Selenious acid

$21.2 - $1580

Price

Brand	Packaging	Price	Product name
A2B AC42711	25g	$204	Seleniousacid
A2B AC42711	100g	$575	Seleniousacid
Rare Earth Products S3455Q	25gm	$158	Selenousacid,99.999%
Sigma-Aldrich 211176	50g	$87.1	Selenous acid
Sigma-Aldrich 211176	10g	$56.3	Selenous acid
Sigma-Aldrich 211176	250g	$298	Selenous acid
Sigma-Aldrich 229857	50g	$234	Selenous acid
Sigma-Aldrich 229857	500g	$1580	Selenous acid
Strem Chemicals 34-0100	25g	$215	Selenous acid (99.999%-Se) PURATREM
Strem Chemicals 34-0100	100g	$646	Selenous acid (99.999%-Se) PURATREM

Melting point	70 °C (dec.) (lit.)
Boiling point	684.9 °C(lit.)
Density	3.004 g/mL at 25 °C (lit.)
vapor pressure	2.7hPa at 15℃
Flash point	690°C
storage temp.	Store at RT.
solubility	H₂O: soluble
form	powder
pka	2.46(at 25℃)
color	White to almost white or light pink
Specific Gravity	3.004
PH	3.15(1 mM solution);2.47(10 mM solution);1.9(100 mM solution)
Water Solubility	167 g/100 mL (20 ºC)
Sensitive	Hygroscopic
Merck	14,8430
Exposure limits	ACGIH: TWA 0.2 mg/m3 NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3
Stability	Stable.
InChI	1S/H2O3Se/c1-4(2)3/h(H2,1,2,3) \|\| 1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)
InChIKey	MCAHWIHFGHIESP-UHFFFAOYSA-N \|\| MCAHWIHFGHIESP-UHFFFAOYSA-N
SMILES	O[Se](O)=O \|\| O[Se](O)=O
CAS DataBase Reference	7783-00-8(CAS DataBase Reference)
EPA Substance Registry System	Selenious acid (H2SeO3) (7783-00-8)