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Thermophysical Data
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Transcript of Thermophysical Data
Chemical kinetics data for all material
Table 1: Thermophysical Properties of Each Chemical
Chemical Carbon Monoxide
Carbon Dioxide
Nitrogen Hydrogen Methane Water Ammonia
Physical state Gas Gas Gas Gas Gas Gas GasColor Colorless Colorless Colorless Colorless Colorless Colorless ColorlessOdor Odorless Odorless Odorless Odorless Odorless Odorless Pungent
odorTaste Tasteless Acid taste Tasteless Tasteless Tasteless Tasteless -Melting/Freezing Point
-205 C -57 C @ 4000 mmHg
-210 C -259 C -183 C -57 C at 4000 mmHg
-78 C
Flash Point Flammable gas
None Not combustible
- -223 C Not flammable Not available
Evaporation Rate Not available
Not available Not available Not available
Not available
Not avaialble Not available
Upper explosive limit
74 % by volume
Not available Not applicable 75 % 15 % Not available 28 %
Vapor Density (air =1)
0.968 1.5 0.967 0.07 0.555 1.5 0.5967
Water Solubility 2.3 % @ 20 C
Soluble 1.6 % @ 20 C
1.82 % @20 C
3.5 % @17 C
Soluble 38 % @ 20 C
Auto Ignition 700 C Not available Not applicable 400 C 537 C Not available 651 CMolecular Weight (g/mol)
28.01 44.01 28.0134 2.0 16.04 18.01528 17.03
Appearance Colorless gas
Not available Not available Not available
Colorless gas
Colorless gas Not available
Physical Form Gas Gas Gas Gas Gas Compressed Gas Liquefied gas
Odor Threshold Not Not available Not available Not Not Not available 1-5 ppm
available available availablepH Not
availableAcidic in solution
Not available Not available
Not available
Acidic in solution
1 N
Boiling Point -191.5 C -78.50 - -61.7 C (liquid)
-196 C -253 C -162C -78.5 C (-109F Sublimation)
-33 C
Decomposition Not available
Not available Not available Not available
Not available
- Not Available
Lower explosive limit
>=12.5 % by volume
Not available Not applicable 4.0 % 5.0 % Not available 15 %
Vapor Pressure 760 mmHg @ -191 C
43,700 mmHg @ 21 C
760 mmHg @ -196 C
760 mmHg @ -253 C
760 mmHg @ -161 C
- 6658 mmHg at 21 C
Density 1.250 g/L @ 0C
Not available 1.2506 g/L 0.08987
g/L @ 0 C
0.717 G/l @ 0 C
Not available 0.7067 g/L at 25 C
Log KOW Not available
Not available 0.67 Not available
Not available
- 0.03
Viscosity 0.01657 cP @ 0 C
0.00000203 Pa.s @20 °C
0.01787 Cp @ 27 C
0.008957 0.01118 cP @ 27 C
14.9 µPa-sec 0.475 cP
Molecular Formula
C-O C-O2 N2 H2 C-H4 H2-O N-H3
Triple point - -56.6 °C @ 3883.6 mmHg
- - - -56.6 C -
Sublimation point - -78.50 °C - - - -78.5 C (-109 F)
-
Specific gravity (water =1)
- 1.527 @ 21 °C 0.967 - - 1.527 at 21 C Not available
Volatility by volume
- 100 % 100 % - - - -
Solvent solubility Soluble: Soluble: Soluble: Slightly Soluble: Soluble: alcohol, Soluble
alcohol, benzene, acetic acid, ethyl acetate, chloroform, cuprous chloride solutions
alcohol, acetone, hydrocarbons, organic solvents
liquid ammonia Slightly Soluble: alcohol
Soluble: alcohol, ether
alcohol, ether, benzene, organic solvents
acetone, Hydrocarbons, organic solvents
methanol, ethanol, chloroform, ether, organic solvents
Key* KOW - Octanol/water partition coefficient
Table 2: Toxicity Data of Each Chemical
Chemical Toxilogical InformationCarbon Monoxide
Component Analysis - LD50/LC50Inhalation LC50 Rat 1807 ppm 4 hAcute Toxicity LevelToxic: inhalationComponent CarcinogenicityNone of this product's components are listed by ACGIH, IARC, NTP, OSHA or DFG.Target OrgansbloodMedical Conditions Aggravated by Exposureblood system disorders, heart or cardiovascular disorders, hormonal disorders, respiratory disordersAdditional DataAlcohol may enhance the toxic effects. May cross the placenta. Smoking may enhance the toxic effects.
Carbon Dioxide Acute Toxicity LevelNon Toxic: inhalationComponent Carcinogenicity
None of this product's components are listed by ACGIH, IARC, NTP, OSHA or DFG.Target OrgansCentral nervous systemMedical Conditions Aggravated by ExposureHeart or cardiovascular disorders, respiratory disorders
Nitrogen Component CarcinogenicityNone of this product's components are listed by ACGIH, IARC, NTP, OSHA or DFG.Additional DataTARGET ORGANS: simple asphyxiant
Hydrogen Component Analysis - LD50/LC50Inhalation LC50 Rat >15000 ppm 1 hComponent CarcinogenicityNone of this product's components are listed by ACGIH, IARC, NTP, OSHA or DFG.
Methane RTECS Acute Toxicity (selected)The components of this material have been reviewed, and RTECS publishes the following endpoints:Inhalation:500000 ppm/2 hour Inhalation Mouse LC50; 326 gm/m3/2 hour Inhalation Mouse LC50Acute Toxicity LevelSlightly Toxic: inhalationImmediate Effectsfrostbite, suffocationCarcinogenicityNone of this product's components are listed by ACGIH, IARC, NTP, OSHA or DFG.
Water Component Analysis - LD50/LC50The components of this material have been reviewed in various sources and the following selected endpoints are published:Oral LD50 Rat >90 mL/kgRTECS Acute Toxicity (selected)The components of this material have been reviewed and RTECS publishes no data as of the date on this document.Immediate Effectsfrostbite, suffocation
Ammonia Information on Likely Routes of Exposure
Inhalation Toxic if inhaled. Burns may cause allergic or asthmatic symptoms or breathing difficulties if inhaled. Skin Contact burns Eye Contact burns Ingestion burns Component Analysis - LD50/LC50Oral LD50 Rat 350 mg/kg Inhalation LC50 Rat 2000 ppm 4 hImmediate Effectsrespiratory tract burns, skin burns, eye burns, allergic reactions, lung damageDelayed Effectsrespiratory tract burns, skin burns, eye burns, lung damage, respiratory system effectsIrritation/Corrosivity DataFrom human experience the gas is recognized as a skin and eye irritant.Respiratory SensitizationHuman experience and animal testing indicate the substance is sensitizing.Dermal SensitizationAnimal testing with an aqueous solution indicates the substance is not sensitizing.Component CarcinogenicityNone of this product's components are listed by ACGIH, IARC, NTP, DFG or OSHAGerm Cell MutagenicityMay cause genetic defects.Specific Target Organ Toxicity - Single ExposureRespiratory system, lungsSpecific Target Organ Toxicity - Repeated ExposureRespiratory system, lungsMedical Conditions Aggravated by Exposureeye disorders, respiratory disorders, skin disorders and allergies
Key* ACGIH - American Conference of Governmental Industrial Hygienists
IARC - International Agency for Research on Cancer
NTP - National Toxicology Program
OSHA - Occupational Safety and Health Administration
DFG - Deutsche Forschungsgemeinschaft
Table 3: Transport Data of Each Chemical
Chemical/ US DOT Information & TDG Information
Carbon Monoxide
Carbon Dioxide
Nitrogen Hydrogen Methane Water Ammonia
Shipping name Carbon monoxide, compressed
Carbon dioxide
Nitrogen, compressed
Hydrogen, compressed
Methane, compressed
Nitrogen, compressed, Mixture
Ammonia, anhydrous
UN/NA UN1016 UN1013 UN1066 UN1049 UN1971 UN1066 UN1005Hazard class 2.3 2.2 2.2 2.1 2.1 2.2 2.2Required Label(s)
2.3, 2.1 2.2 2.2 2.1 2.1 2.2 2.2
Additional Info
Toxic-Inhalation Hazard Zone D
- - - - - -
Hazard Scale: 0 = Minimal, 1 = Slight, 2 = Moderate, 3 = Serious, 4 = Severe
UN/NA– United Nations/North American Number
*to identify hazardous chemicals or classes of hazardous materials worldwide