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Phenylhydrazine																				Related Pages
Synonyms & Trade Names
			Hydrazinobenzene, Monophenylhydrazine
CAS No.
			100-63-0
	RTECS No.
			MV8925000
	DOT ID & Guide
			2572 153

FormulaC6H5NHNH2
	Conversion
			1 ppm = 4.42 mg/m3
	IDLH
			Ca [15 ppm]See: 100630

Exposure Limits
			NIOSH RELCa C 0.14 ppm (0.6 mg/m3) [2-hr] [skin] See Appendix A
					OSHA PEL TWA 5 ppm (22 mg/m3) [skin] See Appendix G
	Measurement Methods
			**NIOSH** 3518
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless to pale-yellow liquid or solid (below 67°F) with a faint, aromatic odor.													
										
Molecular Weight108.1	
	Boiling Point470°F (Decomposes)
	Freezing Point67°F
	SolubilitySlight
	Vapor Pressure(77°F): 0.04 mmHg
	Ionization Potential7.64 eV											
Specific Gravity1.10	
	Flash Point190°F
	Upper Explosive Limit?
	Lower Explosive Limit?
Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F. Combustible Solid
Incompatibilities & Reactivities
			Strong oxidizers, lead dioxide
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			Skin sensitization, hemolytic anemia, dyspnea (breathing difficulty), cyanosis; jaundice; kidney damage; vascular thrombosis; [potential occupational carcinogen]
Target Organs
			Blood, respiratory system, liver, kidneys, skin
Cancer Site[in animals: tumors of the lungs, liver, blood vessels & intestine]										
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
							**Provide:**Eyewash, Quick drench
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Soap wash immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH****At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:** (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:** Any appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0938
					  MEDICAL TESTS: 0184

			
							

			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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Chemical Names, Synonyms and Trade Names
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C
D
E
F
G
H
I
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K
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M
N
O
P
Q
R
S
T
U
V
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CAS Numbers
RTECS Numbers
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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