'%3e%3cpath%20d='M12%2023.5C18.0751%2023.5%2023%2018.5751%2023%2012.5C23%206.42487%2018.0751%201.5%2012%201.5C5.92487%201.5%201%206.42487%201%2012.5C1%2018.5751%205.92487%2023.5%2012%2023.5Z'%20stroke='%23004976'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'/%3e%3cpath%20d='M14.5%2018H13.6C13.1757%2018%2012.7686%2017.842%2012.4686%2017.5607C12.1685%2017.2794%2012%2016.8978%2012%2016.5V12.75C12%2012.5511%2011.9157%2012.3603%2011.7657%2012.2197C11.6157%2012.079%2011.4122%2012%2011.2%2012H10.5'%20stroke='%23004976'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'/%3e%3ccircle%20cx='11.5'%20cy='7.5'%20r='1.5'%20fill='%23004976'/%3e%3c/g%3e%3cdefs%3e%3cclipPath%20id='clip0_4011_13713'%3e%3crect%20width='24'%20height='24'%20fill='white'%20transform='translate(0%200.5)'/%3e%3c/clipPath%3e%3c/defs%3e%3c/svg%3e)
Accessed: 
Structural identifiersNames and synonymsDatabase IDs
Lanthanum
| Molecular formula: | La |
| Average mass: | 138.906 |
| Monoisotopic mass: | 138.906353 |
| ChemSpider ID: | 22369 |
Wikipedia
Spectra
Structural identifiers- Names
Names and synonymsVerified
13864-01-2
[RN]231-099-0
[EINECS]6I3K30563S
[UNII]7439-91-0
[RN]Lanthan
[German]
[ACD/IUPAC Name]Lanthane
[French]
[ACD/IUPAC Name]
Lanthanum hydride (LaH3)
MFCD00011066
[MDL number]Unverified
(139)57La
(139)La
(99.9% REO), under white mineral oil, paraffin oil
110123-48-3
[RN]14762-71-1
[RN]17643-88-8
[RN]57La
7439-94-3
[RN]99.9% (metals basis excluding Ta)
99.9% (REO), in mineral oil
EINECS 231-099-0
lantano
lanthanum atom
Lanthanum chips, 2N6
Lanthanum foil, 0.1mm (0.004in) thick
Lanthanum foil, 1.0mm (0.04in) thick
Lanthanum foil, 3N
Lanthanum ingot
Lanthanum pieces
Lanthanum rod, 12.7mm (0.5in) dia
Lanthanum rod, 6.35mm (0.25in) dia
Lanthanum, (ingot)
lanthanum-139 atom
Database IDs