ARSENIC ACID,HEMIHYDRATE

Base Information

• Chemical Name: ARSENIC ACID,HEMIHYDRATE
• CAS No.: 7774-41-6
• Molecular Formula: AsH₃O₄*0H₂O
• Molecular Weight: 150.951
• Mol file: 7774-41-6.mol

Synonyms:UNII-7U320R238A;ARSENIC ACID,HEMIHYDRATE;arsoric acid hydrate;Orthoarsenic acid hemihydrate;

Chemical Property of ARSENIC ACID,HEMIHYDRATE

Chemical Property:

• Melting Point: 35.5°C
• Boiling Point: -H2Oat 160°C
• PSA: 164.75000
• Density: 2.250
• LogP: -4.40550

Purity/Quality:

99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of ARSENIC ACID,HEMIHYDRATE

There total 2 articles about ARSENIC ACID,HEMIHYDRATE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 40.0%

water (7732-18-5) + arsenic(III) trioxide → arsenic(V) oxide + hydrous arsenic acid (7774-41-6) + orthoarsenic acid (7778-39-4,121471-47-4,1327-52-2)

Guidance literature:

With HCl; In hydrogenchloride; Electrolysis; Pt or ruthenium-titanium oxide anode, W cathode; cation-exchange membrane; As2O3 suspn. in HCl (0 - 4.0 mol/l); j = 0.2 A/cm**2; 10-50°C;calcination of the residue at 280-300°C in order to obtain As2O5; crystn. at 10°C;

DOI:10.1023/A:1021831017530

Reference yield:

arsenic(V) oxide + water (7732-18-5) → arsenic acid trihydrate (7774-41-6)

Guidance literature:

In water; diln. of satd. aq. soln. of As2O5 with water; crystn. (sealed vessel, 5 months);

upstream raw materials:

water

Refernces