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Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People
The National Institute for Occupational Safety and Health (NIOSH)

Copper fume (as Cu)

Related Pages Synonyms & Trade Names Black copper oxide fume, Copper monoxide fume, Copper(II) oxide fume, Cupric oxide fume [Note: Also see specific listing for Copper (dusts and mists).] CAS No. 1317-38-0 (CuO) RTECS No. GL7900000 (CuO) DOT ID & Guide Formula CuO/​Cu Conversion IDLH 100 mg/m3 (as Cu)
See: 1317380 Exposure Limits
NIOSH REL
TWA 0.1 mg/m3
OSHA PEL
TWA 0.1 mg/m3 Measurement Methods NIOSH 7029 , 7300 , 7301 , 7303;
OSHA ID121 , ID125G , ID206
See: NMAM or OSHA Methods Physical Description Finely divided black particulate dispersed in air. [Note: Exposure may occur in copper & brass plants and during the welding of copper alloys.] Molecular Weight 79.5 Boiling Point Decomposes Melting Point 1879°F (Decomposes) Solubility Insoluble Vapor Pressure 0 mmHg (approx) Ionization Potential NA Specific Gravity 6.4 (CuO) Flash Point NA Upper Exposive Limit NA Lower Explosive Limit NA CuO: Noncombustible Solid Incompatibilities & Reactivities CuO: Acetylene, zirconium [Note: See Copper (dusts and mists) for properties of Copper metal.] Exposure Routes inhalation, skin and/or eye contact Symptoms irritation eyes, upper respiratory system; metal fume fever: chills, muscle ache, nausea, fever, dry throat, cough, lassitude (weakness, exhaustion); metallic or sweet taste; discoloration skin, hair Target Organs Eyes, skin, respiratory system (increased risk with Wilson's disease) Personal Protection/Sanitation (See protection codes)
Skin:No recommendation
Eyes:No recommendation
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation
First Aid (See procedures)


Breathing:Respiratory support
Respirator Recommendations

NIOSH/OSHA

Up to 1 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 2.5 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 5 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 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 = 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

Important additional information about respirator selection

See also INTRODUCTION   ICSC CARD: 0240   MEDICAL TESTS: 0057 Page last reviewed: November 29, 2018 Content source: National Institute for Occupational Safety and Health

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