Hydrazine
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Synonyms & Trade Names
Diamine, Hydrazine (anhydrous), Hydrazine base
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CAS No.
302-01-2
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RTECS No.
MU7175000
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DOT ID & Guide
2029 132 (anhydrous)
3293 152 (≤ 37% solution)
2030 153 (37-64% solution)
2029 132 (>64% solution)
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FormulaH2NNH2
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Conversion
1 ppm = 1.31 mg/m3
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IDLH
Ca [50 ppm]
See: 302012
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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]
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Measurement Methods
NIOSH 3503;
OSHA 20 , 108
See: NMAM or OSHA Methods |
Physical Description
Colorless, fuming, oily liquid with an ammonia-like odor.
[Note: A solid below 36°F.]
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MW: 32.1
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BP: 236°F |
FRZ: 36°F |
Sol: Miscible |
VP: 10 mmHg |
IP: 8.93 eV |
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.] |
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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
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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
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 |
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: 0281
See MEDICAL TESTS: 0115
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