Jump to content Jump to navigation menu

Tellurium(IV) oxide, 25 g

≥99,9 %, 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: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
Examples of effect: Have an allergenic effect, carcinogenic, mutagenic, toxic to reproduction and cause developmental toxicity (reprotoxic) or damage to organs Safety: You must be well-informed before starting work with these substances; wear protective clothing and gloves, eye protection and mask or breathing protection.
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 may cause an allergic skin reaction, harmful if inhaled, may damage the unborn child. Suspected of damaging fertility, may cause harm to breast-fed children, toxic to aquatic life with long lasting effects
P202 P261 P273 P280 P302+P352 P308+P313
i do not handle until all safety precautions have been read and understood, avoid breathing dust, avoid release to the environment, wear protective gloves/eye protection, IF ON SKIN: Wash with plenty of water, IF exposed or concerned: Get medical advice/attention
Pack Qty.
Tellurium dioxide
Empirical formula TeO2
Molar mass (M) 159,61 g/mol
Density (D) 5,9 g/cm³
Boiling point (bp) 1245 °C
Melting point (mp) 733 °C
CAS No. 7446-07-3
EG-Nr. 231-193-1
UN-Nr. 3077

€83.75/Pack Qty. 

excl. VAT. | 25 g per Pack Qty.

Art. No. 0321.2

In production
from 6 Pack Qty. €79.56/Pack Qty.
from 24 Pack Qty. €75.38/Pack Qty.
Tellurium(IV) oxide
Selected quantity:   0
  1. Subtotal:  0.00
Art. No. Pack Qty. Pack. Price Quantity
0321.1 10 g plastic


0321.2 25 g plastic


0321.3 50 g plastic


In stock
In procurement
No longer available
Delivery date currently unknown
Selected quantity:   0
  1. Subtotal:  0.00

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:

Guarantee analysis

Assay≥99,9 %
Arsenic (As)≤0,005 %
Bismuth (Bi)≤0,001 %
Lead (Pb)≤0,001 %
Cadmium (Cd)≤0,001 %
Iron (Fe)≤0,005 %
Copper (Cu)≤0,001 %
Nickel (Ni)≤0,001 %
Silver (Ag)≤0,001 %
Zinc (Zn)≤0,001 %
Moisture≤0,2 %