Phenylhydrazine |
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 REL: Ca C 0.14 ppm (0.6 mg/m3) [2-hr] [skin] See Appendix A
OSHA PEL†: TWA 5 ppm (22 mg/m3) [skin] |
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. |
MW: 108.1 |
BP: 470°F (Decomposes) |
FRZ: 67°F |
Sol: Slight |
VP(77°F): 0.04 mmHg |
IP: 7.64 eV |
Sp.Gr: 1.10 |
Fl.P: 190°F |
UEL: ? |
LEL: ? |
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| 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 See ICSC CARD: 0938 See MEDICAL TESTS: 0184 |
