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antimony

File:SbAs_lattice.png · Wikimedia Commons · See Wikimedia Commons

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antimony

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Also known as Sb, element 51, 51Sb

Antimony is a chemical element with the symbol Sb () and atomic number 51. A lustrous grey metal or metalloid, it occurs in nature mainly in the form of the sulfide mineral stibnite (). Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name kohl.

OverviewAI-generated

Antimony is a chemical element with the symbol Sb and atomic number 51. It has a mass of 121.76 and an electronegativity of 2.05. The element melts at 1166 and boils at 2975. Its density is 6.69, and its electron configuration is [Kr] 5s² 5d¹⁰ 5p³. The ionic radius is 0.76.

Production of antimony reaches 106000. It is referenced by 1,589 other encyclopedia articles. The NIOSH Pocket Guide ID is 0036. The immediately dangerous to life or health level is 50. The time-weighted average exposure limit is 0.5, and the short-term exposure limit is 5. The median lethal dose (LD50) is 20000.

Synthesized by Vinony from 33 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula
Sb
Molecular weight
121.76 g/mol
IUPAC name
antimony
SMILES
[Sb]
InChIKey
WATWJIUSRGPENY-UHFFFAOYSA-N
Polar surface area
0 Ų
H-bond donors
0
H-bond acceptors
0
Formal charge
0

via PubChem

Research

12,512 papers

via PubMed

Wikidata facts

Subclass of
period 5
Mass
121.76
Image
Antimony-2.jpg
Show 23 more facts
element symbol
Sb
Commons category
Antimony
topic's main category
Category:Antimony
atomic number
51
NIOSH Pocket Guide ID
0036
density
6.69
immediately dangerous to life or health
50
Commons gallery
Antimony
melting point
1166
boiling point
2975
vapor pressure
0
time-weighted average exposure limit
0.2
median lethal dose (LD50)
900
short-term exposure limit
0.5
chemical formula
Sb
canonical SMILES
[Sb]
crystal system
trigonal crystal system
Unicode character
銻
electronegativity
2.05
electron configuration
[Kr] 5s² 5d¹⁰ 5p³
ionic radius
0.60
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
production rate
300
Sources (13)

via Wikidata · CC0

~26 min read

Encyclopedic overview

25 sections
Contents
  • Characteristics
  • Properties
  • Isotopes
  • Occurrence
  • Compounds
  • Oxides and hydroxides
  • Halides
  • Antimonides, hydrides, and organoantimony compounds
  • History
  • Etymology
  • Production
  • Process
  • Top producers and production volumes
  • Reserves
  • Supply risk
  • Applications
  • Flame retardants
  • Alloys
  • Other applications
  • Precautions
  • Toxicity
  • Notes
  • References
  • Cited sources
  • External links

Antimony is a chemical element with the symbol Sb () and atomic number 51. A lustrous grey metal or metalloid, it occurs in nature mainly in the form of the sulfide mineral stibnite (). Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name kohl.

China is the largest producer of antimony and its compounds, with most production coming from the Xikuangshan Mine in Hunan. The industrial methods for refining antimony from stibnite are roasting followed by reduction with carbon, or direct reduction of stibnite with iron.

Excerpted from Wikipedia’s “antimony” article, available under the CC BY-SA 4.0 licence.

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