Sodium fluoride (as F)
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CAS
7681-49-4
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NaF
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RTECS
WB0350000
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Synonyms & Trade Names
Floridine, Sodium monofluoride
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DOT ID & Guide
1690 / 154
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Exposure
Limits
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NIOSH REL*: TWA 2.5 mg/m3 [*Note: The REL also applies to other inorganic, solid fluorides (as F).]
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OSHA PEL*: TWA 2.5 mg/m3 [*Note: The PEL also applies to other inorganic, solid fluorides (as F).]
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IDLH
250 mg/m3 (as F)
See: fluoride
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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
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BP: 3099°F
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MLT: 1819°F
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Sol: 4%
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VP: 0 mmHg (approx)
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IP: NA
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Sp.Gr: 2.78
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Fl.P: NA
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UEL: NA
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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
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 or contaminated
Change: Daily
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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 quarter-mask respirator. Click here for information on selection of N, R, or P filters.
Up to 25 mg/m3:
(APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters.*
(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 high-efficiency particulate filter.*+
Up to 125 mg/m3:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.+
(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 an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.+/Any appropriate escape-type, self-contained breathing apparatus
+Note: May need acid gas sorbent
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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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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