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Phosphorus pentasulfide |
CAS 1314-80-3 | ||
P2S5/P4S10 |
RTECS TH4375000 | ||
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Synonyms & Trade Names Phosphorus persulfide, Phosphorus sulfide, Sulfur phosphide |
DOT ID & Guide 1340 139 |
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Exposure
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NIOSH REL: TWA 1 mg/m3 ST 3 mg/m3 | ||
| OSHA PEL†: TWA 1 mg/m3 | |||
| IDLH 250 mg/m3 See: 1314803 | Conversion | ||
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Physical Description Greenish-gray to yellow, crystalline solid with an odor of rotten eggs. |
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MW: 222.3 (P2S5); 444.6 (P4S10) |
BP: 957°F |
MLT: 550°F |
Sol: Reacts |
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VP(572°F): 1 mmHg |
IP: ? |
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Sp.Gr: 2.09 |
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Fl.P: ? |
UEL: ? |
LEL: ? |
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| Flammable Solid, which may SPONTANEOUSLY ignite in presence of moisture. | |||
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Incompatibilities & Reactivities Water, alcohols, strong oxidizers, acids, alkalis [Note: Reacts with water to form hydrogen sulfide, sulfur dioxide, and phosphoric acid.] |
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Measurement Methods None available 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 |
First Aid (See procedures) Eye: Irrigate immediately Skin: Dust off solid; water flush Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH/OSHA Up to 10 mg/m3: (APF = 10) Any supplied-air respirator* Up to 25 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode* Up to 50 mg/m3: (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 (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern and having 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 |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, respiratory system; apnea, coma, convulsions; conjunctivitis pain, lacrimation (discharge of tears), photophobia (abnormal visual intolerance to light), kerato-conjunctivity, corneal vesiculation; dizziness; headache; lassitude (weakness, exhaustion); irritability, insomnia; gastrointestinal disturbance | |
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Target Organs
Eyes, skin, respiratory system, central nervous system |
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| See also: INTRODUCTION See MEDICAL TESTS: 0190 |