Selenic acid

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Names

[ CAS No. ]:
7783-08-6

[ Name ]:
Selenic acid

[Synonym ]:
selenite acid
MFCD00012191
selenic asid
selenate acid
H2SeO4
UN1905
EINECS 231-979-4
selenium acid
Selenic acid
dihydroxidodioxidoselenium

Chemical & Physical Properties

[ Density]:
1.407 g/mL at 25 °C

[ Boiling Point ]:
260°C

[ Melting Point ]:
58°C

[ Molecular Formula ]:
H2O4Se

[ Molecular Weight ]:
144.973

[ Flash Point ]:
>230 °F

[ Exact Mass ]:
145.911835

[ PSA ]:
74.60000

[ Index of Refraction ]:
n20/D 1.5174(lit.)

[ Stability ]:
Stable, but decomposes on heating. Non-flammable. Incompatible with metals, combustible materials. Hygroscopic.

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VS6575000
CHEMICAL NAME :
Selenic acid
CAS REGISTRY NUMBER :
7783-08-6
LAST UPDATED :
199712
DATA ITEMS CITED :
24
MOLECULAR FORMULA :
H2-O4-Se
MOLECULAR WEIGHT :
144.98
WISWESSER LINE NOTATION :
..H2.SE-O4

Safety Information

[ Symbol ]:

GHS06, GHS08, GHS09

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301-H331-H373-H410

[ Precautionary Statements ]:
P261-P273-P301 + P310-P311-P501

[ Hazard Codes ]:
T: Toxic;

[ Risk Phrases ]:
R23/24/25;R34

[ Safety Phrases ]:
S23-S26-S36/37/39-S45-S61-S60-S28-S20/21

[ RIDADR ]:
UN 3264 8/PG 1

[ RTECS ]:
VS6575000

[ Packaging Group ]:
I

[ Hazard Class ]:
8

Synthetic Route

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Related Compounds

  • phenylselenic acid
  • selenic acid,sodium
  • copper,selenic acid
  • hydrazine,selenic acid
  • Selenic acid,dicesium salt
  • Selenic acid,disodium salt
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  • (4-Amino-2-trifluoromethyl-phenyl)-acetic acid
  • 2-(4-Amino-2-chloro-5-methylphenyl)acetic acid
  • 6-(furan-2-yl)-2-(tetrahydrofuran-2-ylmethyl)-2,3,4,6-tetrahydro-1H-[1,3,5]triazino[1',2':3,4][1,3,5]triazino[1,2-a]benzimidazole
  • 2-(2-methoxyethyl)-6-(thiophen-2-yl)-2,3,4,6-tetrahydro-1H-[1,3,5]triazino[1',2':3,4][1,3,5]triazino[1,2-a]benzimidazole
  • 2-(furan-2-ylmethyl)-6-(thiophen-2-yl)-2,3,4,6-tetrahydro-1H-[1,3,5]triazino[1',2':3,4][1,3,5]triazino[1,2-a]benzimidazole
  • 7-(2-methoxyethyl)-2-(4-methoxyphenyl)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one
  • 2-(2-chlorophenyl)-7-cyclopentylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one
  • 2-(4-Hydroxy-2-methoxyphenyl)ethanimidamide
  • 3-Methoxy-5-methyl-4-nitro-1H-pyrazole-1-ethanol
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