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Substance Name: Asbestos
RN: 1332-21-4

Notes

  • Asbestos. Fibrous incombustible mineral composed of magnesium and calcium silicates with or without other elements. It is relatively inert chemically and used in thermal insulation and fireproofing. Inhalation of dust causes asbestosis and later lung and gastrointestinal neoplasms.
  • TSCA Definition 2019: A grayish, noncombustible fibrous material. It consists primarily of impure magnesium silicate minerals.

Molecular Formula

  • Unspecified
 

Classification Codes

Classification Codes

  • Carcinogens
  • Human Data
  • Mutation Data
  • Natural Product
  • Noxae
  • TSCA Flag R (Subject to the TSCA Section 6 Risk Management Rule)
  • TSCA Flag SP (Substance is Identified in a Proposed Significant New Use Rule)
  • TSCA UVCB
  • Tumor Data

Superlist Classification Codes

  • 2007 CERCLA Priority List, Rank: 90
  • 2011 CERCLA Priority List, Rank: 94
  • Known to be a Carcinogen
  • Overall Carcinogenic Evaluation: Group 1
  • Reportable Quantity (RQ) = 1 lb
  • TWA 0.1 f/cc (longer than 5 um); Confirmed human carcinogen
  • TWA see 1910.1001

Names and Synonyms

Name of Substance

  • Asbestos

MeSH Heading

  • Asbestos

Synonyms

  • Amianthus
  • Asbest
  • Asbest [German]
  • Asbestos
  • Asbestos dust
  • Asbestos fiber
  • Asbestos fibers
  • Asbestos fibre
  • Asbestose
  • Asbestose [German]
  • Ascarite
  • AT 7-1
  • BK 6-20
  • BP 3-50
  • BP 5-65
  • Calidria HPP
  • Calidria R-G 244
  • Carey 4T
  • Caswell No. 061
  • CCRIS 56
  • Chlorobestos 25
  • EPA Pesticide Chemical Code 099301
  • FAPM 410-120
  • Ferodo C3C
  • Fibrous grunerite
  • HPO (mineral)
  • HSDB 511
  • K 6-20
  • M 3-60
  • M 4-5
  • M 5-60
  • M 6-40
  • Mountain cork
  • Mountain leather
  • Mountain wood
  • MTM
  • NCI C08991
  • P 5-50
  • P 5-50 (mineral)
  • Sepiolex 3
  • Sepiolex 5
  • SM 1 (mineral)
  • SM 2 (mineral)

Systematic Name

  • Asbestos

Superlist Names

  • Asbestos
  • Asbestos (friable)
  • Asbestos, all forms
  • Man-made mineral fibres

Registry Numbers

CAS Registry Number

  • 1332-21-4

Other Registry Numbers

  • 12413-45-5
  • 329202-13-3
  • 77641-59-9

System Generated Number

  • 0001332214

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human TCLo inhalation 1.2fb/cc/19Y- (1.2fb/cc) LUNGS, THORAX, OR RESPIRATION: PLEURAL EFFUSION

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

LUNGS, THORAX, OR RESPIRATION: SPUTUM		 American Review of Respiratory Disease. Vol. 104, Pg. 576, 1971.
rat LD intratracheal > 4mL/kg (4mL/kg) LUNGS, THORAX, OR RESPIRATION: STRUCTURAL OR FUNCTIONAL CHANGE IN TRACHEA OR BRONCHI

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES		 Zhonghua Yufangyixue Zazhi. Chinese Journal of Preventive Medicine. Vol. 32, Pg. 139, 1998.