AIR PRODUCTS & CHEMICALS -- HYDROGEN, COMPRESSED - HYDROGEN,HIGH PURITY
MATERIAL SAFETY DATA SHEET NSN: 6830010114102 Manufacturer's CAGE: 00742 Part
No. Indicator: A Part Number/Trade Name: HYDROGEN, COMPRESSED
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General Information
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Name: HYDROGEN,HIGH PURITY Company's Name: AIR PRODUCTS AND CHEMICALS, INC.
Company's Street: 7201 HAMILTON BLVD Company's P. O. Box: 538 Company's City:
ALLENTOWN Company's State: PA Company's Country: US Company's Zip Code:
18195-1501 Company's Emerg Ph #: 800-523-9374/610-481-7711 Company's Info Ph #:
215-481-4911/800-752-1597 Record No. For Safety Entry: 001 Tot Safety Entries
This Stk#: 002 Status: SE Date MSDS Prepared: 01JUN94 Safety Data Review Date:
30OCT95 Supply Item Manager: GSA MSDS Preparer's Name: NK Preparer's Company: (MSDS
#:1009) Preparer's St Or P. O. Box: 538 Preparer's City: ALLENTOWN Preparer's
State: PA Preparer's Zip Code: 18195 MSDS Serial Number: BHFBW Specification
Number: UNKNOWN Spec Type, Grade, Class: NK Hazard Characteristic Code: G2 Unit
Of Issue: CF Unit Of Issue Container Qty: UNKNOWN Type Of Container: CYLINDER
Net Unit Weight: UNKNOWN Net Explosive Weight: NK Coast Guard Ammunition Code:
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Ingredients/Identity Information
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Proprietary: NO Ingredient: HYDROGEN Ingredient Sequence Number: 01 Percent: 100
NIOSH (RTECS) Number: MW8900000 CAS Number: 1333-74-0 OSHA PEL: NOT ESTABLISHED
ACGIH TLV: NOT ESTABLISHED Other Recommended Limit: NONE RECOMMENDED
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Physical/Chemical Characteristics
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Appearance And Odor: FLAMM, OLORLESS, ODORLESS, COMPRESSED GAS PKG IN CYL @HIGH
PRESSURE. Boiling Point: -423F,-253C Melting Point: -435F,-259C Vapor Pressure
(MM Hg/70 F): N/A Specific Gravity: 0.0696@32F/1ATM Solubility In Water: 0.019
VOL/VOL @60F. Viscosity: N/A pH: N/A Radioactivity: NK Autoignition Temperature:
565.5C
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and Explosion Hazard Data
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Flash Point: FLAMMABLE GAS Lower Explosive Limit: 4 Upper Explosive Limit: 74
Extinguishing Media: CO2, DRY CHEMICAL, WATER SPRAY OR FOG FOR SURROUNDING AREA.
DO NOT EXTINGUISH UNTIL HYDROGEN SOURCE IS SHUT OFF. Special Fire Fighting Proc:
EVACUATE PERSONNEL FRM DANGER AREA.IMMED COOL CNTNR W/WATERSPRAY FRM MAX
DISTANCE TAKING CARE NOT TO EXT FLAMES.IF ACCIDENTALLY EXT EXPLO RE-IGN MAY
OCCUR.(SUP) Unusual Fire And Expl Hazrds: BURNS W/PALE BLUE,NEARLY INVISIBLE
FLAM. EASILY IGN W/LOW-IGN ENERGY(STATIC ELECT).LIGHTER THAN AIR;ACCUMULATE IN
UPPER SEC OF ENCLSD SPACES.PRESSURE IN (SUPPLE)
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Reactivity Data
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Stability: YES Cond To Avoid (Stability): PER MSDS:NONE. HOWEVER REMOVE ALL IGN
SOURCES. HANDLE CYLINDERS CAREFULLY. Materials To Avoid: OXIDIZING AGENTS. SOME
STEELS ARE SUSCEPTIBLE TO HYDROGEN EMBRITTLEMENT @HIGH PRESSURES & TEMPS.
NONE. Hazardous Poly Occur: NO Conditions To Avoid (Poly): NOT APPLICABLE
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Health Hazard Data
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LD50-LC50 Mixture: HYDROGEN IS A SIMPLE ASPHYXIANT. Route Of Entry - Inhalation:
YES Route Of Entry - Skin: NO Route Of Entry - Ingestion: NO Health Haz Acute
And Chronic: INHAL:ASPHYXIANT.BEFORE SUFFOCATION COULD OCCUR LOWER FLAMM LIMIT
OF PROD IN AIR WOULD BE EXCEEDED POSSIBLY CAUSING BOTH OXY-DEFICIENT & EXPLO
ATM.EXPO TO MODERATE CONCEN MAY CAUSE DIZZ,HEAD, NAU,UNCONSC.EXPO TO ATM W/8-10%
OR LESS OXY WILL QUICKLY BRING ABOUT UNCONSC W/O WARNING.LACK OF SUFFICIENT OXY
MAY CAUSE (SUPPL) Carcinogenicity - NTP: NO Carcinogenicity - IARC: NO
Carcinogenicity - OSHA: NO Explanation Carcinogenicity: PER MSDS:HYDROGEN IS NOT
LISTED BY NTP/OSHA/ IARC. Signs/Symptoms Of Overexp: EXPOSURE TO AN
OXYGEN-DEFICIENT ATM (<19.5%) MAY CAUSE DIZZINESS, DROWSINESS, NAUSEA,
VOMITING, EXCESS SALIVATION, DIMINISHED MENTAL ALERTNESS, LOSS OF CONSCIOUSNESS,
AND DEATH. Med Cond Aggravated By Exp: NONE. TARGET ORGANS:NONE. Emergency/First
Aid Proc: INHAL:PERSONS SUFFERING FROM LACK OF OXYGEN SHOULD BE REMOVED TO FRESH
AIR. IF VICTIM IS NOT BREATHING, ADMINISTER ARTIFICIAL RESPIRATION. IF BREATHING
IS DIFFICULT, ADMINISTER OXYGEN. OBTAIN PROMPT MEDICAL ATTN. SKIN/EYE/INGEST:NONE.
NOTES TO PHYSICIAN:NONE.
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Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: EVACUATE IMMED.REMOVE POSSIBLE IGN SOURCES.
PROVIDE MAX EXPLO-PROOF VENTI.SHUT OFF SOURCE IF POSSIBLE.IF LEAK FRM CYL/ VALVE
CALL AIR PRODUCTS.PRESENCE OF H2 FLAME CAN BE DETECTED BY APPROACHING CAUT
W/OUTSTRETCHED STRAW BROOM MAKING FLAME VISIBLE. Neutralizing Agent: NOT
APPLICABLE Waste Disposal Method: DON'T ATTEMPT TO DISPOSE OF RESIDUAL/UNUSED
PROD IN CYL.RETURN TO SUPPLIER FOR SAFE DISPOSAL.RESIDUAL PROD W/IN PROCESS SYS
MAY BE VENTED @CONTROLLED RATE TO ATM THRU VENT STACK THAT DISCHARGES TO
ELEVATED PT.STACK IN ISOLATED AREA AWAY FRM IGN SOURC
Precautions-Handling/Storing: NFPA 50A REQMT.STORE CYL UPRIGHT W/VAL PROT CAP IN
PLACE @WELL-PROT WELL-VENTI DRY LOCATION SEPARATED FRM COMBUST MATLS.CYL TEMP
SHOULDN'T REACH >125F Other Precautions: SEPARATE CYL FRM OXY CYL/OXIDIZERS
BY 20FT(MIN)DISTANCE OR BARRIER OF NONCOMBUST MATL @LEAST 5FT HI W/@LEAST 1/2 HR
FIRE RESISTANCE RATING.PROT FRM PHYS DMG.DON'T DRAG/ROLL/DROP-USE
HANDTRUCK.EXPLO PROOF IN STORAGE/USE AREAS (SUPPLEMENT)
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Control Measures
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Respiratory Protection: GENERAL USE:NONE. EMERG USE:AIR SUPPLIED RESPIRATORS ARE
REQUIRED IN OXY-DEFICIENT ATMS.BEFORE ENTERING AREA YOU MUST CHECK FOR FLAMM OR
OXY-DEFICIENT ATMS. Ventilation: PROVIDE NATURAL OR EXPLO-PROOF VENTI ADEQUATE
TO ENSURE HYDROGEN DOESN'T REACH ITS LOWER EXPLO LIMIT OF 4%. Protective Gloves:
WORK GLOVES WHEN HANDLING CYLINDER. Eye Protection: SAFETY GLASSES WHEN HANDLING
CYLINDER. Other Protective Equipment: SAFETY SHOES ARE RECOMMENDED WHEN HANDLING
CYLINDERS. Work Hygienic Practices: NONE SPECIFIED BY MANUFACTURER. Suppl.
Safety & Health Data: FIREFTG:STOP FLOW OF GAS W/O RISK WHILE CONT COOLING
WATERSPRAY. EXPLO/FIRE HAZ:CNTNR CAN BUILDUP DUE TO HEAT;MAY RUPTURE IF PRESSURE
RELIEF DEVICES FAIL TO WORK. HEALTH HAZ:SERIOUS INJURY/ DEATH.EYE/SKIN/CHRONIC:NONE.
OTHER PREC:(NAT ELECT CODE CLASS I HAZ).USE LEAK DETECTION SOLN.DO NOT USE
ADAPTERS.
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Transportation Data
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Trans Data Review Date: 95303 DOT PSN Code: HLR DOT Proper Shipping Name:
HYDROGEN, COMPRESSED DOT Class: 2.1 DOT ID Number: UN1049 DOT Label: FLAMMABLE
GAS DOT/DoD Exemption Number: NK IMO PSN Code: IGH IMO Proper Shipping Name:
HYDROGEN, COMPRESSED IMO Regulations Page Number: 2148 IMO UN Number: 1049 IMO
UN Class: 2(2.1) IMO Subsidiary Risk Label: - IATA PSN Code: NSD IATA UN ID
Number: 1049 IATA Proper Shipping Name: HYDROGEN, COMPRESSED IATA UN Class: 2.1
IATA Label: FLAMMABLE GAS AFI PSN Code: NSD AFI Symbols: 0 AFI Prop. Shipping
Name: HYDROGEN, COMPRESSED AFI Class: 2.1 AFI ID Number: UN1049 AFI Basic Pac
Ref: A6.3,A6.7 MMAC Code: NK N.O.S. Shipping Name: HYDROGEN, COMPRESSED.
Additional Trans Data: PER MSDS:DOT SHIPPING NAME:HYDROGEN, COMPRESSED, HAZ 2.1,
UN 1049, RQ:NONE, LABEL:FLAMM GAS. CYLINDER SHOULD BE TRANSP IN SECURE UPRIGHT
POSITION IN WELL VENTI TRUCK. NEVER TRANSP IN PASSENGER COMPARTMENT OF VEHICLE.
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Disposal Data
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Label Data
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Label Required: YES Technical Review Date: 30OCT94 Label Status: F Common Name:
HYDROGEN, COMPRESSED Chronic Hazard: NO Signal Word: DANGER! Acute Health
Hazard-Severe: X Contact Hazard-None: X Fire Hazard-Severe: X Reactivity
Hazard-None: X Special Hazard Precautions: FLAMM COMPRESSED
GAS.INHAL:ASPHYXIANT.BEFORE SUFFOCATION COULD OCCUR LOWER FLAMM LIMIT OF PROD IN
AIR WOULD BE EXCEEDED POSSIBLY CAUSING BOTH OXY-DEFICIENT & EXPLO ATM.EXPO
TO MODERATE CONCEN MAY CAUSE DIZZ,HEAD,NAU,UNCONSC.EXPO TO ATM W/8-10% OR LESS
OXY WILL QUICKLY BRING ABOUT UNCONSC W/O WARNING.LACK OF SUFFICIENT OXY MAY
CAUSE SERIOUS INJURY OR DEATH.TARGET ORGANS:NONE.1STAID:INHAL:SUFFERING FRM LACK
OF OXY SHOULD BE REMOVED TO FRESH AIR.NOT BREATH ADMINISTER ART RESP.BREATH
DIFFICULT ADMINISTER OXY.GET PROMPT MED ATTN.SKIN/EYE/INGEST:NONE.FIRE:CO2, DRY
CHEM,WATERSPRAY/FOG.DON'T EXTINGUISH TIL HYDROGEN SOURCE IS SHUT OFF. Label
Name: AIR PRODUCTS AND CHEMICALS, INC. Label Street: 7201 HAMILTON BLVD Label
City: ALLENTOWN Label State: PA Label Zip Code: 18195-1501 Label Country: US
Label Emergency Number: 800-523-9374/610-481-7711