESENCE OF
RAPIDLY EXPANDING GASES. NO EVID CURRENTLY AVAIL ON PROD'S EFTS ON
AQ LIFE. THIS GAS IS ONL Y SLIGHTLY SOL IN WATER. OTHER INFO: TO
RELS IN-PLACE/REMOVE IT TO SAFE AREA & ALLOW GAS TO BE RELEASED
THERE. CNTCT NEHC FOR INFO ON RESPONSE TO CRYOGENIC RELEASE .
==================== Disposal Considerations ====================
Waste Disposal Methods:WASTE DISPOSAL MUST BE MADE IN ACCORDANCE WITH
APPROPRIATE FEDERAL, STATE AND LOCAL REGULATIONS. RETURN CYLINDERS
WITH ANY RESIDUAL PRODUCT TO AIRGAS. DO NOT DISPOSE OF LOCALLY.
=================== MSDS Transport Information ===================
Transport Information:MATL IS HAZ AS DEFINED BY 49 CFR 172.101 BY US
DOT & CONSIDERED DANGEROUS GOODS BY CANADA. NITROUS OXIDE GAS -
PROPER SHIPPING NAME: NITROUS OXIDE, COMPRESSED. HAZ CLASS # &
DESCRIPTION: 2.2 (NON-FLAM GAS). UN IDENTIFICATION #: UN 1070.
PACKING GROUP: N/A. DOT LABEL(S) AS REQD: NON-FLAM GAS, OXIDIZER.
NORTH AMERICAN EMER RESPONSE GUIDEBOOK # (1996): 122. CANUTEC EMER
RESPONSE GUIDE #: 10. NITROUS OXIDE IS NOT CLASSIFIED BY DOT AS
MARINE POLLUTANT. CNTCT NEHC FOR MORE INFO . HNDLG/STOR PRECS:
SIGNIFICANT SFTY HAZS. STORE CNTNRS AWAY FROM HEAVY TRAFFIC AREAS &
EMER EXITS. POST "NO SMKNG/OP EN FLAMES" SIGNS.
===================== Regulatory Information =====================
SARA Title III Information:NITROUS OXIDE: SUBJECT TO REPORTING REQS OF:
SARA 302-NO; 304-NO; 313-NO. SARA THRESHOLD PLANNING QTY: N/A.
OTHER PRECS: TO EXCEED 52C(125F). USE ONLY STOR CNTNRS & EQUIP
DESIGNED TO STOR LIQ NITROUS OXIDE. DO NOT STORE CNTNRS WHERE THEY
COME INTO CNTCT W/MOISTURE. STORE CYLS UPRIGHT & FIRMLY SECURED TO
PVNT FALL/BEING KNOCKED OVER. STORE CYLS IN OPEN, BUT PROTECT
AGAINST EXTREMES OF WEATHER & FRO M DAMPNESS OF GROUND TO PVNT
RUSTING. NEVER TAMPER W/PRESS RELIEF DEVICES IN VALVES & CYLS.
CNTCT NEHC FOR INFO ON RULES THAT ARE APPLIC TO SITUATIONS IN WHICH
CYLS ARE BEING USED.
Federal Regulatory Information:NITROUS OXIDE IS LISTED ON TSCA
INVENTORY. CERCLA REPORTABLE QUANTITIES (RQ): NOT APPLIC. OTHER FED
REGS: NOT APPLIC. CONTACT NEHC FOR LABELING FOR COMPRESSED GAS &
FOR LIQ. EXPLO HAZ: DECOMPOSE TO NI TROGEN & OXYG. CRYOGENIC LIQS
CAN BE DANGEROUS DURING FIRES BECAUSE OF POTNTL TO RAPIDLY FREEZE
WATER. CARELESS USE OF WATER MAY CAUSE HEAVY ICING. RELATIVELY WARM
WATER GREATLY INCRS EVAP RATE OF NIT ROUS OXIDE. IF LG CONCS OF
NITROUS OXIDE GAS PRESENT, WATER VAP IN SORROUNDING AIR WILL
CONDENSE CRE ATING DENSE FOG THAT MAY MAKE IT DFCLT TO FIND FIRE
EXITS/EQUIP. LIQ NITROUS OXIDE, WHEN EXPOS TO ATM, WILL PRDCE CLOUD
OF (STATE REG INFO)
State Regulatory Information:NITROUS OXIDE IS NOT ON CA PROP 65 LISTS.
CA PEL FOR CHEM CONTAMINANTS: NITROUS OXIDE. IL-TOX SUSBTANCE
LIST:NITROUS OXIDE. MN LIST OF HAZ SUBSTANCES: NITROUS OXIDE. NJ
RIGHT TO KNOW HAZ SUBSTANCE LIS T: NITROUS OXIDE. CNTCT NEHC FOR
MORE INFO . FED REG INFO: ICE/FOG IN AIR UPON ITS RELS. VENT:
AUTOMATIC MONITORING EQUIP TO DETECT LEVEL OF OXYG OR NITROUS
OXIDE. MATLS TO AVOID: PRODUCING NITR OGEN & OXYG; RXN WILL OCCUR
AT LOWER TEMPS IN PRESENCE OF CATALYTIC SURFS. MIXS OF NITROUS
OXIDE & S ILANE ARE STABLE BUT SUCH MIXS WILL DETONATE EXPLO WHEN
EXPOS TO ATM/ELEVATED TEMPS. CNTCT NEHC FOR MORE INFO .
======================= 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.
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