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Substance Name: Calcium carbonate [USP]
RN: 471-34-1
UNII: H0G9379FGK
InChIKey: VTYYLEPIZMXCLO-UHFFFAOYSA-L

Note

  • Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.

Molecular Formula

  • C-H2-O3.Ca

Molecular Weight

  • 100.086
 

Classification Codes

Classification Codes

  • Antacid
  • Antacids
  • Antiviral (COVID-19)
  • Gastrointestinal Agents
  • Skin / Eye Irritant

Superlist Classification Code

  • TWA 10 mg/m3 (for particulate matter containing no asbestos and <1% crystalline silica)

Names and Synonyms

Name of Substance

  • Calcium carbonate
  • Calcium carbonate [USP]
  • Calcium carbonate, precipitated
  • Carbonic acid, calcium salt (1:1)
  • CI 77220
  • Pigment white 18
  • Precipitated calcium carbonate
  • Precipitated chalk

MeSH Heading

  • Calcium carbonate

Synonyms

  • Aeromatt
  • Akadama
  • Albacar
  • Albacar 5970
  • Albafil
  • Albaglos
  • Albaglos SF
  • Allied whiting
  • Atomit
  • Atomite
  • AX 363
  • BF 200
  • Brilliant 15
  • Brilliant 1500
  • Brilliant BR 15
  • Britomya M
  • Britomya S
  • BRT 1500
  • BRT 30
  • BS 32
  • C 50 (carbonate)
  • C.I. 77220
  • C.I. Pigment White 18
  • Cal-Light SA
  • Cal-Sup
  • Calcene CO
  • Calcene NC
  • Calcene TM
  • Calcicoll
  • Calcidar 40
  • Calcilit 100
  • Calcilit 8
  • Calcium carbonate
  • Calcium carbonate (1:1)
  • Calcium carbonate, precipitated
  • Calcium monocarbonate
  • Calibrite
  • Calmos
  • Calmote
  • Calofil A 4
  • Calofil B 1
  • Calofil E 2
  • Calofor U 50
  • Calofort S
  • Calofort T
  • Calofort U
  • Calopake F
  • Calopake FS
  • Calopake H
  • Calopake high opacity
  • Calopake PC
  • Calseeds
  • Caltec
  • Caltrate
  • Calwhite
  • Camel-carb
  • Camel-tex
  • Camel-wite
  • Carbital 90
  • Carbium
  • Carbium MM
  • Carbonic acid calcium salt (1:1)
  • Carbonic acid, calcium salt (1:1)
  • Carborex 2
  • Carusis P
  • Caswell No. 139
  • CCC G-white
  • CCC No.AA oolitic
  • CCRIS 1333
  • CCW
  • Chemcarb
  • Children's Mylanta Upset Stomach Relief
  • Chooz
  • CI 77220
  • Clefnon
  • Crystic prefil S
  • Dacote
  • DOMAR
  • Duramite
  • Durcal 10
  • Durcal 2NH
  • Durcal 40
  • Durcal C 640305
  • EC 207-439-9
  • EGRI M 5
  • EINECS 207-439-9
  • EPA Pesticide Chemical Code 073502
  • Eskalon 100
  • Eskalon 1500
  • Eskalon 200
  • Eskalon 400
  • Eskalon 800
  • Filtex White Base
  • Finncarb 6002
  • Garolite SA
  • Gilder's whiting
  • Hakuenka CC
  • Hakuenka CCR
  • Hakuenka DD
  • Hakuenka O
  • Hakuenka PX
  • Hakuenka PZ
  • Hakuenka R 06
  • Hakuenka T-DD
  • Homocal D
  • HSDB 927
  • Hydrocarb
  • Hydrocarb 60
  • Hydrocarb 65
  • K 250
  • Kotamite
  • Kredafil 150 Extra
  • Kredafil RM 5
  • KS 1300
  • KS 1500
  • KS 1800
  • KS 2100
  • KS 500
  • KULU 40
  • Levigated chalk
  • Marble white
  • Marblewhite 325
  • Marfil
  • MC-T
  • Microcarb
  • Micromic CR 16
  • Micromya
  • Microwhite 25
  • Monocalcium carbonate
  • MSK-C
  • MSK-G
  • MSK-K
  • MSK-P
  • MSK-PO
  • MSK-V
  • Multifex MM
  • Multiflex MM
  • Multiflex SC
  • Mylanta Soothing Lozenges
  • N 34
  • N 43
  • NCC 45
  • NCC-P
  • Neoanticid
  • Neolite F
  • Neolite SP
  • Neolite TPS
  • Non-Fer-Al
  • NS
  • NS 100
  • NS 200
  • NS 2500
  • NS 400
  • Oyster shell
  • P-Lite 500
  • P-Lite 700
  • R Jutan
  • Slaker rejects
  • T 130-2500
  • Tums
  • UNII-H0G9379FGK

Systematic Names

  • Calcium carbonate
  • Calcium carbonate (1:1)
  • Carbonic acid calcium salt (1:1)

Superlist Names

  • Calcium carbonate
  • Calcium carbonate slurry

Mixture Names

  • Acid controller complete
  • Calcitrel
  • Camalox
  • Di-Gel Tablets
  • Mylanta Gelcaps
  • Tylenol Headache Plus

Registry Numbers

CAS Registry Number

  • 471-34-1

FDA UNII

  • H0G9379FGK

Other Registry Numbers

  • 1118543-25-1
  • 114453-69-9
  • 1312764-88-7
  • 1352815-51-0
  • 137803-94-2
  • 1437084-75-7
  • 146358-95-4
  • 148092-93-7
  • 1641572-50-0
  • 166516-01-4
  • 172307-27-6
  • 180616-31-3
  • 1883798-64-8
  • 197809-38-4
  • 198352-33-9
  • 1994316-62-9
  • 2222732-78-5
  • 2390374-02-2
  • 2470702-35-1
  • 251358-28-8
  • 39454-55-2
  • 459411-10-0
  • 60083-79-6
  • 63660-97-9
  • 71060-88-3
  • 72608-12-9
  • 878759-26-3

System Generated Number

  • 0000471341

Molecular Formulas

Molecular Formula

  • C-H2-O3.Ca

Molecular Formula Fragments

  • C-H2-O3
  • Ca
  • COMPONENT

Structure Descriptors

InChI

InChI=1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

InChIKey

VTYYLEPIZMXCLO-UHFFFAOYSA-L

Smiles

[Ca+2].[O-]C(=O)[O-]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 6450mg/kg (6450mg/kg)   "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972Vol. -, Pg. 267, 1972.