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Tetranitromethane

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Synonyms & Trade Names
Tetan, TNM
CAS No.
509-14-8
RTECS No.
PB4025000
DOT ID & Guide
1510 143
Formula
C(NO₂)₄
Conversion
1 ppm = 8.02 mg/m3
IDLH
4 ppm
See: 509148
Exposure Limits
NIOSH REL
TWA 1 ppm (8 mg/m3)
OSHA PEL
TWA 1 ppm (8 mg/m3)
Measurement Methods
NIOSH 3513
See: NMAM or OSHA Methods
Physical Description
Colorless to pale-yellow liquid or solid (below 57°F) with a pungent odor.
Molecular Weight
196.0
Boiling Point
259°F
Freezing Point
57°F
Solubility
Insoluble
Vapor Pressure
8 mmHg
Ionization Potential
?
Specific Gravity
1.62
Flash Point
?
Upper Explosive Limit
?
Lower Explosive Limit
?
Combustible Liquid, but difficult to ignite.
Incompatibilities & Reactivities
Hydrocarbons, alkalis, metals, oxidizers, aluminum, toluene, cotton [Note: Combustible material wet with tetranitromethane may be highly explosive.]
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, nose, throat; dizziness, headache; chest pain, dyspnea (breathing difficulty); methemoglobinemia, cyanosis; skin burns
Target Organs
Eyes, skin, respiratory system, blood, central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet (flammable)
Change:Daily
Provide:Eyewash
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH/OSHA

Up to 4 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£
(APF = 50) Any chemical cartridge respirator with a full facepiece and cartridge(s) providing protection against the compound of concern¿
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern¿
(APF = 25) Any powered, air-purifying respirator with cartridge(s) providing protection against the compound of concern¿£
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern¿
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 1468   MEDICAL TESTS: 0226
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health