CAS No.1303-33-9,ARSENIC (III) SULFIDE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	1303-33-9
Name:	ARSENIC (III) SULFIDE

Formula:	As₂S₃
Molecular Weight:	246.04
Synonyms:	Arsenicsesquisulfide;Arsenic sesquisulfide (As2S3);Arsenic sulfide;Arsenic sulfide(As0.4S0.6);Arsenic sulfide (AsS1.5);Arsenic trisulfide;Arsenic trisulfide(As2S3);Arsenic yellow;Arsenic(III) sulfide;Arsenious sulfide;Arsenoussulfide;Auripigment;Auripigmentum;C.I. 77086;C.I. Pigment Yellow 39;Diarsenic trisulfide;Pigment Yellow 39;
EINECS:	215-117-4
Density:	3.43 g/mL at 25 °C(lit.)
Melting Point:	300 °C(lit.)
Boiling Point:	707 °C
Flash Point:	707°C
Solubility:	Insoluble in water
Appearance:	yellow to orange powder
Hazard Symbols:	T, N
Risk Codes:	23/25-50/53
Safety:	20/21-28-45-60-61
Transport Information:	UN 1557 6.1/PG 2
PSA:	89.48000
LogP:	1.40800

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Consensus Reports

IARC Cancer Review: Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 23 (1980),p. 39.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory. Arsenic and its compounds are on the Community Right-To-Know List.

Standards and Recommendations

OSHA PEL: OSHA: Cancer Hazard
ACGIH TLV: TWA 0.01 mg/m³; Confirmed Human Carcinogen; BEI: 35 μ (As)/L inorganic arsenic and methylated metabolites in urine
NIOSH REL: (Arsenic, Inorganic) CL 2 µg(As)/m³/15 M
DOT Classification: 6.1; Label: Poison

Specification

The Arsenic sulfide, with the cas registry number 1303-33-9, has the IUPAC name of arsenic(3+) trisulfide. This is a kind of yellow to orange powder and is insoluble in water. And this chemical may react with oxidizing agents to generate heat and the products may be flammable, combustible, or otherwise reactive, with the reactions being violent. In addition, its product categorie are including Inorganics; UVCBs-inorganic.

The characteristics of this chemical are as follows: (1)H-Bond Acceptor: 3; (2)Exact Mass: 245.759405; (3)MonoIsotopic Mass: 245.759405; (4)Topological Polar Surface Area: 3; (5)Heavy Atom Count: 5; (6)Covalently-Bonded Unit Count: 5; (7)Melting Point: 300 °C(lit.); (8)Boiling point: 707 °C; (9)Flash Point: 707°C; (10)Density: 3.43 g/mL at 25 °C(lit.).

The production method of this chemical is below: hydro-titanium dioxide from the titanium white by sulfuric acid process has the complete washing and then be stilled into the pulping jar, and then add some chemicals containing some nickel and antimony with certain proportion and some finishing agent; Next have the complete mix by a certain degree of concentration, and then have the filtering to still the filter cake into the rotary kiln; In addition, burn it at 1000℃ to have the conversion. In the end, you could get the products.

As to its usage, it is widely applied in many ways. With the better weather fastness [resistance] and durability than Rutile type Titanium Dioxide, it could be used in coil coatings, Automotive Paint, aircraft coating and also in the coating for scutcheon and road sign; With the high stability, it could be used as the high-temperature paint and also in the equipment and wall paint, cement paint, latex paint and cold coating; Then it could be used in the toy coatings and toys rubber.

When you are using this chemical, you should be very cautious. For one thing, it is toxic which may at low levels cause damage to health. If by inhalation and if swallowed, it will be dangerous. For another thing, it is dangerous for the environment which may present an immediate or delayed danger to one or more components of the environment. Being very toxic to aquatic organisms, it may cause long-term adverse effects in the aquatic environment.

Therefore, you should take the following instructions to protect yourself. When using do not eat, drink or smoke. And if in case of accident or if you feel unwell seek medical advice immediately (show the label where possible). After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer). When store it, this material and its container must be disposed of as hazardous waste. And avoid releasing to the environment and you could also refer to special instructions/safety data sheet.

Additionally, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [S-2].[S-2].[S-2].[As+3].[As+3]
(2)InChI: InChI=1S/2As.3S/q2*+3;3*-2
(3)InChIKey: CUGMJFZCCDSABL-UHFFFAOYSA-N

Below are the toxicity information of this chemical:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	215mg/kg (215mg/kg)	BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 28(7), Pg. 53, 1984.
mouse	LD50	oral	254mg/kg (254mg/kg)	BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 28(7), Pg. 53, 1984.
rat	LD50	oral	185mg/kg (185mg/kg)	BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 28(7), Pg. 53, 1984.
rat	LD50	skin	936mg/kg (936mg/kg)		Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 28(7), Pg. 53, 1984.