211176
Selenous acid
98%
Synonym(s):
Selenious acid
Sign In to View Organizational & Contract Pricing.
Select a Size
Change View
About This Item
Linear Formula:
H2SeO3
CAS Number:
Molecular Weight:
128.97
UNSPSC Code:
12352301
PubChem Substance ID:
NACRES:
NA.22
EC Number:
231-974-7
MDL number:
Assay:
98%
Form:
solid
Quality Segment
assay
98%
form
solid
mp
70 °C ((lit.)), 70 °C (dec.) (lit.)
solubility
water: 50 mg/mL
density
3.004 g/mL at 25 °C ((lit.)), 3.004 g/mL at 25 °C (lit.)
SMILES string
O[Se](O)=O
InChI
1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)
InChI key
MCAHWIHFGHIESP-UHFFFAOYSA-N
Application
Selenous acid can be used as a reagent to synthesize:
- α-Ketoacectals by reacting with acetophenones and triethylorthoformate in the presence of boron trifluoride etherate as a catalyst.
- 4-Formyl-7-methylcoumarin using 4,7-dimethylcoumarin in the presence of xylene as a solvent.
- Selenium substituted quinoxaline derivatives from 2,3-dichloro quionoxaline.
Still not finding the right product?
Explore all of our products under Selenous acid
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2
Storage Class
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Choose from one of the most recent versions:
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.