Agent Name |
Mercury II sulfide |
CAS Number |
1344-48-5 |
Formula |
Hg-S |
Major Category |
Metals |
Synonyms |
Almaden; C.I. 77766; C.I. Pigment Red 106; Chinese vermilion; Ethiops mineral; Hydrargyrum sulfuratum rubrum; Mercuric Sulfide Red; Mercuric Sulfide, Black; Mercuric sulfide; Mercury monosulfide; Mercury sulphide; Mercury(2+) sulfide; Mercury(II) sulfide; Monomercury sulfide; Orange vermilion; Pigment Red 106; Pure English (Quicksilver) Vermilion; Quecksilber(II)-sulfid, rotes; Red cinnabar; Red mercury sulphide; Rotes Quecksilbersulfid; Scarlet vermilion; Vermilion; Vermilion (HgS); beta-Mercuric sulfide; [ChemIDplus] |
Category |
Metals, Inorganic Compounds |
Description |
Black or red solid; [2 entries in Merck Index] Mercuric sulfide, black is insoluble; Mercuric sulfide, red is soluble in aqua regia (separation of S) and hydriodic acid (H2S formation); [ATSDR ToxProfiles] |
Sources/Uses |
Red form used to color plastics, sealing wax, marking linen, manufacturing of fancy colored paper, and as antibacterial; Black form used as pigment for rubber, etc. [Merck Index] |
Comments |
Highly toxic after ingestion, inhalation, or skin absorption; [Hawley] See "Mercury, inorganic compounds." |
Exposure Assessment |
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; |
Skin Designation (ACGIH) |
Yes |
TLV (ACGIH) |
0.025 mg/m3, as Hg |
PEL (OSHA) | Ceiling(OSHA)=0.1 mg/m3, as Hg |
MAK |
0.1 mg/m3, as Hg |
Explanatory Notes |
Sublimes at 446 deg C (mercuric sulfide, black); sublimes at 583 deg C (mercuric sulfide, red); [ATSDR ToxProfiles] |
Adverse Effects |
Neurotoxin |
Sensorimotor Neuropathy |
Nephrotoxin |
Yes |
Links to Other NLM Databases |
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