Skip Navigation
ChemIDplus Lite•Browse•Advanced

Substance Name: Boron
RN: 7440-42-8
UNII: N9E3X5056Q
InChIKey: ZOXJGFHDIHLPTG-UHFFFAOYSA-N

Note

  • A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY.

Molecular Formula

  • B

Molecular Weight

  • 10.811
 

Classification Codes

  • Growth Substances
  • Micronutrients
  • Trace Elements

Names and Synonyms

Name of Substance

  • Boron

MeSH Heading

  • Boron

Synonyms

  • Boron
  • Boron, elemental
  • Boron, metallic
  • Boron-elemental
  • EC 231-151-2
  • EINECS 231-151-2
  • HSDB 4482
  • UNII-N9E3X5056Q

Systematic Name

  • Boron

Registry Numbers

CAS Registry Number

  • 7440-42-8

FDA UNII

  • N9E3X5056Q

Other Registry Number

  • 1416162-12-3

System Generated Number

  • 0007440428

Structure Descriptors

InChI

InChI=1S/B

InChIKey

ZOXJGFHDIHLPTG-UHFFFAOYSA-N

Smiles

[B]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LD50 oral 250mg/kg (250mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(11), Pg. 11, 1970.
dog LD50 oral 310mg/kg (310mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(11), Pg. 11, 1970.
guinea pig LD50 oral 310mg/kg (310mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(11), Pg. 11, 1970.
mammal (species unspecified) LD50 oral 300mg/kg (300mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 40(9), Pg. 49, 1975.
mouse LD50 intraperitoneal 11gm/kg (11000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 35(2), Pg. 42, 1991.
mouse LD50 oral 560mg/kg (560mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(11), Pg. 11, 1970.
rabbit LD50 oral 310mg/kg (310mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(11), Pg. 11, 1970.
rat LD50 intraperitoneal 7gm/kg (7000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 35(2), Pg. 42, 1991.
rat LD50 oral 650mg/kg (650mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(11), Pg. 11, 1970.