Product ID:HYDROGEN IN AIR
MSDS Date:02/06/1995
FSC:6830
NIIN:00N028342
MSDS Number: CGFSN

SCOTT-MARRIN INC

6531 BOX SPRINGS BLVD
RIVERSIDE, CA 92507
US

Emergency Phone: 909-953-6780

Info Phone: 909-953-6780

Cage: GO386

SCOTT-MARRIN, INC

RIVERSIDE, CA 92507 US

Telephone: 714-653-6780

Cage: 55995

0-2.0 MOLE-

CAS: 1333-74-0

RTECS: MW8900000

Fraction By Weight: SEE ING

OSHA PEL N/K

ACGIH TLV: N/K

AIR

Fraction By Weight: BALANCE

OSHA PEL N/K

ACGIH TLV: N/K

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:HYDROGEN IS A SIMPLE ASPHYXIANT WHICH
WILL DISPLACE THE OXYGEN IN AIR NECESSARY FOR LIFE. OXYGEN
CONCENTRATIONS LESS THAN 19.5% MUST BE AVOIDED. MIXTURES OF
HYDROGEN IN AIR ARE LIMITED TO LESS THAN 2 MOLE-% HYDROGEN AND
THEREFORE CONTAIN SUFFICIENT OXYGEN TO PREVENT SYMPTOMS OF
ASPHYXIA.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NOT APPLICABLE.

First Aid:INGEST: CALL MD IMMEDIATELY . EYES: IMMEDIATELY FLUSH
W/POTABLE WATER FOR A MINIMUM OF 15 MINUTES, SEEK ASSISTANCE FROM
MD . SKIN: FLUSH W/COPIOUS AMOUNTS OF WATER. CALL MD . INHAL:
REMOVE PERSON TO UNCONTAMINATED AREA. IF BREATHING IS LABORED,
ADMINISTER PURE OXYGEN. IF BREATHING HAS STOPPED, START ARTIFICIAL
RESPIRATION. GET IMMEDIATE MEDICAL ATTENTION FOR SERIOUS EXPOSURE.

Flash Point:NON-FLAM GAS
Extinguishing Media:USE APPROPRIATE MEDIA FOR SURROUNDING FIRE.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
EQUIPMENT . USE WATER SPRAY TO KEEP CYLINDERS COOL WHEN EXPOSED TO
FIRE.
Unusual Fire/Explosion Hazard:GAS CYLS MAY RUPTURE VIOLENTLY WHEN
EXPOSED TO FIRE. CYL VALVE IS EQUIPPED W/PRESS RELIEF DEVICE TO
SAFELY VENT CYL IF IT IS EXPOSED TO ELEVATED PRESS (SUPDAT)

Spill Release Procedures:VENTILATE ENCLOSED AREAS. MOVE LEAKING
CYLINDER TO FUME HOOD OR SAFE OUTDOOR AREA.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:GAS IS IN CYL AT HIGH PRESS. USE ONLY
W/HIGH PRESS EQUIPMENT OR PRESS REDUCING REGULATOR. SECURE CYL
W/MOUNTING BRACKET AWAY FROM HEAVILY (SUDPAT)
Other Precautions:USE MONITORING EQUIPMENT IF HAZARDOUS CONDITIONS ARE
SUSPECTED OR LIKELY TO OCCUR.

Respiratory Protection:USE NIOSH APPROVED SELF-CONTAINED BREATHING
APPARATUS IN EMERGENCY OR RESCUE SITUATIONS.
Ventilation:ENCLOSED AREAS MUST BE PROVIDED WITH GENERAL OR LOCAL
EXHAUST VENTILATION TO AVOID HAZARDOUS CONDITIONS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
SHOES SHOULD BE WORN WHEN HANDLING HIGH PRESSURE CYLINDERS.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EXPLO HAZ: IN A FIRE. ALUMINUM CYLS EXPOSED TO FIRE MUST BE REMOVED
FROM SERVICE, SAFELY VENTED & RETURNED TO OWNER FOR CONDEMNATION.
HNDLG/STOR PRECS: TRAVELLED AREAS. KEEP CYL IN DRY, COOL, WELL VEN
TILATED AREA AWAY FROM HEAT, SPARKS OR CORROSIVE CHEMICALS. AVOID
DRAGGING OR ROLLING CYL BY USING SUITABLE HAND TRUCK.

Vapor Density:1.00
Appearance and Odor:COLORLESS; ODORLESS.

Stability Indicator/Materials to Avoid:YES
NONE.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE.

Waste Disposal Methods:DISPOSAL MUST BE IN ACCORDANCE WITH FEDERAL,
STATE AND LOCAL REGULATIONS . RETURN CYLINDER TO SCOTT-MARRIN INC
WITH RESIDUAL PRESSURE, CYLINDER VALVE CLOSED AND VALVE PROTECTIVE
CAP INSTALLED.

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.