Skip to Content
Merck
CN

Key Documents

View All Documentation

204315

Selenium dioxide

99.999% trace metals basis

Synonym(s):

NSC 56753, Selenium oxide

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
SeO2
CAS Number:
7446-08-4
Molecular Weight:
110.96
NACRES:
NA.23
PubChem Substance ID:
24852252
UNSPSC Code:
12352303
EC Number:
231-194-7
MDL number:
MFCD00003562
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

vapor pressure

1 mmHg ( 157 °C)

Quality Segment

200

assay

99.999% trace metals basis

form

solid

composition

SeO₂

reaction suitability

core: selenium

mp

315 °C (subl.) (lit.)

SMILES string

O=[Se]=O

InChI

1S/O2Se/c1-3-2

InChI key

JPJALAQPGMAKDF-UHFFFAOYSA-N

Application

Mild oxidizing reagent for allylic olefins and acetylenes. Conversion of 1,3-diketones to 1,2,3-triones.

Still not finding the right product?

Explore all of our products under Selenium dioxide

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 2

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:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library