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14197 Telluric acid dihydrate, 99+%

CAS Number
13451-14-4
Synonyms
Hydrogen tellurate

Stock No. Size Price ($) Quantity Availability
14197-09 10g 43.60
14197-18 50g 156.00
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Telluric acid dihydrate, 99+%

MDL
MFCD00150387
EINECS
232-267-6

Chemical Properties

Formula
H2O4Te•2H2O
Formula Weight
229.64 (193.61anhy)
Form
Crystalline
Melting point
136°
Boiling Point
160° dec.
Density
3.158
Storage & Sensitivity
Hygroscopic. Store under Nitrogen. Ambient temperatures.
Solubility
Soluble in water.

Applications

Telluric acid dihydrate is used in the preparation of tellurium nanorods through hydrazine-driven reduction, which finds application in solar cells, thermoelectric and topological insulators. It is also involved in the preparation of tellurium metal by reacting with the solution of potassium thiocyanate.

Notes

Hygroscopic. Incompatible with oxidizing agents.

Literature References

Dong, H.; Popescu, R.; Gerthsen, D.; Feldmann, C. Shape-stabilized Bi2Te3-capped Tellurium Nanorods. Z. Anorg. Allg. Chem. 2013, 639 (14), 2406-2410.

Averbuch-Pouchot, M. T.; Durif, A. Ammonium cyclo-octaphosphate-telluric acid dihydrate adduct. Acta Crystallogr., Sect. C: Cryst. Struct. Commun. 1993, 49 (2), 361-363.

GHS Hazard and Precautionary Statements

Hazard Statements: H332-H315-H319-H335

Harmful if inhaled. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Hazard Class
6.1
Packing Group
III
Harmonized Tariff Code
2811.19
TSCA
Yes
RTECS
WY2350000

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