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Dinitro-o-cresol																				Related Pages
Synonyms & Trade Names
			4,6-Dinitro-o-cresol, 3,5-Dinitro-2-hydroxytoluene, 4,6-Dinitro-2-methyl phenol, DNC, DNOC
CAS No.
			534-52-1
	RTECS No.
			GO9625000
	DOT ID & Guide
			1598 153

FormulaCH3C6H2OH(NO2)2
	Conversion
	IDLH
			5 mg/m3See: 534521

Exposure Limits
			NIOSH RELTWA 0.2 mg/m3 [skin]
					OSHA PEL TWA 0.2 mg/m3 [skin]
	Measurement Methods
			**NIOSH** S166 (II-5)
					
					See: NMAM or OSHA Methods
										
Physical Description
			Yellow, odorless solid.
					[insecticide]													
										
Molecular Weight198.1	
	Boiling Point594°F
	Melting Point190°F
	Solubility0.01%
	Vapor Pressure0.00005 mmHg
	Ionization Potential?											
Specific Gravity1.1 (estimated)	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
	
	Minimum Explosive Concentration30 g/m3
Noncombustible Solid
Incompatibilities & Reactivities
			Strong oxidizers
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			Sense of well being; headache, fever, lassitude (weakness, exhaustion), profuse sweating, excess thirst, tachycardia, hyperpnea, cough, short breath, coma
Target Organs
			cardiovascular system, endocrine system
										
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 immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH/OSHA****Up to 2 mg/m3**:(APF = 10) Any air-purifying full-facepiece respirator equipped with an N95, R95, or P95 filter. 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.**Up to 5 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 = 25) Any supplied-air respirator operated in a continuous-flow mode£(APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate filter.£(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 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: 0462
					  MEDICAL TESTS: 0087

			
							

			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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