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Hydrazine |
CAS 302-01-2 | ||
H2NNH2 |
RTECS MU7175000 | ||
Synonyms & Trade Names Diamine, Hydrazine (anhydrous), Hydrazine base |
DOT ID & Guide 2029 132 (anhydrous) 3293 152 (< or =37% solution) 2030 153 (37-64% solution) 2029 132 (>64% solution) |
Exposure
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NIOSH REL: Ca C 0.03 ppm (0.04 mg/m3) [2-hour] See Appendix A | ||
OSHA PEL†: TWA 1 ppm (1.3 mg/m3) [skin] | |||
IDLH Ca [50 ppm] See: 302012 | Conversion 1 ppm = 1.31 mg/m3 |
Physical Description Colorless, fuming, oily liquid with an ammonia-like odor. [Note: A solid below 36°F.] |
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MW: 32.1 |
BP: 236°F |
FRZ: 36°F |
Sol: Miscible |
VP: 10 mmHg |
IP: 8.93 eV |
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Sp.Gr: 1.01 |
Fl.P: 99°F |
UEL: 98% |
LEL: 2.9% |
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Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F. | |||
Incompatibilities & Reactivities Oxidizers, hydrogen peroxide, nitric acid, metallic oxides, acids [Note: Can ignite SPONTANEOUSLY on contact with oxidizers or porous materials such as earth, wood & cloth.] |
Measurement Methods NIOSH 3503; OSHA 20, 108 See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
Important additional information about respirator selection 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 |
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Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
Symptoms Irritation eyes, skin, nose, throat; temporary blindness; dizziness, nausea; dermatitis; eye, skin burns; in animals: bronchitis, pulmonary edema; liver, kidney damage; convulsions; [potential occupational carcinogen] | |
Target Organs
Eyes, skin, respiratory system, central nervous system, liver, kidneys Cancer Site [in animals: tumors of the lungs, liver, blood vessels & intestine] |
See also: INTRODUCTION See ICSC CARD: 0281 See MEDICAL TESTS: 0115 |