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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 45.60
14197-18 50g 163.00
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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: H315-H319-H332-H335

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

Precautionary Statements: P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

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

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