Molecular Formula | Yb |
Molar Mass | 173.04 |
Density | 6.54g/mLat 25°C(lit.) |
Melting Point | 824°C(lit.) |
Boling Point | 1196°C(lit.) |
Water Solubility | It reacts slowly with water and is soluble in dilute acids. |
Appearance | powder |
Specific Gravity | 6.97 |
Color | Silver-gray |
Exposure Limit | ACGIH: TWA 2 ppm; STEL 4 ppmOSHA: TWA 2 ppm(5 mg/m3)NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3) |
Merck | 13,10160 |
Storage Condition | Flammables area |
Sensitive | Air & Moisture Sensitive |
MDL | MFCD00011286 |
Use | Ytterbium can improve the performance of stainless steel and is used to make stress gauges. It is also used to make other alloys containing ytterbium. |
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable R36/38 - Irritating to eyes and skin. |
Safety Description | S36 - Wear suitable protective clothing. S33 - Take precautionary measures against static discharges. S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
UN IDs | UN 3089 4.1/PG 2 |
WGK Germany | 3 |
RTECS | ZG1925000 |
TSCA | Yes |
HS Code | 28053090 |
Hazard Class | 4.2 |
Packing Group | I |