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| Sodium fluoride (as F) | CAS 7681-49-4 | ||
| NaF | RTECS WB0350000 | ||
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Synonyms & Trade Names Floridine, Sodium monofluoride |
DOT ID & Guide 1690 154 |
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Exposure Limits |
NIOSH REL*: TWA 2.5 mg/m3 [*Note: The REL also applies to other inorganic, solid fluorides (as F).] | ||
| OSHA PEL*: TWA 2.5 mg/m3 [*Note: The PEL also applies to other inorganic, solid fluorides (as F).] | |||
| IDLH 250 mg/m3 (as F) | Conversion | ||
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Physical Description Odorless, white powder or colorless crystals. [Note: Pesticide grade is often dyed blue.] |
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MW: 42.0 |
BP: 3099°F |
MLT: 1819°F |
Sol: 4% |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 2.78 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 7902, 7906; OSHA ID110 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Fresh air Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH/OSHA Up to 12.5 mg/m3: (APF = 5) Any dust and mist respirator Up to 25 mg/m3: (APF = 10) Any dust and mist respirator except single-use and quarter-mask respirators*/(APF = 10) Any supplied-air respirator* Up to 62.5 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 25) Any powered, air-purifying respirator with a dust and mist filter*+ Up to 125 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter+/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 250 mg/m3: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode Emergency or planned entry into unknown concentrations or IDLH conditions: (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: (APF = 50) Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter+/Any appropriate escape-type, self-contained breathing apparatus +Note: May need acid gas sorbent |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, respiratory system; nausea, abdominal pain, diarrhea; salivation, thirst, sweating; stiff spine; dermatitis; calcification of ligaments of ribs, pelvis | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, skeleton, kidneys |
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| See also: INTRODUCTION |