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MSDS Material Safety Data Sheet
CAS

7727-37-9

File Name: matheson-trigas_com---00202589.asp
                                                                                       Page 1 of 6
MATERIAL SAFETY DATA SHEET

1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

MATHESON TRI-GAS, INC. Emergency Contact:
150 Allen Road Suite 302 CHEMTREC 1-800-424-9300
Basking Ridge, New Jersey 07920 Calls Originating Outside the US:
Information: 1-800-416-2505 703-527-3887 (Collect Calls Accepted)

SUBSTANCE: NITROGEN, CRYOGENIC LIQUID

TRADE NAMES/SYNONYMS:
MTG MSDS 164; NITROGEN, REFRIGERATED LIQUID; NITROGEN, REFRIGERATED LIQUID,
CRYOGENIC LIQUID; NITROGEN; NITROGEN (LIQUID); LIQUID NITROGEN; UN 1977; STCC
4904566; N2; 00202589; RTECS QW9700000

CHEMICAL FAMILY: non-metallic

CREATION DATE: Jan 08 1999
REVISION DATE: Sep 13 2007


2. COMPOSITION, INFORMATION ON INGREDIENTS

COMPONENT: NITROGEN, CRYOGENIC LIQUID
CAS NUMBER: 7727-37-9
PERCENTAGE: 100.0


3. HAZARDS IDENTIFICATION

NFPA RATINGS (SCALE 0-4): HEALTH=3 FIRE=0 REACTIVITY=0

EMERGENCY OVERVIEW:
COLOR: colorless
PHYSICAL FORM: liquefied gas
ODOR: odorless
MAJOR HEALTH HAZARDS: difficulty breathing
PHYSICAL HAZARDS: Containers may rupture or explode if exposed to heat.

POTENTIAL HEALTH EFFECTS:
INHALATION:
SHORT TERM EXPOSURE: nausea, vomiting, dizziness, tingling sensation, suffocation, convulsions,
Page 2 of 6
coma
LONG TERM EXPOSURE: no information on significant adverse effects
SKIN CONTACT:
SHORT TERM EXPOSURE: blisters, frostbite
LONG TERM EXPOSURE: no information on significant adverse effects
EYE CONTACT:
SHORT TERM EXPOSURE: frostbite, blurred vision
LONG TERM EXPOSURE: no information on significant adverse effects
INGESTION:
SHORT TERM EXPOSURE: frostbite
LONG TERM EXPOSURE: no information is available


4. FIRST AID MEASURES

INHALATION: If adverse effects occur, remove to uncontaminated area. Give artificial respiration if not
breathing. If breathing is difficult, oxygen should be administered by qualified personnel. Get immediate
medical attention.

SKIN CONTACT: If frostbite or freezing occur, immediately flush with plenty of lukewarm water (105-
115 F; 41-46 C). DO NOT USE HOT WATER. If warm water is not available, gently wrap affected parts in
blankets. Get immediate medical attention.

EYE CONTACT: Immediately flush eyes with plenty of water for at least 15 minutes. Then get immediate
medical attention.

INGESTION: If a large amount is swallowed, get medical attention.

NOTE TO PHYSICIAN: For inhalation, consider oxygen.


5. FIRE FIGHTING MEASURES

FIRE AND EXPLOSION HAZARDS: Negligible fire hazard. Containers may rupture or explode if
exposed to heat.

EXTINGUISHING MEDIA: Use extinguishing agents appropriate for surrounding fire.

FIRE FIGHTING: Move container from fire area if it can be done without risk. Cool containers with water
spray until well after the fire is out. Stay away from the ends of tanks. For tank, rail car or tank truck,
evacuation radius: 800 meters (1/2 mile).


6. ACCIDENTAL RELEASE MEASURES
Page 3 of 6
OCCUPATIONAL RELEASE:
Do not touch spilled material. Stop leak if possible without personal risk. Keep unnecessary people away,
isolate hazard area and deny entry. Ventilate closed spaces before entering.


7. HANDLING AND STORAGE

STORAGE: Store and handle in accordance with all current regulations and standards. Protect from
physical damage. Inside storage: Store in a well-ventilated area. Subject to storage regulations: U.S. OSHA
29 CFR 1910.101. Keep separated from incompatible substances.


8. EXPOSURE CONTROLS, PERSONAL PROTECTION

EXPOSURE LIMITS:
NITROGEN, CRYOGENIC LIQUID:
NITROGEN:
ACGIH (simple asphyxiant)

VENTILATION: Provide local exhaust ventilation system. Ensure compliance with applicable exposure
limits.

EYE PROTECTION: For the gas: Eye protection not required, but recommended. For the liquid: Wear
splash resistant safety goggles. Contact lenses should not be worn. Provide an emergency eye wash fountain
and quick drench shower in the immediate work area.

CLOTHING: For the gas: Protective clothing is not required. For the liquid: Wear appropriate protective,
cold insulating clothing.

GLOVES: Wear insulated gloves.

RESPIRATOR: Under conditions of frequent use or heavy exposure, respiratory protection may be needed.
Respiratory protection is ranked in order from minimum to maximum. Consider warning properties before
use.
For Unknown Concentrations or Immediately Dangerous to Life or Health -
Any supplied-air respirator with a full facepiece that is operated in a pressure-demand or other positive-
pressure mode in combination with an auxiliary self-contained breathing apparatus operated in pressure-
demand or other positive-pressure mode.
Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or
other positive-pressure mode.


9. PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE: gas
COLOR: colorless
Page 4 of 6
PHYSICAL FORM: liquefied gas
ODOR: odorless
TASTE: tasteless
MOLECULAR WEIGHT: 28.0134
MOLECULAR FORMULA: N2
BOILING POINT: -321 F (-196 C)
FREEZING POINT: -346 F (-210 C)
VAPOR PRESSURE: 760 mmHg @ -196 C
VAPOR DENSITY (air=1): 0.967
SPECIFIC GRAVITY (water=1): 0.8081 @ -196 C
WATER SOLUBILITY: 1.6% @ 20 C
PH: Not applicable
VOLATILITY: 100%
ODOR THRESHOLD: Not available
EVAPORATION RATE: Not applicable
VISCOSITY: 0.292 cP @ -209 C
COEFFICIENT OF WATER/OIL DISTRIBUTION: Not applicable
SOLVENT SOLUBILITY:
Soluble: liquid ammonia
Slightly Soluble: alcohol


10. STABILITY AND REACTIVITY

REACTIVITY: Stable at normal temperatures and pressure.

CONDITIONS TO AVOID: Protect from physical damage and heat. Containers may rupture or explode if
exposed to heat. Avoid contact with water or moisture.

INCOMPATIBILITIES: metals, oxidizing materials

HAZARDOUS DECOMPOSITION:
Thermal decomposition products: oxides of nitrogen

POLYMERIZATION: Will not polymerize.


11. TOXICOLOGICAL INFORMATION

Not available


12. ECOLOGICAL INFORMATION

Not available
Page 5 of 6

13. DISPOSAL CONSIDERATIONS

Dispose in accordance with all applicable regulations.


14. TRANSPORT INFORMATION

U.S. DOT 49 CFR 172.101:
PROPER SHIPPING NAME: Nitrogen, refrigerated liquid
ID NUMBER: UN1977
HAZARD CLASS OR DIVISION: 2.2
LABELING REQUIREMENTS: 2.2

CANADIAN TRANSPORTATION OF DANGEROUS GOODS:
SHIPPING NAME: Nitrogen, refrigerated liquid
UN NUMBER: UN1977
CLASS: 2.2


15. REGULATORY INFORMATION

U.S. REGULATIONS:
CERCLA SECTIONS 102a/103 HAZARDOUS SUBSTANCES (40 CFR 302.4): Not regulated.

SARA TITLE III SECTION 302 EXTREMELY HAZARDOUS SUBSTANCES (40 CFR 355.30): Not
regulated.

SARA TITLE III SECTION 304 EXTREMELY HAZARDOUS SUBSTANCES (40 CFR 355.40): Not
regulated.

SARA TITLE III SARA SECTIONS 311/312 HAZARDOUS CATEGORIES (40 CFR 370.21):
ACUTE: Yes
CHRONIC: No
FIRE: No
REACTIVE: No
SUDDEN RELEASE: Yes

SARA TITLE III SECTION 313 (40 CFR 372.65): Not regulated.

OSHA PROCESS SAFETY (29CFR1910.119): Not regulated.

STATE REGULATIONS:
California Proposition 65: Not regulated.

CANADIAN REGULATIONS:
Page 6 of 6
WHMIS CLASSIFICATION: Not determined.

NATIONAL INVENTORY STATUS:
U.S. INVENTORY (TSCA): Listed on inventory.

TSCA 12(b) EXPORT NOTIFICATION: Not listed.

CANADA INVENTORY (DSL/NDSL): Not determined.


16. OTHER INFORMATION

漏Copyright 1984-2008 Symyx Technologies, Inc. All rights reserved.

MATHESON TRI-GAS, INC. MAKES NO EXPRESS OR IMPLIED WARRANTIES,
GUARANTEES OR REPRESENTATIONS REGARDING THE PRODUCT OR THE
INFORMATION HEREIN, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY
OF MERCHANTABILITY OR FITNESS FOR USE. MATHESON TRI-GAS, INC. SHALL NOT BE
LIABLE FOR ANY PERSONAL INJURY, PROPERTY OR OTHER DAMAGES OF ANY NATURE,
WHETHER COMPENSATORY, CONSEQUENTIAL, EXEMPLARY, OR OTHERWISE,
RESULTING FROM ANY PUBLICATION, USE OR RELIANCE UPON THE INFORMATION
HEREIN.

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