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

Mercury Compounds, Inorganic

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" and the linked occupational disease.

Exposure Assessment
Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.02 mg/m3, as Hg

PEL (OSHA)

0.1 mg/m3, as Hg

MAK

0.02 mg/m3, as Hg, inhalable fraction

IDLH (NIOSH)

10 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
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: