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Substance Name: Barium sulfate [USP:JAN]
RN: 7727-43-7
UNII: 25BB7EKE2E
InChIKey: TZCXTZWJZNENPQ-UHFFFAOYSA-L

Note

  • A compound used as an x-ray contrast medium that occurs in nature as the mineral barite. It is also used in various manufacturing applications and mixed into heavy concrete to serve as a radiation shield.

Molecular Formulas

  • Ba-S-O4
  • Ba.H2-O4-S
  • H2-O4-S.Ba
  • O4-S.Ba

Molecular Weight

  • 233.392
 

Classification Codes

Classification Codes

  • Contrast Media
  • Diagnostic Aid (Radiopaque Medium)
  • Diagnostic Uses of Chemicals
  • Drug / Therapeutic Agent
  • Mutation Data
  • Tumor Data

Superlist Classification Codes

  • TWA (15 mg/m3 total dust; 5 mg/m3 respirable fraction)
  • TWA 10 mg/m3

Names and Synonyms

Name of Substance

  • Barium sulfate
  • Barium sulfate [USP:JAN]
  • Blanc fixe
  • CI 77120
  • Pigment white 21
  • Sulfuric acid, barium salt (1:1)

MeSH Heading

  • Barium sulfate

Synonyms

  • Actybaryte
  • AI3-03611
  • Artificial barite
  • Artificial heavy spar
  • BA147
  • Bakontal
  • Bar-Test
  • Baraflave
  • Baricon
  • Baridol
  • Barii sulphas
  • Barite
  • Baritogen deluxe
  • Baritop
  • Baritop 100
  • Baritop G Powder
  • Baritop P
  • Barium 100
  • Barium Andreu
  • Barium sulfate
  • Barium sulfate (1:1)
  • Barium sulfate (BaSO4)
  • Barium sulfuricum
  • Barium sulphate
  • Barobag
  • Barocat
  • Barodense
  • Baroloid
  • Barosperse
  • Barosperse 110
  • Barosperse II
  • Barotrast
  • Baryta White
  • Barytes
  • Barytes 22
  • Barytgen
  • Baryum (sulfate de)
  • Baryx Colloidal
  • Baryxine
  • Basofor
  • Bayrites
  • BF 1 (salt)
  • BF 10 (sulfate)
  • Blanc fixe
  • C.I. 77120
  • C.I. Pigment White 21
  • Caswell No. 071B
  • CI 77120
  • CI Pigment white 21
  • Citobaryum
  • Colonatrast
  • Danobaryt
  • E-Z Preparations
  • E-Z-AC
  • E-Z-Cat Concentrate
  • E-Z-HD
  • E-Z-Paque
  • E-Z-Paste esophageal cream
  • EC 231-784-4
  • EINECS 231-784-4
  • Enamel White
  • EneCat
  • EneMark
  • EneSet
  • EntroBar
  • EPA Pesticide Chemical Code 007502
  • Epi-C
  • Epi-Stat 57
  • Epi-Stat 61
  • Esopho-CAT
  • Esophotrast
  • Esophotrast esophageal cream
  • Eweiss
  • Finemeal
  • Gastropaque-S
  • Gel-Unix
  • HD 200 Plus
  • HD 85
  • HiTone
  • HSDB 5041
  • Intropaque
  • Lactobaryt
  • Liquibarine
  • Liquid Barosperse
  • Liquid E-Z-Paque
  • Liquid Polibar
  • Liquid Polibar Plus
  • Liquid Sol-O-Pake
  • Liquipake
  • Macropaque
  • Microbar
  • Microfanox
  • Micropaque
  • Micropaque RD
  • Microtrast
  • Mikabarium B
  • Mikabarium F
  • Mixobar
  • Mixture III
  • Neobalgin
  • Neobar
  • Novopaque
  • Oesobar
  • Oratrast
  • Permanent White
  • Pigment White 22
  • Polibar
  • Precipitated barium sulphate
  • PrepCat
  • Radimix Colon
  • Radio-Baryx
  • Radiobaryt
  • Radiopaque
  • Raybar
  • Readi-CAT
  • Readi-CAT 2
  • Readi-Cat 2 Smoothies
  • Recto Barium
  • Redi-Flow
  • Rugar
  • Sol-O-Pake
  • Solbar
  • Sparkle Granules
  • SS 50
  • Sulfuric acid, barium salt (1:1)
  • Supramike
  • Suspobar
  • Tagitol V
  • Tixobar
  • TomoCat 1000 Concentrate
  • TomoCat Concentrate
  • TonoJug 2000
  • Tonopaque
  • Topcontral
  • Travad
  • Ultra-R
  • Umbrasol A
  • Unibaryt
  • UNII-25BB7EKE2E
  • Unit-Pak
  • Varibar Nectar
  • Veri-O-Pake
  • X-Opac
  • Xylocaine viscous

Systematic Names

  • Barium sulfate
  • Barium sulphate, natural
  • Sulfuric acid, barium salt (1:1)

Superlist Names

  • Barium sulfate
  • Barium sulfate (1:1)

Registry Numbers

CAS Registry Number

  • 7727-43-7

FDA UNII

  • 25BB7EKE2E

Other Registry Numbers

  • 12751-32-5
  • 1314087-22-3
  • 1352053-72-5
  • 1400694-37-2
  • 2095567-47-6
  • 8054-35-1

System Generated Number

  • 0007727437

Molecular Formulas

Molecular Formulas

  • Ba-S-O4
  • Ba.H2-O4-S
  • H2-O4-S.Ba
  • O4-S.Ba

Molecular Formula Fragments

  • Ba
  • COMPONENT
  • H2-O4-S
  • O4-S

Structure Descriptors

InChI

1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2

InChIKey

TZCXTZWJZNENPQ-UHFFFAOYSA-L

Smiles

[Ba+2].[O-]S(=O)(=O)[O-]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD intratracheal > 600uL/kg (0.6mL/kg) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES Oyo Yakuri. Pharmacometrics. Vol. 50, Pg. 123, 1995.