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Tetryl																				Related Pages
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/m3See: 479458

Exposure Limits
			NIOSH RELTWA 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 Weight287.2	
	Boiling Point356-374°F (Explodes)
	Melting Point268°F
	Solubility0.02%
	Vapor Pressure<1 mmHg
	Ionization Potential?											
Specific Gravity1.57	
	Flash PointExplodes
	Upper Explosive 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

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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