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Substance Name: Tellurium
RN: 13494-80-9
UNII: NQA0O090ZJ
InChIKey: PORWMNRCUJJQNO-UHFFFAOYSA-N

Note

  • An element that is a member of the chalcogen family. It has the atomic symbol Te, atomic number 52, and atomic weight 127.60. It has been used as a coloring agent and in the manufacture of electrical equipment. Exposure may cause nausea, vomiting, and CNS depression.

Molecular Formula

  • Te

Molecular Weight

  • 127.6
 

Classification Codes

Classification Code

  • Reproductive Effect

Superlist Classification Codes

  • TWA (0.1 mg/m3, as Te; excluding hydrogen telluride)
  • TWA (0.1 ppm)
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Names and Synonyms

Name of Substance

  • Tellurium
  • Tellurium, elemental

MeSH Heading

  • Tellurium

Synonyms

  • Aurum paradoxum
  • EC 236-813-4
  • EINECS 236-813-4
  • HSDB 2532
  • Metallum problematum
  • NCI-C60117
  • Telloy
  • Tellur
  • Tellur [Polish]
  • Tellurium
  • Tellurium element
  • Tellurium, metallic
  • UNII-NQA0O090ZJ

Systematic Name

  • Tellurium

Superlist Names

  • Tellurium
  • Tellurium and compounds
  • Tellurium, elemental

Registry Numbers

CAS Registry Number

  • 13494-80-9

FDA UNII

  • NQA0O090ZJ

Other Registry Number

  • 137322-20-4

System Generated Number

  • 0013494809

Structure Descriptors

InChI

1S/Te

InChIKey

PORWMNRCUJJQNO-UHFFFAOYSA-N

Smiles

[Te]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 45mg/kg (45mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 107, 1982.
mouse LD50 oral 20mg/kg (20mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 107, 1982.
rabbit LD50 oral 67mg/kg (67mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 107, 1982.
rat LC50 inhalation > 2420mg/m3/4H (2420mg/m3)   TNO-report. Vol. TNO-92-008,
rat LC50 inhalation > 2420mg/m3/4H (2420mg/m3) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES TNO-report. Vol. TNO-92-008,
rat LD50 oral 83mg/kg (83mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 107, 1982.
rat LDLo intratracheal 200mg/kg (200mg/kg) KIDNEY, URETER, AND BLADDER: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

LIVER: OTHER CHANGES
American Industrial Hygiene Association Journal. Vol. 39, Pg. 100, 1978.