|
|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Graphite (natural) |
CAS 7782-42-5 | ||
C |
RTECS MD9659600 | ||
|
Synonyms & Trade Names Black lead, Mineral carbon, Plumbago, Silver graphite, Stove black [Note: Also see specific listing for Graphite (synthetic).] |
DOT ID & Guide |
||
Exposure
|
NIOSH REL: TWA 2.5 mg/m3 (resp) | ||
| OSHA PEL†: TWA 15 mppcf | |||
| IDLH 1250 mg/m3 See: 7782425 | Conversion | ||
|
Physical Description Steel gray to black, greasy feeling, odorless solid. |
|||
|
MW: 12.0 |
BP: Sublimes |
MLT: 6602°F (Sublimes) |
Sol: Insoluble |
|
VP: 0 mmHg (approx) |
IP: NA |
|
Sp.Gr: 2.0-2.25 |
|
Fl.P: NA |
UEL: NA |
LEL: NA |
|
| Combustible Solid | |||
|
Incompatibilities & Reactivities Very strong oxidizers such as fluorine, chlorine trifluoride & potassium peroxide |
|||
|
Measurement Methods NIOSH 0500, 0600 See: NMAM or OSHA Methods |
|
Personal Protection & Sanitation (See protection) Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Breathing: Fresh air |
|
Important additional information about respirator selection Respirator Recommendations NIOSH 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 powered air-purifying respirator with a high-efficiency particulate filter. (APF = 25) Any supplied-air respirator operated in a continuous-flow mode 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 powered, air-purifying respirator with a tight-fitting facepiece and 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 self-contained breathing apparatus with a full facepiece (APF = 50) Any supplied-air respirator with a full facepiece Up to 1250 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 |
|
| Exposure Routes inhalation, skin and/or eye contact | |
| Symptoms Cough, dyspnea (breathing difficulty), black sputum, decreased pulmonary function, lung fibrosis | |
|
Target Organs
respiratory system, cardiovascular system |
|
| See also: INTRODUCTION See ICSC CARD: 0893 See MEDICAL TESTS: 0112 |