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| CAS No.: | 7790-58-1 |
|---|---|
| Name: | POTASSIUM TELLURITE |
| Molecular Structure: | |
|
|
|
| Formula: | H2O3Te·2K |
| Molecular Weight: | 253.80 |
| Synonyms: | Potassiumtellurate(IV) (6CI,7CI);Telluric acid, dipotassium salt(8CI,9CI);Dipotassium tellurite;Potassium tellurate;Potassiumtellurite;Potassium tellurite;Potassium tellurium oxide;Potassium trioxotellurate(2-); |
| EINECS: | 232-213-1 |
| Melting Point: | decomposes at 460–470℃ [HAW93] |
| Solubility: | Soluble in water |
| Appearance: | White to light yellowish white powder |
| Hazard Symbols: |
 T
|
| Risk Codes: | 36/37/38-25-20/21/22 |
| Safety: | 26-45-36 |
| Transport Information: | UN 3284 6.1/PG 3 |
| PSA: | 63.19000 |
| LogP: | -0.73720 |
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Consensus Reports
Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Standards and Recommendations
OSHA PEL: TWA 0.1 mg(Te)/m3
ACGIH TLV: TWA 0.1 mg(Te)/m3
Specification
The Potassium tellurate(IV), with the CAS registry number 7790-58-1, is also known as Potassium tellurium oxide. It belongs to the product categories of Media; Microbiology; Supplements. Its EINECS number is 232-213-1. This chemical's molecular formula is H2O3Te·2K and molecular weight is 253.80. What's more, its systematic name is Dipotassium trioxotellurate. Its classification code is Human Data. Its storage temperature is 2 - 8 °C. It is used for plasma or vaccine pathological bacteria experiment.
Physical properties of Potassium tellurate(IV) are: (1)#H bond acceptors: 3; (2)#H bond donors: 2; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 57.53 Å2.
Preparation: anhydrous tellurous acid potassium is prepared by the complete dehydration of trihydrate tellurous acid potassium under vacuum condition. It also can be prepared by tellurium dioxide and potassium carbonate in equimolar ratio by fusing. The crystals of tellurous acid potassium are produced after cooling.
When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation, in contact with skin and if swallowed. It is irritating to eyes, respiratory system and skin. It is toxic if swallowed. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing. In case of accident or if you feel unwell, you must seek medical advice immediately (show the label where possible).
You can still convert the following datas into molecular structure:
(1)SMILES: [K+].[K+].[O-][Te]([O-])=O
(2)Std. InChI: InChI=1S/2K.H2O3Te/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
(3)Std. InChIKey: BFPJYWDBBLZXOM-UHFFFAOYSA-L
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mammal (species unspecified) | LDLo | unreported | 20mg/kg (20mg/kg) | NRC Technical Translation. Vol. 1283, Pg. 1, 1967. | |
| man | TDLo | oral | 40mg/kg/7D (40mg/kg) | BEHAVIORAL: SLEEP BEHAVIORAL: ANOREXIA (HUMAN GASTROINTESTINAL: NAUSEA OR VOMITING | NRC Technical Translation. Vol. 1283, Pg. 1, 1967. |