Global Information Lookup Global Information

Selenic acid information


Selenic acid
Structural formula of selenic acid
Structural formula of selenic acid
Space-filling model of selenic acid
Space-filling model of selenic acid
Names
IUPAC name
Selenic(VI) acid
Other names
Selenic acid
Identifiers
CAS Number
  • 7783-08-6 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:18170 checkY
ChemSpider
  • 1058 checkY
ECHA InfoCard 100.029.072 Edit this at Wikidata
EC Number
  • 231-979-4
KEGG
  • C05697 checkY
PubChem CID
  • 1089
RTECS number
  • VS6575000
UNII
  • HV0Y51NC4J checkY
UN number 1905
CompTox Dashboard (EPA)
  • DTXSID2064818 Edit this at Wikidata
InChI
  • InChI=1S/H2O4Se/c1-5(2,3)4/h(H2,1,2,3,4) checkY
    Key: QYHFIVBSNOWOCQ-UHFFFAOYSA-N checkY
  • InChI=1/H2O4Se/c1-5(2,3)4/h(H2,1,2,3,4)
    Key: QYHFIVBSNOWOCQ-UHFFFAOYAI
SMILES
  • O[Se+2]([O-])([O-])O
Properties
Chemical formula
H2SeO4
Molar mass 144.9734 g/mol
Appearance Colorless deliquescent crystals
Density 2.95 g/cm3, solid
Melting point 58 °C (136 °F; 331 K)
Boiling point 260 °C (500 °F; 533 K) (decomposes)
Solubility in water
130 g/(100 mL) (30 °C)
Acidity (pKa) pKa1 = −3
pKa2 = 1.9[1]
Conjugate base Biselenate
Magnetic susceptibility (χ)
−51.2·10−6 cm3/mol
Refractive index (nD)
1.5174 (D-line, 20 °C)
Structure
Molecular shape
tetrahedral at Se
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Corrosive, highly toxic
GHS labelling:[2]
Pictograms
GHS05: CorrosiveGHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
Signal word
Danger
Hazard statements
H301, H315, H318, H331, H373, H410
Precautionary statements
P260, P261, P264, P270, P271, P273, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P310, P311, P314, P321, P330, P332+P313, P362, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard OX: Oxidizer. E.g. potassium perchlorate
3
0
2
OX
Related compounds
Other anions
selenious acid
hydrogen selenide
Other cations
sodium selenate
potassium selenate
Related compounds
  • Sulfuric acid
  • Selenium dioxide
  • Selenium trioxide
  • Telluric acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)
Infobox references

Selenic acid is the inorganic compound with the formula H2SeO4. It is an oxoacid of selenium, and its structure is more accurately described as O2Se(OH)2. It is a colorless compound. Although it has few uses, one of its salts, sodium selenate is used in the production of glass and animal feeds.[3]

  1. ^ Magdi Selim, H. (2011-03-15). Dynamics and Bioavailability of Heavy Metals in the Rootzone. CRC Press. ISBN 9781439826232.
  2. ^ "Selenic acid". pubchem.ncbi.nlm.nih.gov. Retrieved 16 December 2021.
  3. ^ Bernd E. Langner "Selenium and Selenium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. doi:10.1002/14356007.a23_525.

and 25 Related for: Selenic acid information

Request time (Page generated in 0.808 seconds.)

Selenic acid

Last Update:

Selenic acid is the inorganic compound with the formula H2SeO4. It is an oxoacid of selenium, and its structure is more accurately described as O2Se(OH)2...

Word Count : 615

Selenic

Last Update:

Look up selenic in Wiktionary, the free dictionary. Selenic may refer to: Selenic acid relative to The Moon This disambiguation page lists articles associated...

Word Count : 49

Selenous acid

Last Update:

selenium; the other being selenic acid. Selenous acid is analogous to sulfurous acid, but it is more readily isolated. Selenous acid is easily formed upon...

Word Count : 570

Sulfuric acid

Last Update:

Sulfuric acid (American spelling and the preferred IUPAC name) or sulphuric acid (Commonwealth spelling), known in antiquity as oil of vitriol, is a mineral...

Word Count : 7200

Oxyacid

Last Update:

An oxyacid, oxoacid, or ternary acid is an acid that contains oxygen. Specifically, it is a compound that contains hydrogen, oxygen, and at least one...

Word Count : 1761

Selenium

Last Update:

ISBN 978-0-471-07715-2. The report describes the synthesis of selenic acid. Lenher, V. (April 1902). "Action of selenic acid on gold". Journal of the American Chemical Society...

Word Count : 10993

Gold compounds

Last Update:

most acids. It does not react with hydrofluoric, hydrochloric, hydrobromic, hydriodic, sulfuric, or nitric acid. It does react with selenic acid, and...

Word Count : 1477

Gold

Last Update:

most acids. It does not react with hydrofluoric, hydrochloric, hydrobromic, hydriodic, sulfuric, or nitric acid. It does react with selenic acid, and...

Word Count : 15960

Selenium acid

Last Update:

Selenium acid may refer to either of the following: Selenious acid, H2SeO3 Selenic acid, H2SeO4 Hydroselenic acid, H2Se This disambiguation page lists...

Word Count : 50

Selenium compounds

Last Update:

agent in fireworks. Selenium trioxide may be synthesized by dehydrating selenic acid, H2SeO4, which is itself produced by the oxidation of selenium dioxide...

Word Count : 1333

Telluric acid

Last Update:

Telluric acid, or more accurately orthotelluric acid, is a chemical compound with the formula Te(OH)6, often written as H6TeO6. It is a white crystalline...

Word Count : 576

Eilhard Mitscherlich

Last Update:

substance that itself was not consumed in the reaction. He obtained selenic acid in 1827 and showed that its salts are isomorphous with the sulphates...

Word Count : 1569

Potassium selenate

Last Update:

2SeO 4, is an odorless, white solid that forms as the potassium salt of selenic acid. Potassium selenate is produced by the reaction of selenium trioxide...

Word Count : 187

Selenium trioxide

Last Update:

under normal conditions. One method entails dehydration of anhydrous selenic acid with phosphorus pentoxide at 150–160 °C. Another method is the reaction...

Word Count : 547

List of UN numbers 1901 to 2000

Last Update:

Poison Hydrochloride (UN No. no longer in use) UN 1905 8 Selenic Acid UN 1906 8 Sludge Acid UN 1907 8 Soda lime with more than 4 percent sodium hydroxide...

Word Count : 175

Tellurous acid

Last Update:

Tellurous acid is an inorganic compound with the formula H2TeO3. It is the oxoacid of tellurium(IV). This compound is not well characterized. An alternative...

Word Count : 201

Riley oxidation

Last Update:

loss of water, a second equivalent of water attacks the alpha position. Selenic acid is liberated in the final step to give the 1,2-dicarbonyl product. Allylic...

Word Count : 812

Nonmetal

Last Update:

ability of selenic acid [H2SeO4] to bring metallic gold [Au] into solution, and the absence of this property in sulfuric [H2SO4] and [H2TeO4] acids." Some...

Word Count : 18838

Selenate

Last Update:

strongly acidic conditions, the hydrogen selenate ion, HSeO− 4, is formed. It corresponds to the selenic acid, H2SeO4, which is a strong acid and can in...

Word Count : 636

Chalcogen

Last Update:

and +4. There are many acids containing chalcogens, including sulfuric acid, sulfurous acid, selenic acid, and telluric acid. All hydrogen chalcogenides...

Word Count : 8271

Selenoyl fluoride

Last Update:

fluoride can be formed by the action of warm fluorosulfonic acid on barium selenate or selenic acid. SeO3 + SeF4 can give this gas along with other oxyfluorides...

Word Count : 245

Caesium selenate

Last Update:

selenate can be obtained from the reaction of caesium carbonate and selenic acid solution: Cs 2 CO 3 + H 2 SeO 4 ⟶ Cs 2 SeO 4 + H 2 O + CO 2 {\displaystyle...

Word Count : 319

Glossary of chemical formulae

Last Update:

acid 7783-00-8 H2SeO4 selenic acid 7783-08-6 H2SiO3 silicic acid 7699-41-4 H2TeO3 tellurous acid 10049-23-7 H2TiO3 titanic acid H3AsO4 arsenic acid 7778-39-4...

Word Count : 107

List of inorganic compounds

Last Update:

Scandium(III) oxide – Sc2O3 Scandium(III) triflate – Sc(OSO2CF3)3 Selenic acid – H2SeO4 Selenious acid – H2SeO3 Selenium dibromide – SeBr2 Selenium dioxide – SeO2...

Word Count : 8726

Zirconium selenate

Last Update:

formula Zr(SeO4)2. Its tetrahydrate can be obtained by the reaction of selenic acid and a saturated aqueous solution of zirconium oxychloride octahydrate...

Word Count : 226

PDF Search Engine © AllGlobal.net