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Substance Name: Talc [USP:JAN]
RN: 14807-96-6
UNII: 7SEV7J4R1U
InChIKey: KNXVOGGZOFOROK-UHFFFAOYSA-N

Note

  • Finely powdered native hydrous magnesium silicate. It is used as a dusting powder, either alone or with starch or boric acid, for medicinal and toilet preparations. It is also an excipient and filler for pills, tablets, and for dusting tablet molds. (From Merck Index, 11th ed)

Molecular Formulas

  • H2-03-Si.3/4Mg
  • H2-O3-Si.3/4Mg

Molecular Weight

  • 379.263
 

Classification Codes

Classification Codes

  • Antiperspirants
  • Cosmetics
  • Dusting Powder
  • Natural Product
  • Pharmaceutic Aid (Tablet and/or Capsule Lubricant)
  • Pharmaceutic Aid (Tablet Andor Capsule Lubricant)
  • Skin / Eye Irritant
  • Tumor Data

Superlist Classification Codes

  • Ceiling 20 mppcf;
  • Overall Carcinogenic Evaluation: Group 3
  • TWA 2 mg/m3; (Inhalable particulate matter containing no asbestos and < 1% crystalline silica); Not classifiable as a human carcinogen

Names and Synonyms

Name of Substance

  • Cosmetic talc
  • Talc
  • Talc [USP:JAN]

MeSH Heading

  • Talc

Synonyms

  • Agalite
  • Alpine talc USP, bc 127
  • Asbestine
  • B 13
  • B 13 (mineral)
  • B 9
  • Beaver White 200
  • CCRIS 3656
  • CI 77718
  • CP 10-40
  • CP 38-33
  • Crystalite CRS 6002
  • Desertalc 57
  • EINECS 238-877-9
  • Emtal 500
  • Emtal 549
  • Emtal 596
  • Emtal 599
  • EX-IT
  • Fibrene C 400
  • Finntalc C10
  • Finntalc M05
  • Finntalc M15
  • Finntalc P40
  • Finntalc PF
  • French chalk
  • FW-XO
  • HSDB 830
  • Hydrous magnesium silicate
  • IT Extra
  • LMR 100
  • Lo Micron talc USP, bc 2755
  • Magnesium silicate talc
  • Magnesium silicate, hydrous
  • Micro Ace K1
  • Micro Ace L1
  • Micron White 5000A
  • Micron White 5000P
  • Micron White 5000S
  • Microtalco IT Extra
  • Mistron 139
  • Mistron 2SC
  • Mistron frost P
  • Mistron RCS
  • Mistron Star
  • Mistron super frost
  • Mistron vapor
  • MP 12-50
  • MP 25-38
  • MP 40-27
  • MP 45-26
  • MST
  • Mussolinite
  • NCI-C06008
  • Nonasbestiform talc
  • Nonfibrous talc
  • Nytal 200
  • Nytal 400
  • P 3
  • P 3 (Mineral)
  • PK-C
  • PK-N
  • Polytal 4641
  • Polytal 4725
  • Sclerosol
  • Snowgoose
  • Soapstone
  • Steatite
  • Steatite talc
  • Steawhite
  • Supreme
  • Supreme dense
  • Talc
  • Talc (Mg3H2(SiO3)4)
  • Talc (powder)
  • Talc, non-asbestos form
  • Talcan PK-P
  • Talcron CP 44-31
  • Talcum
  • TY 80
  • UNII-7SEV7J4R1U

Systematic Names

  • Talc
  • Talc (Mg3H2(SiO3)4)
  • Talc (powder), containing no asbestos fibers

Superlist Names

  • Silicates (<1% quartz):talc (not containing asbestos)
  • Silicates: talc (containing no asbestos)
  • Talc
  • Talc (containing no asbestos)
  • Talc, containing no asbestos fibers
  • Talc, not containing asbestiform fibers

Registry Numbers

CAS Registry Number

  • 14807-96-6

FDA UNII

  • 7SEV7J4R1U

Other Registry Numbers

  • 110540-41-5
  • 11119-41-8
  • 1170673-66-1
  • 12420-12-1
  • 184973-42-0
  • 37232-12-5
  • 8043-56-9
  • 99638-63-8

System Generated Number

  • 0014807966

Molecular Formulas

Molecular Formulas

  • H2-03-Si.3/4Mg
  • H2-O3-Si.3/4Mg

Molecular Formula Fragments

  • COMPONENT
  • H2-03-Si
  • H2-O3-Si
  • Mg

Structure Descriptors

InChI

1S/3Mg.2HO3Si.2O3Si/c;;;4*1-4(2)3/h;;;2*1H;;/q3*+2;2*-1;2*-2

InChIKey

KNXVOGGZOFOROK-UHFFFAOYSA-N

Smiles

[Si](O)(=O)[O-].[Si]([O-])(O)=O.[Si](=O)([O-])[O-].[Si](=O)([O-])[O-].[Mg+2].[Mg+2].[Mg+2]