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Substance Name: Limestone
RN: 1317-65-3

Note

  • TSCA Definition 2017: A noncombustible solid characteristic of sedimentary rock. It consists primarily of calcium carbonate.

Molecular Formula

  • Unspecified
 

Classification Codes

Classification Code

  • TSCA UVCB

Superlist Classification Codes

  • TWA (15 mg/m3 total dust; 5 mg/m3 respirable fraction)
  • TWA 10 mg/m3; (Inhalable particulate matter containing no asbestos and < 1% crystalline silica)
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Links to Resources

Names and Synonyms

Synonyms

  • Agricultural limestone
  • Agstone
  • Bell mine pulverized limestone
  • Chalk
  • Domolite
  • EINECS 215-279-6
  • Franklin
  • Limestone
  • Lithograpic stone
  • Natural calcium carbonate
  • Portland stone
  • Sohnhofen stone

Systematic Name

  • Limestone

Superlist Names

  • Calcium carbonate
  • Ground limestone
  • Limestone
  • Marble
  • Marble dust

Registry Numbers

CAS Registry Number

  • 1317-65-3

Other Registry Number

  • 359415-48-8

System Generated Number

  • 0001317653

Structure Descriptors

Smiles

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