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Merck

214485

Sodium selenite

99%

Synonym(s):

Disodium selenite

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About This Item

Linear Formula:
Na2SeO3
CAS Number:
10102-18-8
Molecular Weight:
172.94
NACRES:
NA.25
PubChem Substance ID:
57647927
UNSPSC Code:
12352302
EC Number:
233-267-9
MDL number:
MFCD00003489
assay:
99%

Product Name

Sodium selenite, 99%

InChI key

BVTBRVFYZUCAKH-UHFFFAOYSA-L

InChI

1S/2Na.H2O3Se/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

SMILES string

[Na+].[Na+].[O-][Se]([O-])=O

assay

99%

mp

>350 °C (lit.)

Quality Level

300

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Related Categories

pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

supp_hazards

EUH031

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ8723
MKCZ2500
MKCX5941
MKCX2848
MKCT7508

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What is Product 214485, Sodium selenite, soluble in?

    Sodium selenite is soluble in water (50 mg/mL), yielding a clear to slightly hazy, colorless to very faint yellow solution.

  4. How stable is Product 214485, Sodium selenite, in solution?

    Stock solutions of sodium selenite may be frozen.  Working aliquots are stable for 30 days at 2-8 °C.

  5. How should Product 214485, Sodium selenite, be stored?

    Sodium selenite should be stored at room temperature in a dry place.  Sodium selenite is a moisture sensitive compound.

  6. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

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