| Company Name: |
TCI (Shanghai) Development Co., Ltd.
|
| Tel: |
021-67121386 / 800-988-0390 |
| Email: |
Sales-CN@TCIchemicals.com |
| Products Intro: |
Product Name:Telluric Acid
CAS:7803-68-1
Purity:99.0% T Package:25G |
| Company Name: |
BeiJing Hwrk Chemicals Limted
|
| Tel: |
4006990298;010-57411839;0757-86311057;021-51691807 |
| Email: |
sales@hwrkchemical.com |
| Products Intro: |
Product Name:Telluricacid
CAS:7803-68-1
Purity:99.5%A00.5% Package:900RMB/25g Remarks:HWG12313 |
| Company Name: |
Shanghai Hanhong Scientific Co.,Ltd.
|
| Tel: |
021-54306202,021-54308259 |
| Email: |
info@hanhonggroup.com |
| Products Intro: |
Product Name:Telluric acid
CAS:7803-68-1
Purity:98% Remarks:RA03000003 |
|
| | TELLURIC ACID Basic information |
| | TELLURIC ACID Chemical Properties |
| Melting point | 136°C | | Boiling point | 0℃ | | density | 3.068; d 3.163 | | solubility | H2O: 0.1 g/mL, clear, colorless
| | form | white monoclinic crystals | | pka | 7.7(at 25℃) | | Water Solubility | g H2TeO6/100g H2O: 16.2 (0°C), 41.6 (20°C), 155 (100°C) [LAN05]; tends to polymerize; soluble dilute HNO3 [MER06] | | λmax | 275nm(H2O)(lit.) | | Merck | 14,9120 |
| Hazard Codes | Xn | | Risk Statements | 20 | | Safety Statements | 22-36/37/39-38 | | RIDADR | UN 3284 6.1/PG 3
| | WGK Germany | 3
| | RTECS | WY2350000
| | F | 8 | | HazardClass | 6.1(a) | | PackingGroup | II |
| | TELLURIC ACID Usage And Synthesis |
| Chemical Properties | White, heavy crystals. Soluble in hot water and alkalies; slightly soluble
in cold water. | | Uses | Chemical reagent. | | Hazard | As for tellurium. | | Safety Profile | Poison by ingestion and intravenous routes. When heated to decomposition it emits toxic fumes of Te. See also TELLURIUM COMPOUNDS. | | Purification Methods | Crystallise it once from nitric acid, then repeatedly from hot water (0.4mL/g). [Fehér in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I pp 451-453 1963.] |
| | TELLURIC ACID Preparation Products And Raw materials |
|