SoleChem

Arsenic trioxide

CAS
1327-53-3
EC
215-481-4
Mol. Weight
197.841 g/mol

Description

Arsenic trioxide (CAS 1327-53-3), also known as white arsenic, is an inorganic oxide sourced for pharmaceutical manufacturing and metallurgical processing. It functions as a biocidal and chemical intermediate in tightly regulated industrial and medical supply chains.

In oncology drug manufacturing, it is the active pharmaceutical ingredient in treatments for acute promyelocytic leukemia, requiring pharmaceutical-grade supply with strict purity documentation.

Non-ferrous metal refining operations use it as a byproduct intermediate in copper and gold smelting, where it must be captured, processed, and handled under controlled conditions.

Glass manufacturing historically employed it as a fining agent to remove bubbles from molten glass, and this application persists in specialty glass production for specific industrial uses.

Wood preservation formulations, particularly in chromated copper arsenate systems, represent a legacy industrial use still active in certain regulated markets across the globe today.

Arsenic trioxide is supplied as a white powder or in refined crystalline form. Pharmaceutical-grade material is available to USP and EP specifications for global distribution.

Documented purity levels are required for API supply chains. Technical-grade material is supplied for metallurgical and industrial applications, with buyers typically requiring a certificate of analysis.

Compliance documentation is essential given the substance's regulatory status. Our supply chain ensures that all safety protocols and handling requirements are met for every industrial shipment.

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Safety & Handling (Learn More)

Danger GHS05 GHS06 GHS08 GHS09 GHS07
Hazard Statements
H300 Fatal if swallowed [Danger Acute toxicity, oral]
H314 Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H350 May cause cancer [Danger Carcinogenicity]
H400 Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
H410 Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
H315 Causes skin irritation [Warning Skin corrosion/irritation]
H318 Causes serious eye damage [Danger Serious eye damage/eye irritation]
H341 Suspected of causing genetic defects [Warning Germ cell mutagenicity]
H360 May damage fertility or the unborn child [Danger Reproductive toxicity]
H370 Causes damage to organs [Danger Specific target organ toxicity, single exposure]
H372 Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
H331 Toxic if inhaled [Danger Acute toxicity, inhalation]

Documentation

Other Names

White arsenic|Diarsenic oxide|As₂O₃|Arsenous oxide|Arsenious oxide|Arsenious Acid Anhydride|Arsenious Acid|Arsenigen Saure

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