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Cotton dust (raw) | CAS | ||
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RTECS GN2275000 | ||
Synonyms & Trade Names Raw cotton dust |
DOT ID & Guide |
Exposure Limits |
NIOSH REL: TWA <0.200 mg/m3 See Appendix C | ||
OSHA PEL: [Z-1-A & 1910.1043] TWA 1 mg/m3 (waste processing during waste recycling [sorting, blending, cleaning & willowing] & garnetting) TWA 0.200 mg/m3 (textile yarn manufacturing) TWA 0.750 mg/m3 (textile slashing & weaving) TWA 0.500 mg/m3 (all other operations) See Appendix C | |||
IDLH 100 mg/m3 | Conversion |
Physical Description Colorless, odorless solid. |
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MW: ? |
BP: Decomposes |
MLT: Decomposes |
Sol: Insoluble |
VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: ? |
Fl.P: NA |
UEL: NA |
LEL: NA |
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Combustible Solid | |||
Incompatibilities & Reactivities Strong oxidizers |
Measurement Methods OSHA [1910.1043] |
Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Breathing: Fresh air |
Respirator Recommendations
NIOSH Up to 1 mg/m3: (APF = 5) Any dust respirator Up to 2 mg/m3: (APF = 10) Any dust respirator except single-use and quarter-mask respirators/(APF = 10) Any air-purifying respirator with a high-efficiency particulate filter/(APF = 10) Any supplied-air respirator Up to 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 filter Up to 10 mg/m3: (APF = 50) Any air-purifying, full-facepiece respirator with a high-efficiency particulate filter/(APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and 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 100 mg/m3: (APF = 1000) Any supplied-air respirator 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 |
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Exposure Routes inhalation | |
Symptoms Byssinosis: chest tightness, cough, wheezing, dyspnea (breathing difficulty); decreased forced expiratory volume; bronchitis; malaise (vague feeling of discomfort); fever, chills, upper respiratory symptoms after initial exposure | |
Target Organs
cardiovascular system, respiratory system |
See also: INTRODUCTION |