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| Hydrazine | CAS 302-01-2 | ||
| H2NNH2 | RTECS MU7175000 | ||
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Synonyms & Trade Names Diamine, Hydrazine (anhydrous), Hydrazine base |
DOT ID & Guide 2029 132 (anhydrous) 3293 152 (</=37% solution) 2030 153 (37-64% solution) 2029 132 (>64% solution) |
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Exposure Limits |
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] | Conversion 1 ppm = 1.31 mg/m3 | ||
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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 |
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VP: 10 mmHg |
IP: 8.93 eV |
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Sp.Gr: 1.01 |
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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. | |||
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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.] |
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Measurement Methods NIOSH 3503; OSHA 20, 108 |
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Personal Protection & Sanitation 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 |
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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] | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, liver, kidneys Cancer Site [in animals: tumors of the lungs, liver, blood vessels & intestine] |
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| See also: INTRODUCTION |