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Calcium cyanamide |
CAS 156-62-7 | ||
CaCN2 |
RTECS GS6000000 | ||
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Synonyms & Trade Names Calcium carbimide, Cyanamide, Lime nitrogen, Nitrogen lime [Note: Cyanamide is also a synonym for Hydrogen cyanamide, NH2CN.] |
DOT ID & Guide 1403 138 (with >0.1% calcium carbide) |
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Exposure
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NIOSH REL: TWA 0.5 mg/m3 | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion | ||
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Physical Description Colorless, gray, or black crystals or powder. [fertilizer] [Note: Commercial grades may contain calcium carbide.] |
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MW: 80.1 |
BP: Sublimes |
MLT: 2444°F |
Sol: Insoluble |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 2.29 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid, but a fire risk if it contains calcium carbide. | |||
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Incompatibilities & Reactivities Water [Note: May polymerize in water or alkaline solutions to dicyanamide. Decomposes in water to form acetylene & ammonia.] |
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Measurement Methods NIOSH 0500 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, respiratory system; headache, dizziness, rapid breathing, low blood pressure, nausea, vomiting; skin burns, sensitization; cough; Antabuse-like effects | |
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Target Organs
Eyes, skin, respiratory system, vasomotor system |
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| See also: INTRODUCTION |