PRAXAIR, INC. -- HYDROGEN
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Material Safety Data Sheet
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MSDS Num: CKVYS
MSDS NAME: HYDROGEN
Responsible Party
Name: PRAXAIR, INC.
Address: 39 OLD RIDGEBURY RD
City: DANBURY CT 06810-5113
Info Phone: 800-PRAXAIR/800-645-4633
Emergency Phone Number: 800-645-4633
Resp. Party Other MSDS No.: P-4604-D
Preparer's Name: NOT PROVIDED
Chemtrec IND/Phone: (800)424-9300
Review Ind: Y
Published: Y
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Contractor Summary
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Name: PRAXAIR, INC.
Address: 39 OLD RIDGEBURY RD
City: DANBURY CT 06810-5113
Phone: 800-772-9247; 800-PRAXAIR
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Ingredients
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Cas: 1333-74-0
RTECS #: MW8900000
Name: HYDROGEN
> Wt: 99.
Other REC Limits: NOT PROVIDED
OSHA PEL: NONE ESTABLISHED
ACGIH TLV: SIMPLE ASPHYXIANT
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Health Hazards Data
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LD50 LC50 Mixture: NOT PROVIDED
Carcinogenicity Inds - NTP: NO
IARC: NO
OSHA: NO
Effects of Exposure: EFFECTS OF A SINGLE (ACUTE) OVEREXPOSURE:
INHALATION?ASPHYXIANT. EFFECTS ARE DUE TO LACK OF OXYGEN. MODERATE
CONCENTRATIONS MAY CAUSE HEADACHE, DROWSINESS, DIZZINESS, EXCITATION, EXCESS
SALIVATION, VO MITING, AND UNCONSCIOUSNESS. LACK OF OXYGEN CAN KILL. SKIN
CONTACT?NO HARM EXPECTED. SWALLOWING?AN UNLIKELY ROUTE OF EXPOSURE; THIS
PRODUCT IS A GAS AT NORMAL TEMPERATURE AND PRESSURE. EYE CONTACT?NO HARM
EXPECTED. EFFECTS OF REPEATED (CHRONIC) OVEREXPOSURE: NO HARM EXPECTED. OTHER
EFFECTS OF OVEREXPOSURE: HYDROGEN IS AN ASPHYXIANT. LACK OF OXYGEN CAN KILL.
Explanation Of Carcinogenicity: THIS PRODUCT IS NOT LISTED BY NTP, OSHA, OR
IARC.
Signs And Symptions Of Overexposure: NOT PROVIDED
Medical Cond Aggravated By Exposure: THE TOXICOLOGY AND THE PHYSICAL AND
CHEMICAL PROPERTIES OF HYDROGEN SUGGEST THAT OVEREXPOSURE IS UNLIKELY TO
AGGRAVATE EXISTING MEDICAL CONDITIONS.
First Aid: INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL
RESPIRATION. IF BREATHING IS DIFFICULT, QUALIFIED PERSONNEL MAY GIVE OXYGEN.
CALL A PHYSICIAN. SKIN CONTACT: WASH WITH SOAP AND WATER . IF IRRITATION
PERSISTS, SEEK MEDICAL ATTENTION. SWALLOWING: AN UNLIKELY ROUTE OF EXPOSURE.
THIS PRODUCT IS A GAS AT NORMAL TEMPERATURE AND PRESSURE. EYE CONTACT: FLUSH
EYES THOROUGHLY WITH WATER FO R AT LEAST 15 MINUTES. HOLD THE EYELIDS OPEN
AND AWAY FROM THE EYEBALLS TO ENSURE THAT ALL SURFACES ARE FLUSHED
THOROUGHLY. SEE A PHYSICIAN, PREFERABLY AN OPHTHALMOLOGIST, IMMEDIATELY.
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Handling and Disposal
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Spill Release Procedures: DANGER! FLAMMABLE. HIGH-PRESSURE GAS. FORMS EXPLOSIVE
MIXTURES WITH AIR. IMMEDIATELY EVACUATE PERSONNEL. USE SELF-CONTAINED
BREATHING APPARATUS. REMOVE SOURCES OF IGNITION IF WITHOUT RISK. REDUCE GAS
WITH FOG/FINE WATER SPRAY. SHUT OFF FLOW IF WITHOUT RISK. VENTILATE AREA/MOVE
CYLINDER TO A WELL-VENTILATED AREA. MAY SPREAD FROM LEAK. BEFORE ENTERING,
CHECK ATMOSPHERE WITH AN APPROPRIATE DEVICE.
Neutralizing Agent: NOT RELEVANT
Waste Disposal Methods: PREVENTING WASTE FROM CONTAMINATING THE SURROUNDING
ENVIRONMENT. KEEP PERSONNEL AWAY. DISCARD ANY PRODUCT, RESIDUE, DISPOSABLE
CONTAINER OR LINER IN AN ENVIRONMENTALLY ACCEPTABLE MANNER, IN FULL COMPL
IANCE WITH FEDERAL, STATE AND LOCAL REGULATIONS. DO NOT ATTEMPT TO DISPOSE OF
RESIDUAL OR UNUSED QUA NTITIES. RETURN CYLINDER TO SUPPLIER.
Handling And Storage Precautions: STORE AND USE WITH ADEQUATE VENTILATION.
SEPARATE FROM OXYGEN, CHLORINE, OXIDIZERS BY AT LEAST 20 FT/USE A BARRICADE
OF NONCOMBUSTIBLE MATERIAL. SECURE CYLINDERS UPRIGHT. THERE MUST BE NO
SOURCES OF I GNITION. STORE BELOW 125F (52C). USE A FIRST-IN, FIRST-OUT
INVENTORY SYSTEM. PROTECT CYLINDERS.
Other Precautions: USE HAND TRUCK TO MOVE CYLINDERS; DO NOT DRAG, ROLL, SLIDE,
OR DROP. MAY LEAK OUT OF SYSTEMS THAT ARE AIR-TIGHT FOR OTHER GASES AND MAY
COLLECT IN POORLY VENTILATED UPPER REACHES OF BUILDINGS. EQUIPME NT MUST BE
GROUNDED AND NON-SPARKING/EXPLOSION-PROOF. LEAK CHECK SYSTEM WITH SOAPY
WATER. OPEN VALVE SLOWLY.
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Fire and Explosion Hazard Information
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Flash Point Text: FLAMMABLE GAS
Autoignition Temp: =500.C, 932.F
Lower Limits: 4%
Upper Limits: 75%
Extinguishing Media: CO2, DRY CHEMICAL, WATER SPRAY, OR FOG.
Fire Fighting Procedures: DANGER! FLAMMABLE GAS. EVACUATE PERSONNEL FROM AREA.
IMMEDIATELY DELUGE CYLINDERS WITH WATER FROM MAXIMUM DISTANCE UNTIL COOL,
THEN MOVE THEM AWAY FROM FIRE AREA IF WITHOUT RISK. DO NOT EXTINGUISH FLA MES
EMITTED FROM CYLINDERS; ALLOW THEM TO BURN OUT. SELF-CONTAINED BREATHING
APPARATUS MAY BE REQUIRED BY RESCUE WORKERS
Unusual Fire/Explosion Hazard: FLAME IS NEARLY INVISIBLE. ESCAPING GAS MAY
IGNITE SPONTANEOUSLY. HYDROGEN HAS A LOW IGNITION ENERGY. FIREBALL FORMS IF
GAS CLOUD IGNITES IMMEDIATELY AFTER RELEASE. FORMS EXPLOSIVE MIXTURES WITH
AIR. HEAT OF FIRE CAN BUILD PRESSURE IN CYLINDER AND CAUSE IT TO RUPTURE.
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Control Measures
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Respiratory Protection: NONE REQUIRED UNDER NORMAL USE. AN AIR-SUPPLIED
RESPIRATOR MUST BE USED IN CONFINED SPACES. RESPIRATORY PROTECTION MUST
CONFORM TO OSHA RULES AS SPECIFIED IN 29 CFR 1910.134.
Ventilation: AN EXPLOSION-PROOF LOCAL EXHAUST SYSTEM IS ACCEPTABLE. USE ONLY IN
A CLOSED SYSTEM. MECHANICAL (GENERAL)?INADEQUATE.
Protective Gloves: WEAR WORK GLOVES FOR CYLINDER HANDLING.
Eye Protection: SELECT IN ACCORDANCE WITH OSHA 29 CFR 1910.133.
Other Protective Equipment: METATARSAL SHOES FOR CYLINDER HANDLING. SELECT IN
ACCORDANCE WITH OSHA 29 CFR 1910.132 AND 1910.133. REGARDLESS OF PROTECTIVE
EQUIPMENT, NEVER TOUCH LIVE ELECTRICAL PARTS.
Work Hygienic Practices: NOT PROVIDED
Supplemental Safety and Health: NOTES TO PHYSICIAN: THERE IS NO SPECIFIC
ANTIDOTE. TREATMENT OF OVEREXPOSURE SHOULD BE DIRECTED AT THE CONTROL OF
SYMPTOMS AND THE CLINICAL CONDITION OF THE PATIENT. ABBREVIATION: N/A=NOT
APPLICABLE O R NOT AVAILABLE. N/K=UNKNOWN. N/P=NOT PROVIDED. N/R=NOT
RELEVANT. N/D=NOT DETERMINED. N/E=NOT ESTABLISHED.
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Physical/Chemical Properties
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HCC: G2
NRC/State LIC No: NOT RELEVANT
Boiling Point: =-252.6C, -423.F
Melt/Freeze Pt: =-259.2C, -434.4F
Decomp Text: NOT PROVIDED
Vapor Density: 0.06960
Spec Gravity: 0.00521 LB/FT3
Solubility in Water: 0.019% @ 60F
Appearance and Odor: COLORLESS, ODORLESS, TASTELESS GAS AT NORMAL TEMPERATURE
AND PRESSURE.
Percent Volatiles by Volume: 100
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Reactivity Data
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Stability Indicator: YES
Stability Condition To Avoid: NONE KNOWN
Materials To Avoid: OXIDIZING AGENTS, LITHIUM, HALOGENS
Hazardous Decomposition Products: NONE
Hazardous Polymerization Indicator: NO
Conditions To Avoid Polymerization: NONE
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Toxicological Information
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Toxicological Information: HYDROGEN IS A SIMPLE ASPHYXIANT.
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Ecological Information
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Ecological: NO ADVERSE ECOLOGICAL EFFECTS EXPECTED. HYDROGEN DOES NOT CONTAIN
ANY CLASS I OR CLASS II OZONE-DEPLETING CHEMICALS. HYDROGEN IS NOT LISTED AS
A MARINE POLLUTANT BY DOT.
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MSDS Transport Information
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Regulatory Information
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Sara Title III Information: CERCLA: COMPREHENSIVE ENVIRONMENTAL RESPONSE,
COMPENSATION, AND LIABILITY ACT OF 1980 (40 CFR PARTS 117 AND 302):
REPORTABLE QUANTITY (RQ): NONE. SARA: SUPERFUND AMENDMENT AND REAUTHORIZATION
ACT: SEC TIONS 302/304: REQUIRE EMERGENCY PLANNING BASED ON THRESHOLD
PLANNING QUANTITY (TPQ) AND RQ OF EXTREMELY HAZARDOUS SUBSTANCES (40 CFR PART
355): TPQ: NONE. RQ: NONE. SECTIONS 311/312: REQUIRE SUBMISSI ON OF MSDSS AND
REPORTING OF CHEMICAL INVENTORIES WITH IDENTIFICATION OF EPA HAZARD
CATEGORIES. HAZARD CATEGORIES: IMMEDIATE: NO PRESSURE: YES. DELAYED: NO.
REACTIVITY: NO. FIRE: YES. HYDROGEN DOES N OT REQUIRE REPORTING UNDER
SECTION 313.
Federal Regulatory Information: TSCA: TOXIC SUBSTANCES CONTROL ACT: HYDROGEN IS
LISTED ON THE TSCA INVENTORY.
OSHA: OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION: HYDROGEN IS NOT LISTED IN
APPENDIX A AS A HIGHLY HAZARDOUS CHEMICAL. HOWEVER, ANY PROCESS THAT
INVOLVES A FLAMMABLE GAS ON SITE IN ONE LOCATION IN QUANTITIES OF 10,000 LB
(4536 KG) OR GREATER IS COVERED UNDER THIS REGULATION UNLESS THE GAS IS USED
AS A FUEL.
State Regulatory Information: CALIFORNIA: HYDROGEN IS NOT LISTED BY CALIFORNIA
UNDER THE SAFE DRINKING WATER AND TOXIC ENFORCEMENT ACT OF 1986 (PROPOSITION
65). PENNSYLVANIA: HYDROGEN IS SUBJECT TO THE PENNSYLVANIA WORKER AND CO
MMUNITY RIGHT-TO-KNOW ACT (35 P.S. SECTIONS 7301-7320).
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Other Information
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Other Information: DANGER! FLAMMABLE HIGH-PRESSURE GAS. CAN FORM EXPLOSIVE
MIXTURES WITH AIR. MAY IGNITE IF VALVE IS OPENED TO AIR. BURNS WITH
INVISIBLE FLAME. MAY CAUSE DIZZINESS AND DROWSINESS. SELF-CONTAINED BRE
ATHING APPARATUS MAY BE REQUIRED BY RESCUE WORKERS. ODOR: NONE
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Transportation Information
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Trans ID NO: 155338
MSDS NAME: HYDROGEN
MSDS Prepared Date: 06/01/2000
Review Date: 11/14/2000
Multiple KIT Number: 0
Unit Of Issue: CY
Type Of Container: CYLINDER
Additional Data: PROPER SHIPPING NAME, UN ID NUMBER, HAZARD CLASS, PER MSDS.
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Detail DOT Information
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DOT PSN Code: HLR
DOT Proper Shipping Name: HYDROGEN, COMPRESSED
Hazard Class: 2.1
UN ID Num: UN1049
Label: FLAMMABLE GAS
Packaging Exception: 306
Non Bulk Pack: 302
Bulk Pack: 302,314
Max Qty Pass: FORBIDDEN
Max Qty Cargo: 150 KG
Vessel Stow Req: E
Water/Ship/Other Req: 40,57
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Detail IMO Information
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IMO PSN Code: IGH
IMO Proper Shipping Name: HYDROGEN, COMPRESSED
IMDG Page Number: 2148
UN Number: 1049
UN Hazard Class: 2(2.1)
IMO Packaging Group: -
Subsidiary Risk Label: -
EMS Number: 2-02
MED First Aid Guide NUM: NON
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Detail IATA Information
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IATA PSN Code: NSD
IATA UN ID Num: 1049
IATA Proper Shipping Name: HYDROGEN, COMPRESSED
IATA UN Class: 2.1
IATA Label: FLAMMABLE GAS
Packing Note Passenger: FORB
Max Quant Pass: FORB
Max Quant Cargo: 150KG
Packaging Note Cargo: 200
Exceptions: A1
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Detail AFI Information
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AFI PSN Code: NSD
AFI Proper Shipping Name: HYDROGEN, COMPRESSED
AFI Hazard Class: 2.1
AFI UN ID NUM: UN1049
Special Provisions: P4
Back Pack Reference: A6.3,A6.7
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HAZCOM Label
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MSDS NAME: HYDROGEN
Company: PRAXAIR, INC.
Street: 39 OLD RIDGEBURY RD
City: DANBURY CT
Zipcode: 06810-5113
Health Emergency Phone: 800-645-4633
Label Required IND: Y
Date Of Label Review: 11/14/2000
Status Code: A
MFG Label NO: NOT PROVIDED
Origination Code: F
Eye Protection IND: NO
Skin Protection IND: NO
Signal Word: DANGER
Respiratory Protection IND: NO
Health Hazard: Moderate
Contact Hazard: Slight
Fire Hazard: Severe
Reactivity Hazard: None
Hazard And Precautions: TARGET ORGANS: N/P. FIRST AID: INHALATION: REMOVE TO
FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS
DIFFICULT, QUALIFIED PERSONNEL MAY GIVE OXYGEN. CALL A PHYSICIAN. SKIN CO
NTACT: WASH WITH SOAP AND WATER. IF IRRITATION PERSISTS, SEEK MEDICAL
ATTENTION. SWALLOWING: AN UNLIKELY ROUTE OF EXPOSURE. THIS PRODUCT IS A GAS
AT NORMAL TEMPERATURE AND PRESSURE. EYE CONTACT: FLUSH EYES THOROUGHLY WITH
WATER FOR AT LEAST 15 MINUTES. HOLD THE EYELIDS OPEN AND AWAY FROM THE
EYEBALLS TO ENSURE THAT ALL SURFACES ARE FLUSHED THOROUGHLY. SEE A PHYSICIAN,
PREFERABLY AN OPHTHALMOLOGIST , IMMEDIATELY.
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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, states, or intends said information to have any application, use or
viability by or to any person or persons outside the Department of Defense
nor any person or persons contracting with any instrumentality of the United
States of America and disclaims all liability for such use. Any person
utilizing this instruction who is not a military or civilian employee of the
United States of America should seek competent professional advice to verify
and assume responsibility for the suitability of this information to their
particular situation regardless of similarity to a corresponding Department
of Defense or other government situation.
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