Phosphorus (yellow) |
Synonyms & Trade Names Elemental phosphorus, White phosphorus |
CAS No. 7723-14-0 |
RTECS No. TH3500000 |
DOT ID & Guide 1381 136 |
FormulaP4 |
Conversion |
IDLH 5 mg/m3
See: 7723140 |
Exposure Limits NIOSH REL: TWA 0.1 mg/m3
OSHA PEL: TWA 0.1 mg/m3 |
Measurement Methods
NIOSH 7905
See: NMAM or OSHA Methods |
Physical Description White to yellow, soft, waxy solid with acrid fumes in air. [Note: Usually shipped or stored in water.] |
MW: 124.0 |
BP: 536°F |
MLT: 111°F |
Sol: 0.0003% |
VP: 0.03 mmHg |
IP: ? |
Sp.Gr: 1.82 |
Fl.P: ? |
UEL: ? |
LEL: ? |
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| Flammable Solid |
Incompatibilities & Reactivities Air, oxidizers (including elemental sulfur & strong caustics), halogens [Note: Ignites SPONTANEOUSLY in moist air.] |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, resp tract; eye, skin burns; abdominal pain, nausea, jaundice; anemia; cachexia; dental pain, salivation, jaw pain, swelling |
Target Organs Eyes, skin, respiratory system, liver, kidneys, jaw, teeth, blood |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact* [*Note: Flame retardant personal protective equipment should be provided.]
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: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations NIOSH/OSHA Up to 1 mg/m3:
(APF = 10) Any supplied-air respirator Up to 2.5 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£ Up to 5 mg/m3:
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece 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:
Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0628 See MEDICAL TESTS: 0188 |
