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Sodium selenite, 100 g

≥99 %, p.a.
Icon_EVE-EUD Please consider that this product might be liable to some legal sanctions as for example to obtain an end user declaration or the prohibition of some applications. For details please do contact your counterpart in our sales department!
Examples of effect: In smaller quantities, lead to immediate serious damage to health or death. Safety: Do not inhale, touch or swallow. Wear work safety equipment. Call a poison control centre or doctor immediately. Recovery position.
Examples of effect: Are harmful to aquatic organisms, toxic or highly toxic, acute or with long-term effects. Safety: To be disposed of as hazardous waste only, do not allow into the environment under any circumstances.
i fatal if swallowed or if inhaled, causes skin irritation, may cause an allergic skin reaction, causes serious eye irritation, toxic to aquatic life with long lasting effects
P260 P273 P280 P301+P310 P302+P352 P308+P313
i do not breathe dust, avoid release to the environment, wear protective gloves/protective clothing/eye protection/face protection, IF SWALLOWED: Immediately call a POISON CENTER/doctor, IF ON SKIN: Wash with plenty of soap and water, IF exposed or concerned: Get medical advice/attention
Pack Qty.
Empirical formula Na2SeO3
Molar mass (M) 172,94 g/mol
Density (D) 3,1 g/cm³
ADR 6.1 I
CAS No. [10102-18-8]
EG-Nr. 233-267-9
UN-Nr. 2630

€34.95/Pack Qty. 

excl. VAT. | 100 g per Pack Qty.

Art. No. 1E0Y.1

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Sodium selenite
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1E0Y.2 250 g plastic


1E0Y.3 500 g plastic


1E0Y.4 1 kg plastic


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Downloads / MSDS

General information

Salts for Analysis

Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.

p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation

Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Type analysis

Assay (metals basis)≥99.0 %
Assay (Se)≥45.3 %
Ag (Silver)≤0.001 %
As (Arsenic)≤0.001 %
Cd (Cadmium)≤0.0005 %
Cr (Chrom)≤0.0005 %
Fe (Iron)≤0.001 %
Hg (Mercury)≤0.00001 %
Ni (Nickel)≤0.0005 %
Pb (Lead)≤0.002 %
Te (Tellur)≤0.01 %
In water insoluble matter≤0.2 %
Water≤0.2 %

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