| 融点 |
3410 °C (lit.) |
| 沸点 |
5660 °C (lit.) |
| 比重(密度) |
19.3 g/mL at 25 °C (lit.) |
| かさ密度 |
4000kg/m3 |
| 蒸気圧 |
0Pa at 3000℃ |
| 闪点 |
-23 °C |
| 貯蔵温度 |
no restrictions. |
| 外見 |
wire |
| 色 |
Silver-gray |
| 比重 |
19.3 |
| Flame Color |
Green |
| 電気抵抗率 (resistivity) |
4.9 μΩ-cm, 20°C |
| 水溶解度 |
insoluble |
| 電気伝導率 |
2× 107S/m |
| 熱伝導率 |
170 W/(m·K) |
| 比熱容量 |
Cp(crystal): 0.13 J/(g·K); Cp(gas): 0.12 J/(g·K), at 25℃ |
| Merck |
13,9884 |
| 暴露限界値 |
ACGIH TLV-TWA:3 mg/m3,as W,Respirable particulate matter — Tungsten and compounds;TLV-STEL:4 ppm
OSHA PEL-TWA:2 ppm(5 mg/m3)
NIOSH REL-TWA:2 ppm(5 mg/m3);REL-STEL:4 ppm(10 mg/m3);IDLH:25 ppm |
| 安定性： |
Stable. Dust is flammable, though not likely to present a hazard if normal good practice is used. |
| InChI |
1S/W |
| InChIKey |
WFKWXMTUELFFGS-UHFFFAOYSA-N |
| SMILES |
[W] |
| Modulus of Elasticity |
400 GPa |
| Poissons Ratio |
0.28 |
| Hardness, Brinell |
444, Converted from Vickers for 3000 kg load/10 mm ball Brinell test. Drawn and annealed. |
| Hardness, Knoop |
505, Estimated from Vickers. |
| Hardness, Rockwell A |
74, Converted from Vickers. Drawn and annealed. |
| Hardness, Vickers |
480, Drawn and annealed. |
| Shear Modulus |
156 GPa, Calculated |
| Hardness, Rockwell C |
47, Converted from Vickers. Drawn and annealed. |
| CAS データベース |
7440-33-7(CAS DataBase Reference) |
| NISTの化学物質情報 |
Tungsten(7440-33-7) |
| EPAの化学物質情報 |
Tungsten (7440-33-7) |
