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ARSENIC (III) SULFIDE

ARSENIC (III) SULFIDE structure

CAS No:
1303-33-9
Formula:
As2S3
Chemical Name:
ARSENIC (III) SULFIDE
Synonyms:
king’sgold;naturalorpiment;pigmentyellow39;shio;yellowarsenicsulfide;ARSENIC TRISULFIDE;ARSENIC TRI SULPHIDE;ARSENIC SULFIDE YELLOW
Categories:
Dyes and Pigments > Pigment

Description

Arsenic sulfide is an inorganic compound that manifests itself in the form of a yellow to orange-colored solid substance. This compound is frequently encountered in its natural state as the mineral known as orpiment. Characterized by its unique and vivid hue, arsenic sulfide has played a historically notable role in a variety of industrial processes throughout history. Its presence has been particularly significant in ancient times, where it was utilized for its striking appearance in pigments, as well as in the manufacturing of certain types of glass and even in some medicinal preparations. The compound's distinctive color and properties have made it a subject of interest not only in the field of chemistry but also in the domains of art and historical preservation, where its presence in artifacts and historical documents requires careful consideration and management.

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.

Orpiment, As2S3, deep orange crystals to over 1 cm in a small group

Arsenic trisulfide is a noncombustible, odorless, yellow or orange powder or red needles (changes to a different “red” form @ 170 C).

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.

ARSENIC (III) SULFIDE Basic Attributes

Molecular Weight：

246.04

Exact Mass：

247.77500

EC Number：

215-117-4

TSCA：

TSCA listed

Color/Form：

Yellow to orange

HScode：

2813909000

Characteristics

PSA：

89.48000

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.

XLogP3：

1.40800

Appearance：

Yellow to orange Powder

Density：

3.43 g/mL at 25 °C(lit.)

Melting Point：

300 °C(lit.)

Boiling Point：

707 °C

Flash Point：

707°C

Water Solubility：

Insoluble in water. Soluble in alkali sulfides or carbonate, hot HCl

Storage Conditions：

Poison room

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.

Flammability characteristics：

Flammable; burning produces toxic sulfur oxides and arsenic fumes; reacts with water or acids to produce toxic combustible fumes

Air and Water Reactions：

Insoluble in water.

Reactivity Profile：

ARSENIC (III) SULFIDE 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 (III) SULFIDE 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.

Critical Temperature & Pressure：

Poison room

Safety Information

Packing level：

III

Hazard category：

6.1

Transport codes：

UN 1557 6.1/PG 2

wgk germany：

hazard class code：

T,N

safety instructions：

20/21-28-45-60-61

RTECS Number：

CG2638000

Marks：

T,N

Storage features：

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.

Explosive characteristics：

Reacts violently with oxidants such as hydrogen peroxide or with potassium nitrate and sulfur

Precautionary statement(s)：

P261-P273-P280-P301 + P310-P311-P501

Hazard Statements：

23/25-50/53

Hazardous Reactivities：

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.

RIDADR：

UN 1557 6.1/PG 2

Fire Hazards：

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.

Toxicity

Toxicity class：

highly toxic

Human Exposure：

ACGIH: TWA 0.01 mg/m3NIOSH: IDLH 5 mg/m3; Ceiling 0.002 mg/m3

Drug Information

Health Hazards：

(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.

ARSENIC (III) SULFIDE Use and Manufacturing

Arsenic sulfide, a compound with a rich history in various industries, finds its primary application in the manufacturing of pigments. It is particularly sought after for the production of yellow and orange dyes, where its vibrant colors are highly valued. The unique properties of arsenic sulfide make it an indispensable component in the creation of these pigments, ensuring both durability and intensity. Beyond its role in the pigment industry, arsenic sulfide also plays a crucial part in the semiconductor industry. Its semiconducting properties make it suitable for use in electronic components, where it contributes to the efficiency and performance of devices. Furthermore, arsenic sulfide serves as a valuable precursor for the synthesis of other arsenic compounds. These compounds have diverse applications, ranging from pharmaceuticals to agricultural chemicals, highlighting the versatility and importance of arsenic sulfide in modern chemistry.

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).

manufacture of glass, particularly infrared-transmitting glass; manufacture of oil cloth, linoleum; in electrical semiconductors, photoconductors; as pigment; for depilating hides; in pyrotechnics.

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Recommended Suppliers of ARSENIC (III) SULFIDE

Shaanxi Dideu Medichem Co. Ltd Contact Supplier

CN
5 YRS

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Manufactory Supplier of Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst,Chemical Materials,Chem&Pharm Intermediates,Organic Intermediates,Feed Additive

ARSENIC (III) SULFIDE CAS NO.:1303-33-9 99% Dideu-1-73875 Dideu

CAS No.: 1303-33-9

Grade: Industrial Grade

Content: 99%

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