| Agent Name |
Mercuric oxide |
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| CAS Number |
21908-53-2 |
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| Formula |
Hg-O |
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| Major Category |
Metals |
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| Synonyms |
C.I. 77760; CI 77760; Gelbes quecksilberoxyd; Hydrargyrum oxid flav; Hydrargyrum oxydatum rubrum; Mercuric Oxide, Yellow; Mercuric oxide; Mercuric oxide (HgO); Mercuric oxide [ISO]; Mercuric oxide, red; Mercury monoxide; Mercury oxide; Mercury oxide (HgO); Mercury(2+) oxide; Mercury(II) oxide; Natural montroydite; Oxide mercurique jaune; Oxido amarillo de mercurio; Oxyde de mercure [French]; Oxyde mercurique [ISO-French]; Red Precipitate; Red mercuric oxide; Red oxide of mercury; Santar; Santar M; Yellow mercuric oxide; Yellow oxide of mercury; Yellow precipitate; [ChemIDplus] UN1641 |
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| Category |
Metals, Inorganic Compounds |
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| Description |
Yellow, orange-yellow, or red crystals; [ICSC] |
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| Sources/Uses |
Yellow mercuric oxide: used in chemical analysis; Red mercuric oxide: used in marine and porcelain paints, dry batteries, chemical reagent, and topical antiseptic; [Merck Index] Yellow mercuric oxide: used as fungicide and paste for treating fruit and rubber trees; [HSDB] |
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| Comments |
A skin, eye, and respiratory tract irritant; Toxic to the kidneys; [ICSC] Toxic by ingestion, inhalation, and skin absorption; [CAMEO] See "Mercury, inorganic compounds." |
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| Exposure Assessment |
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| BEI |
Total inorganic Hg in urine = 35 ug/g creatinine; sample pre-shift; Total inorganic Hg in blood = 15 ug/L; sample at end of shift at end of workweek; |
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| Skin Designation (ACGIH) |
Yes |
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| TLV (ACGIH) |
0.025 mg/m3, as Hg |
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| PEL (OSHA) | Ceiling(OSHA)=0.1 mg/m3, as Hg |
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| MAK |
0.1 mg/m3, as Hg |
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| Adverse Effects |
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| Neurotoxin |
Sensorimotor Neuropathy |
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| Nephrotoxin |
Yes |
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| Links to Other NLM Databases |
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