TantalumTa
CAS-No.: | 7440-25-7 |
---|---|
UN-No.: | 3089 |
EC-No.: | 231-135-5 |
Hazard identification number: | 40 |
Hazard signs
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Occupational exposure limit
NIOSH (REL) (US)
- TWA (mg/m3) 5
- STEL (mg/m3) 10
NIOSH (US)
- IDLH (none) 2500 mg Ta/m3
OSHA (PEL) (US)
- TWA (mg/m3) 5
- H: 228
Flammable Solid.
- P: 210
Keep away from heat/
sparks/open flames/hot
surfaces. — No smoking.
- P: 240
Ground/bond container and
receiving equipment.
- P: 241
Use explosion-proof
electrical/ventilating/lighting/…/
equipment.
- P: 280
Wear protective gloves/protective clothing/eye protection/face protection.
- P: 370 + 378
In case of fire: Use ... for extinction
No statement for this group.
No GHS Classification available at the moment.
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Melting point:
2996 °C Boiling Point:
5429 °C Density (at 20 °C, if not notified otherwise):
14,491 g/cm3Ionization:
7,89 eV
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Also known as:
- Tantalum (metal and oxide dust, as Ta)
- tantalum tantalum(2+)
- Tantalum-181
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