| Agent Name |
Cobaltous oxide |
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| CAS Number |
1307-96-6 |
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| Formula |
Co-O |
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| Major Category |
Metals |
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| Synonyms |
C.I. 77322; C.I. Pigment Black 13; CI 77322; CI Pigment Black 13; Cobalt Black; Cobalt monooxide; Cobalt monoxide; Cobalt oxide (CoO); Cobalt(2+) oxide; Cobalt(II) oxide; Monocobalt oxide; Zaffre; [ChemIDplus] UN3288 |
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| Category |
Metals, Inorganic Compounds |
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| Description |
Solid that is dark gray (commercial product), olive green, or red; [Merck Index] Green powder, insoluble in water; [MSDSonline] |
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| Sources/Uses |
Used in catalysts, dryers, waste-gas scavengers, feed additives, tungsten carbide, semiconductors, enamel coatings, and pigments for ceramics and glass; [HSDB] |
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| Comments |
May cause skin sensitization and asthma after prolonged contact; [ICSC] A skin and eye irritant; [MSDSonline] See "Cobalt." |
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| Exposure Assessment |
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| BEI |
Cobalt in urine = 15 ug/L; cobalt in blood = 1 ug/L; sample at end of shift at end of workweek; |
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| TLV (ACGIH) |
0.02 mg/m3, as Co |
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| Explanatory Notes |
mp = 1935 deg C; [MSDSonline] |
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| Adverse Effects |
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| Asthma |
Yes |
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| Skin Sensitizer |
Yes |
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| IARC Carcinogen |
Possible Carcinogen |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: COBALTOUS OXIDE
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