Selenic acid (CAS 7783-08-6) — formula H2O4Se, molecular weight 144.98; category organic chemicals.
| CAS Number | 7783-08-6 |
|---|---|
| Molecular Formula | H2O4Se |
| Molecular Weight | 144.98 |
| Melting Point | 70 |
| Boiling Point | 260 °C (decomposes) |
| LogP | -1.6279 |
| Applications | Uses: Used to make selenates by reaction with metal oxides or hydroxides, [Ullmann], Added to chromium-plating baths to improve corrosion protection from pitting, blistering, and rusting, especially of plated automobile articles exposed to salt in the North American snow belt., Methods of Manufacturing: Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation, ... by treating calcium selenate with cadmium oxalate and hydrogen sulfide, ... by treating a soln of silver selenite with bromine and evaporating the filtered solutionn, ... by oxidizing selenium oxide with 30% hydrogen peroxide and removing water., Selenous acid is oxidized to selenic acid by strong oxidizing agents such as chlorine, chloric acid, ozone, or anodic oxidation., General Manufacturing Information: Selenic acid: ACTIVE |
| Category | Organic Chemicals |
Documented applications: Uses: Used to make selenates by reaction with metal oxides or hydroxides, [Ullmann], Added to chromium-plating baths to improve corrosion protection from pitting, blistering, and rusting, especially of plated automobile articles exposed to salt in the North American snow belt., Methods of Manufacturing: Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation, ... by treating calcium selenate with cadmium oxalate and hydrogen sulfide, ... by treating a soln of silver selenite with bromine and evaporating the filtered solutionn, ... by oxidizing selenium oxide with 30% hydrogen peroxide and removing water., Selenous acid is oxidized to selenic acid by strong oxidizing agents such as chlorine, chloric acid, ozone, or anodic oxidation., General Manufacturing Information: Selenic acid: ACTIVE.
Selenic acid is a carbon-based organic compound with CAS registry number 7783-08-6 and molecular formula H2O4Se (molecular weight 144.98), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 7783-08-6
Its molecular formula H2O4Se comprises 2 H, 4 O, 1 Se atoms.
Also known as: Selenic acid · 硒酸
Category: organic chemicals
The CAS registry number of Selenic acid is 7783-08-6.
Molecular formula H2O4Se, molecular weight 144.98.
It is also registered under: Selenic acid, 硒酸.
Recorded applications: Uses: Used to make selenates by reaction with metal oxides or hydroxides, [Ullmann], Added to chromium-plating baths to improve corrosion protection from pitting, blistering, and rusting, especially of plated automobile articles exposed to salt in the North American snow belt., Methods of Manufacturing: Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation, ... by treating calcium selenate with cadmium oxalate and hydrogen sulfide, ... by treating a soln of silver selenite with bromine and evaporating the filtered solutionn, ... by oxidizing selenium oxide with 30% hydrogen peroxide and removing water., Selenous acid is oxidized to selenic acid by strong oxidizing agents such as chlorine, chloric acid, ozone, or anodic oxidation., General Manufacturing Information: Selenic acid: ACTIVE.
Category: Organic Chemicals.
Independent reference data for Selenic acid (CAS 7783-08-6), compiled from public chemistry databases.
| CAS Registry Number | 7783-08-6 |
|---|---|
| PubChem CID | 1089 |
| Molecular formula | H2O4Se |
| IUPAC name | selenic acid |
| UNII (FDA) | HV0Y51NC4J |
| Molecular Weight | 144.98 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 145.91183 |
| Monoisotopic Mass | 145.91183 |
| Topological Polar Surface Area | 74.6 |
| Heavy Atom Count | 5 |
| Boiling Point | 260 °C (decomposes) |
|---|---|
| Melting Point | 70 |
| Melting Point | 58 °C |
| Solubility | 1300 g in 100 mL water at 30 °C |
| LogP | -1.6279 |
| Dissociation Constants | pKa1 = 1.7 |
SELENIC ACID; 7783-08-6; HV0Y51NC4J; UN1905; Acid, Selenic; Selenate, Calcium; Selenate, Ammonium; Selenate, Magnesium; Selenate, Potassium; Selenate, Monosodium; CHEBI:18170; H2SeO4; selenic acid, calcium salt; selenic acid, ammonium salt; selenic acid, magnesium salt; selenic acid, potassium salt
| Reported hazard statements | H301, H331 (86.7%), H315 (86.7%), H318 (88.9%), H373 (97.8%), H400 (97.8%), H410 (97.8%), H370 |
|---|
H301+H331 (86.7%): Toxic if swallowed or if inhaled [Danger Acute toxicity, oral; acute toxicity, inhalation]
H301 (97.8%): Toxic if swallowed [Danger Acute toxicity, oral]
Selenic acid · CAS 7783-08-6 · H2O4Se. UNII HV0Y51NC4J. Boiling Point: 260 °C (decomposes); Melting Point: 70; Melting Point: 58 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 硒酸