碲 ≥99.99% metals basis, granular,5-50 mesh
Tellurium
品牌：桔子
产品编号：V34012
CAS号：13494-80-9
分子式：Te
分子量：127.6
MDL：MFCD00134062
| 产品名称 : | 碲 |
|---|---|
| 英文名称 : | Tellurium |
| 参考名称 : | 碲 |
| 参考英文名称 : | Tellurium |
| CAS号 : | 13494-80-9 |
| 分子式 : | Te |
| 分子量 : | 127.6 |
| SMILES : | [Te] |
| MDL NO : | MFCD00134062 |
| PubChem CID : | 6327182 |
| InChIKey : | PORWMNRCUJJQNO-UHFFFAOYSA-N |
| 储存条件 : | RT |
实验性质
| 外观 / 形态 : | CBI；DARK GREY-TO-BROWN AMORPHOUS POWDER, WITH METAL CHARACTERISTICS OR SILVERY-WHITE, LUSTROUS CRYSTALLINE SOLID.；Grayish-white, lustrous, brittle, crystalline solid; dark-gray to brown, amorphous powder with metallic characteristics. Used as a coloring agent in chinaware, porcelains, enamels, glass; producing black finish on silverware; semiconductor devices and research; manufacturing special alloys of marked electrical resistance. Improves mechanical properties of lead; powerful carbide stabilizer in cast iron, tellurium vapor in "daylight" lamps, vulcanization of rubber. Blasting caps. Semiconductor research. (EPA, 1998)；Odorless, dark-gray to brown, amorphous powder or grayish-white, brittle solid.；Odorless, dark-gray to brown, amorphous powder or grayish-white, brittle solid; [NIOSH]；Toxic by inhalation, skin absorption, or ingestion. May be solid or liquid. |
|---|---|
| 颜色 / 形态 : | Grayish-white, lustrous, brittle, crystalline solid, hexagonal, rhombohedral structure；Dark-gray to brown, amorphous powder with metal characteristics |
| 熔点 : | 449.5 °C；449.51 °C；449.8 °C；842 °F；842 °F (EPA, 1998) |
| 沸点 : | 1814 °F；1814 °F amorphous powder; 2534 °F crystalline solid (EPA, 1998)；988 °C @760 [mm Hg]；989.8 °C；989.9 °C |
| 密度 : | 6.0-6.25 g/cm³；6.11-6.27；6.232 @25 °C；6.24；6.24 (EPA, 1998) - Denser than water; will sink |
| 折射率 : | INDEX OF REFRACTION: 1.0025; SADTLER REFERENCE NUMBER: 5272 (IR, PRISM) |
| 溶解性 : | Insol in benzene, carbon disulfide；INSOL IN HOT & COLD WATER, HYDROCHLORIC ACID; SOL IN NITRIC ACID, AQ REGIA, POTASSIUM CYANIDE, POTASSIUM HYDROXIDE, SULFURIC ACID |
| 蒸气压 : | 0 mmHg (approx)；0.75 [mm Hg] @502 °C；1 mmHg at 968 °F (EPA, 1998)；Vapor pressure between 511 and 835 °C is given by equation logP(kPa)= 6.7249-(5960.2/K) |
| 黏度 : | 1.8-1.95 cP |
| 自燃温度 : | 340 °C |
| 热分解说明 : | When heated to decomposition it emits toxic fumes of /tellurium/. |
| 气味 : | Odorless. |
计算性质
| 极性表面积 (TPSA) : | 0 Ų |
|---|---|
| 氢键供体数 : | 0 |
| 氢键受体数 : | 0 |
| 可旋转键数 : | 0 |
| 精确质量 : | 129.9062227 Da |
| 重原子数 : | 1 |
| 分子复杂度 : | 0 |
资料来源：碲产品资料页；来源页标注 PubChem CID 6327182，资料日期 2026-10-11。
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