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Tetryl

Synonyms & Trade Names
N-Methyl-N,2,4,6-tetranitroaniline, Nitramine, 2,4,6-Tetryl, 2,4,6-Trinitrophenyl-N-methylnitramine
CAS No.
479-45-8
RTECS No.
BY6300000
DOT ID & Guide
Formula
(NO2)3C6H2N(NO2)CH3
Conversion
IDLH
750 mg/m3
See: 479458
Exposure Limits
NIOSH REL
TWA 1.5 mg/m3 [skin]
OSHA PEL
TWA 1.5 mg/m3 [skin]
Measurement Methods
NIOSH S225 (II-3)
See: NMAM or OSHA Methods
Physical Description
Colorless to yellow, odorless, crystalline solid.
Molecular Weight
287.2
Boiling Point
356-374°F (Explodes)
Melting Point
268°F
Solubility
0.02%
Vapor Pressure
<1 mmHg
Ionization Potential
?
Specific Gravity
1.57
Flash Point
Explodes
Upper Exposive Limit
?
Lower Explosive Limit
?
Combustible Solid (Class A Explosive)
Incompatibilities & Reactivities
Oxidizable materials, hydrazine
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
sensitization dermatitis, itch, erythema (skin redness); edema on nasal folds, cheeks, neck; keratitis (inflammation of the cornea); sneezing; anemia; cough, coryza; irritability; malaise (vague feeling of discomfort), headache, lassitude (weakness, exhaustion), insomnia; nausea, vomiting; liver, kidney damage
Target Organs
Eyes, skin, respiratory system, central nervous system, liver, kidneys
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated/Daily
Remove:When wet or contaminated
Change:Daily
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH/OSHA

Up to 7.5 mg/m3:
(APF = 5) Any quarter-mask respirator.
Click here for information on selection of N, R, or P filters.

Up to 15 mg/m3:
(APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100.
Click here for information on selection of N, R, or P filters.*
(APF = 10) Any supplied-air respirator*

Up to 37.5 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate filter.*

Up to 75 mg/m3:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Up to 750 mg/m3:
(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode

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 with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0959   MEDICAL TESTS: 0227
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