| Identification | More | [Name]
ARSENIC (III) SULFIDE | [CAS]
1303-33-9 | [Synonyms]
ARSENIC (III) SULFIDE
ARSENIC (OUS) SULFIDE
ARSENIC SULFIDE
ARSENIC SULFIDE YELLOW
ARSENIC TRISULFIDE
ARSENIC TRI SULPHIDE
CI PIGMENT YELLOW
ai3-01006
arsenicred
arsenicsesquisulfide
arsenicsesquisulphide
arsenicsulfide(as2s3)
Arsenicsulfide,(As2S3)
arsenicsulfide[as2s3]
arsenicsulphide
arsenictersulfide
arsenictersulphide
arsenicyellow
arsenioussulfide
arsenioussulphide | [EINECS(EC#)]
215-117-4 | [Molecular Formula]
As2S3 | [MDL Number]
MFCD00003435 | [Molecular Weight]
246.04 | [MOL File]
1303-33-9.mol |
| Chemical Properties | Back Directory | [Appearance]
Arsenic trisulfide is a noncombustible, odorless,
yellow or orange powder or red needles (changes to a
different “red” form @ 170 C). | [Melting point ]
300 °C(lit.) | [Boiling point ]
707 °C | [density ]
3.43 g/mL at 25 °C(lit.)
| [Fp ]
707°C | [storage temp. ]
Poison room | [solubility ]
insoluble in H2O; soluble in alkaline solutions | [form ]
Powder | [color ]
Yellow to orange | [Specific Gravity]
3.43 | [Water Solubility ]
Insoluble in water. Soluble in alkali sulfides or carbonate, hot HCl | [Sensitive ]
moisture sensitive | [Merck ]
14,806 | [Solubility Product Constant (Ksp)]
pKsp: 21.68 | [Exposure limits]
ACGIH: TWA 0.01 mg/m3
NIOSH: IDLH 5 mg/m3; Ceiling 0.002 mg/m3 | [CAS DataBase Reference]
1303-33-9(CAS DataBase Reference) | [EPA Substance Registry System]
Arsenic trisulfide (1303-33-9) |
| Safety Data | Back Directory | [Hazard Codes ]
T,N | [Risk Statements ]
R23/25:Toxic by inhalation and if swallowed .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment . | [Safety Statements ]
S20/21:When using, do not eat, drink or smoke .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet . | [RIDADR ]
UN 1557 6.1/PG 2
| [WGK Germany ]
3
| [RTECS ]
CG2638000
| [TSCA ]
Yes | [HazardClass ]
6.1 | [PackingGroup ]
III | [HS Code ]
2813909000 | [Safety Profile]
Confirmed human
carcinogen with experimental tumorigenic
data. A poison. Reacts violently with H202,
(m03 + S). When heated to
decomposition or on contact with acid or
acid fumes it emits highly toxic fumes of
S02, H2S, and As. Reacts with water or
steam to emit toxic and flammable vapors. | [Hazardous Substances Data]
1303-33-9(Hazardous Substances Data) | [Toxicity]
mouse,LD50,intraperitoneal,215mg/kg (215mg/kg),LUNGS, THORAX, OR RESPIRATION: DYSPNEABEHAVIORAL: MUSCLE WEAKNESSGASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA",Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 28(7), Pg. 53, 1984. |
| Hazard Information | Back Directory | [General Description]
A yellow or red crystalline solid or powder. Combustible. Insoluble in water. Toxic by inhalation (dust) and ingestion. | [Reactivity Profile]
ARSENIC TRISULFIDE(1303-33-9) is dissolved by alkalis and by hydrochloric acid (slowly). Decomposed by nitric acid. May react with oxidizing agents to generate heat and products that may be flammable, combustible, or otherwise reactive. The reactions may be violent. ARSENIC TRISULFIDE(1303-33-9) reacts with concentrated solutions of chloric acid with incandescence [Mellor Supp. II Part I:584 1956]. Generates toxic gaseous hydrogen sulfide on contact with acids. | [Air & Water Reactions]
Insoluble in water. | [Health Hazard]
(Acute and sub-acute poisoning are not common.) Repeated inhalation causes irritation of nose, laryngitis, mild bronchitis. Ingestion causes weakness, loss of appetite, gastrointestinal disturbances, peripheral neuritis, occasional hepatitis. Contact with eyes causes irritation. Irritates skin, especially where moist; if not treated, may cause ulceration. | [Potential Exposure]
Arsenic trisulfide is used in the manufacture
of glass, oil cloth, linoleum, electrical semiconductors,
fireworks and used as a pigment. | [Fire Hazard]
Combustible material: may burn but does not ignite readily. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form. | [First aid]
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
15 minutes, occasionally lifting upper and lower lids. Seek
medical attention immediately. If this chemical contacts the
skin, remove contaminated clothing and wash immediately
with soap and water. Seek medical attention immediately.
If this chemical has been inhaled, remove from exposure,
begin rescue breathing (using universal precautions, including
resuscitation mask) if breathing has stopped and CPR if
heart action has stopped. Transfer promptly to a medical
facility. When this chemical has been swallowed, get medical
attention. Give large quantities of water and induce
vomiting. Do not make an unconscious person vomit.
| [Shipping]
UN1557 Arsenic compounds, solid, n.o.s. inorganic,
including arsenates, n.o.s.; arsenites, n.o.s.; arsenic
sulfides, n.o.s.; and organic compounds of arsenic, n.o.s.,
Hazard Class: 6.1; Labels: 6.1-Poisonous materials. | [Incompatibilities]
A strong reducing agent; avoid contact
with oxidizers (such as perchlorates, peroxides, permanganates,
chlorates, and nitrates) and potassium nitrate mixed
with sulfur, since violent reactions occur. Water contact
forms hydrogen sulfide. Incompatible with acids, halogens.
Contact with acids or acid mists releases deadly arsine gas. | [Description]
Arsenic trisulfide is a noncombustible, odorless, yellow or orange powder or red needles (changes to adifferent “red” form at 170℃). Molecular weight= 246.04;Specific gravity: 3.43 at 20℃; Boiling point= 707℃;Freezing/Melting point= 300°327℃. Hazard Identification(based on NFPA-704 M Rating System): Health 3,Flammability 2, Reactivity 0. Insoluble in water. | [Chemical Properties]
Arsenic trisulfide is a noncombustible, odorless,
yellow or orange powder or red needles (changes to a
different “red” form @ 170 C). | [Chemical Properties]
yellow to orange powder | [Waste Disposal]
Consult with environmental
regulatory agencies for guidance on acceptable disposal
practices. Generators of waste containing this contaminant
(≥100 kg/mo) must conform with EPA regulations governing
storage, transportation, treatment, and waste disposal. | [Physical properties]
Yellow or orange monoclinic crystal or powder; a red allotrope modification also known; density 3.46 g/cm3; melts at 310°C; boils at 707°C; insoluble in water; soluble in liquid ammonia and alkalies. | [Occurrence]
Arsenic sesquisulfide occurs in nature as the mineral orpiment. It is used as a pigment; in the manufacture of infrared-transmitting glass; in semiconductors and photoconductors; in pyrotechnics; in linoleum and oil cloth; for the removal of hairs from hides; and as a reducing agent. | [Uses]
Arsenic(III) sulfide is used in the treatment of acute promyelocytic leukemia. It is an inorganic photoresist used in the fabrication of photonic crystals and 3-D nanostructures. It is also used as an acousto-optic material, pigment, tanning agent and chalcogenide glass for infrared optics. Further, it is used as an analytical test for presence of dissimilatory arsenic-reducing bacteria (DARB). | [Uses]
manufacture of glass, particularly infrared-transmitting glass; manufacture of oil cloth, linoleum; in electrical semiconductors, photoconductors; as pigment; for depilating hides; in pyrotechnics. | [Definition]
Arsenic(III) sulfide (Arsenic tri-sulfide glass) is a glassy material. It is important as the window of a cell for a sample containing water. | [Preparation]
Arsenic sesquioxide may be prepared by heating arsenic trioxide with hydrogen sulfide:
As2O3 + 3 H2S → As2S3 + 3 H2O
Alternatively, it may be precipitated out from a solution of arsenous acid or arsenic trioxide in dilute hydrochloric acid by passing hydrogen sulfide into the solution:
2H3AsO3 + 3H2S → As2S3 + 6H2O. | [Industrial uses]
As2S3 (orpiment) and As2S2 (realgar) have been used as early as 2000 BC as drugs, for example, to cure cancerous tumours, ulcers and other diseases of the time. Later, Galen (130 200 AD) recommended the application of a paste of arsenic sulfide against ulcers. | [Toxicology]
Arsenic trisulfide is obtained by fusing arsenic trioxide with sulfur is marketed as orpiment. Or piment always contains unchanged arsenic tri oxide and, unlike the pure sulfide, is poisonous. | [storage]
Color Code—Blue: Health Hazard/Poison: Store ina secure poison location. Prior to working with this chemicalyou should be trained on its proper handling and storage.Avoid contact with the incompatible materials cited above.A regulated, marked area should be established where thischemical is handled, used, or stored in compliance withOSHA Standard 1910.1045. |
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