Substance Name: Limestone
RN: 1317-65-3
Note
- TSCA Definition 2018: 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
NLM Resources (File Locators)
Regulatory Agencies (Superlist Locators)
Other Resources (Internet Locators)
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