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P-4602-F डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Praxair Material Safety - Helium

भाग संख्या P-4602-F
समारोह Praxair Material Safety
मैन्युफैक्चरर्स Helium 
लोगो Helium लोगो 
पूर्व दर्शन
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P-4602-F pdf
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Product: Helium
P-4602-F
Date: January 2003
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, vomiting, and unconsciousness. Lack
of oxygen can kill.
SKIN CONTACT–No harm expected.
SWALLOWING–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: Helium is an asphyxiant. Lack of oxygen can kill.
MEDICAL CONDITIONS AGGRAVATED BY OVEREXPOSURE: The toxicology and the
physical and chemical properties of helium suggest that overexposure is unlikely to aggravate existing
medical conditions.
SIGNIFICANT LABORATORY DATA WITH POSSIBLE RELEVANCE TO HUMAN HEALTH
HAZARD EVALUATION: None known.
CARCINOGENICITY: Helium is not listed by NTP, OSHA, or IARC.
4. First Aid Measures
INHALATION: Immediately 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; seek medical attention if discomfort persists.
SWALLOWING: This product is a gas at normal temperature and pressure.
EYE CONTACT: Flush eyes thoroughly with water. Hold the eyelids open and away from the eyeballs
to ensure that all surfaces are flushed thoroughly. Get medical attention if discomfort persists.
NOTES TO PHYSICIAN: There is no specific antidote. This product is inert. Treatment of
overexposure should be directed at the control of symptoms and the clinical condition of the patient.
5. Fire Fighting Measures
FLASH POINT (test method):
AUTOIGNITION TEMPERATURE:
FLAMMABLE LIMITS IN AIR, % by volume:
Not applicable
Not applicable
LOWER: Not applicable UPPER: Not applicable
EXTINGUISHING MEDIA: Helium cannot catch fire. Use media appropriate for surrounding fire.
SPECIAL FIRE FIGHTING PROCEDURES: CAUTION! High-pressure gas. Evacuate all
personnel from danger area. Immediately deluge cylinders with water from maximum distance until cool;
then move them away from fire area if without risk. Self-contained breathing apparatus may be required
by rescue workers. On-site fire brigades must comply with OSHA 29 CFR 1910.156.
UNUSUAL FIRE AND EXPLOSION HAZARDS: Helium cannot catch fire. Heat of fire can build
pressure in cylinder and cause it to rupture. No part of cylinder should be subjected to a temperature
higher than 125°F (52°C). Helium cylinders are equipped with a pressure relief device. (Exceptions may
exist where authorized by DOT.)
HAZARDOUS COMBUSTION PRODUCTS: None known.
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