对光敏感。能被二氧化硫和肼等还原为元素碲。在10℃以下时与4分子水生成结晶,130℃失去2分子结晶水,加热生成三氧化碲,500℃以上生成二氧化碲。溶于水、稀硝酸和碱性溶液,不溶于乙醇。 在定量分析中,用以分离溴化物和氯化物(溴化物被氧化)。 Telluric acids exist in both cubic and monoclinic crystalline forms. It may be prepared by treating tellurium and tellurous acid with strong oxidants.
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Telluric acid
Dangerous GoodsCAS number:7803-68-1 molecular formula:H6TeO6
overview
compound introduction
Specs
| Chinese alias | 原碲酸 | ||
| English alias | Tellurium Acid | TELLURIC(VI) ACID [MI] | hexahydroxidotellurium | H6TeO6 | TELLURIUM HEXAHYDROXIDE | Telluric acid, purum, >=99.0% (T) | Tellursaure | CCRIS 9168 | Orthotelluric acid | (tetrahydroxyhydroxytellanyl)ol | UNII-WE1KZR49WU | D92682 | [Te(OH)6 | ||
| CAS number | 7803-68-1 | molecular formula | H6TeO6 |
| molecular weight | 229.64 g/mol | Exact mass | - |
| PSA | 121.000 Ų | logp | - |
numbering system
No numbering system information yet
physicochemical properties
No physical and chemical property information yet
Safety information
pictogram:
GHS07
Signal word:
Warning
Hazard Statement:
H332: 吸入有害
Statement of Preventive Measures:
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P271: 仅在室外或通风良好的地方使用。 P304+P340: 如误吸入:将人转移到空气新鲜处,保持呼吸舒适体位。 P317: 寻求紧急医疗救助。
WGK Germany:
3
Personal protective equipment:
dust mask type N95 (US),Eyeshields,Gloves
RTECS:
WY2350000
UN Number:
3284
Packing Group:
III
Production methods and uses
No production method and use information yet
Related
upstream information
No upstream information yet
downstream information
No downstream information yet
MSDS
Found 1 shareMSDS
7803-68-1 | Telluric acid.pdf





