Barium sulfate | Solubility of Things

Identification

Molecular formula

BaSO₄

CAS number

7727-43-7

IUPAC name

barium(2+);sulfate

State

At room temperature, barium sulfate is a solid. It remains stable and does not change its state under normal conditions.

Melting point (Celsius)

1 580.00

Melting point (Kelvin)

1 853.00

Boiling point (Celsius)

1 600.00

Boiling point (Kelvin)

1 873.00

General information

Molecular weight

233.39g/mol

Molar mass

233.3890g/mol

Density

4.5000g/cm³

Appearence

Barium sulfate is a white crystalline solid that often appears as a fine powder. It is opaque and can be used as a pigment. When used in its purest form, it provides a bright white color.

Comment on solubility

Solubility of Barium Sulfate

Barium sulfate, represented by the chemical formula Bariumsulfate or ^BaSO₄, is known for its notably low solubility in water. This compound can be characterized by the following key points:

Solubility Product: The solubility product constant (Ksp) for barium sulfate is quite low, approximately 1.0 x 10^-10 at 25°C, indicating that it is only sparingly soluble.
Water Interaction: In water, ^BaSO₄ will dissolve to a very minimal extent, which makes it an ideal substance for various applications including medical imaging, where its radiopacity is essential.
Temperature Dependence: Its solubility slightly increases with rising temperature; however, it remains low even at elevated temperatures.
Acid Effects: Barium sulfate is more soluble in acidic conditions due to the reaction of barium ions with sulfate ions, leading to the formation of soluble species.
Low Toxicity: While its low solubility means barium sulfate is relatively safe for ingestion in the context of diagnostic use, it is always important to handle it carefully in non-medical settings.

In conclusion, the low solubility of ^BaSO₄ is a defining characteristic that influences its use in various fields, making it a fascinating compound to study in terms of chemical behavior.

Interesting facts

Interesting Facts about Barium Sulfate

Barium sulfate is an intriguing compound with several notable properties and applications, especially in the field of medicine and industry. Here are some key points that highlight its significance:

Medical Imaging: One of the most prominent uses of barium sulfate is in medical imaging. It is commonly used as a contrast agent in radiology, particularly in barium swallows and enemas, allowing for enhanced visualization of the gastrointestinal tract during X-ray examinations.
Inert Nature: Barium sulfate is known for its inertness in biological systems. This property makes it safe for use in medical contexts, as it is not absorbed by the body and is excreted unchanged.
Industrial Applications: Beyond its medical applications, barium sulfate is also utilized in various industrial sectors. It is frequently used as a white pigment in paints, plastics, and paper due to its brightness and opacity.
Radiation Shielding: Due to its high density, barium sulfate is also employed as an effective material for radiation shielding in certain applications, providing protection against X-rays.
Environmental Considerations: While barium sulfate is generally considered safe, the handling of other barium compounds can pose environmental risks. Proper precautions must be taken to avoid the release of toxic barium ions into ecosystems.

In conclusion, barium sulfate is a multifaceted compound with crucial roles in both healthcare and industry. Its unique properties demonstrate the intersection of chemistry and practical applications, making it a fascinating subject of study for both students and professionals in chemical sciences.

Synonyms

BARIUM SULFATE

7727-43-7

Barytes

Barium sulphate

Barosperse

Esophotrast

Macropaque

Micropaque

Microtrast

Radiobaryt

Radiopaque

Barotrast

Liquipake

EntroBar

EneMark

Blanc fixe

EneCat

Enamel White

Readi-CAT

Liquid E-Z-Paque

Actybaryte

Bakontal

Baraflave

Barodense

Baroloid

Baryxine

Bayrites

Citobaryum

Colonatrast

Danobaryt

Finemeal

Intropaque

Lactobaryt

Liquibarine

Microbar

Microfanox

Neobalgin

Novopaque

Oratrast

Supramike

Suspobar

Tonopaque

Topcontral

Unibaryt

Baricon

Baridol

Barobag

Barocat

Basofor

E-Z-Paque

Eweiss

Mixobar

Neobar

Oesobar

Polibar

Raybar

Tixobar

Travad

Rugar

Barii sulphas

Baryx Colloidal

Permanent White

PrepCat

Barium Andreu

EneSet

Gastropaque-S

HiTone

Liquid Polibar

Radimix Colon

Baritogen deluxe

Baryta White

Mikabarium B

Mikabarium F

Recto Barium

Barosperse II

Micropaque RD

Radio-Baryx

Sparkle Granules

Umbrasol A

Artificial barite

Baritop P

Barium sulfuricum

Redi-Flow

Liquid Barosperse

Bar-Test

Gel-Unix

Unit-Pak

Baritop G Powder

E-Z Preparations

Esopho-CAT

Ultra-R

Veri-O-Pake

X-Opac

Barosperse 110

Sol-O-Pake

Barytes 22

Epi-C

Liquid Polibar Plus

Liquid Sol-O-Pake

Artificial heavy spar

Baritop 100

E-Z-HD

Volumen

Baryum (sulfate de)

Readi-CAT 2

Spezialsorte ai

Barium 100

BaSO4

Epi-Stat 57

Epi-Stat 61

Barii sulfas

BF 10 (sulfate)

TonoJug 2000

Caswell No. 071B

Tagitol V

Barium sulphate, natural

Readi-cat2

Barium sulfate (1:1)

Barium sulfate (BaSO4)

HD 200 Plus

E-Z-AC

E-Z-Paste esophageal cream

Esophotrast esophageal cream

Precipitated barium sulphate

CI 77120

Readi-cat2 smoothies

Varibar Nectar

HSDB 5041

BA147

HD 85

SS 50

UNII-25BB7EKE2E

Sachtoperse ab-tm 18383

EINECS 231-784-4

25BB7EKE2E

EPA Pesticide Chemical Code 007502

VARIBAR

AI3-03611

Readi-Cat 2 Smoothies

C.I. 77120

Barium sulfate [USP:JAN]

DTXSID0050471

CHEBI:133326

EC 231-784-4

READI-CAT 2 COMPONENT BARIUM SULFATE

Barium sulfate (USP:JAN)

BARIUM SULFATE (II)

BARIUM SULFATE [II]

BARIUM SULFATE (MART.)

BARIUM SULFATE [MART.]

BARIUM SULFATE (EP MONOGRAPH)

BARIUM SULFATE [EP MONOGRAPH]

Sulfate, Barium

BARIUM SULFATE (USP MONOGRAPH)

BARIUM SULFATE [USP MONOGRAPH]

Barytes (natural)

231-784-4

Steripaque

Bario sulfato

Sulfato barico

Eweisse-Z-paque

Vanilla SilQ

NeuLumEX

Vizumax HD

Vizumax ENEM

Vanilla SilQ HD

Vanilla SilQ MD

Ba (sulfate)

E-Z-Paste

E-Z-Disk

PRONTOBARIO

SPARMITE

Caswell No 071B

SACHTOPERSE HP

SACHTOPERSE HU

VARIBAR HONEY

VARIBAR PUDDING

BIANCO FISSO

BARITE BA

BARITE BC

BARITE BD

BLANC FIX

HEAVY SPAR

BLANC FIXE FX

BLANC FIXE F

BLANC FIXE N

BB-MICRO SP

BLANC FIXE MICRO

BMH-D

BARIFINE BF 1L

AIRWHITE AW 5

BARIFINE BF 1

BMH (SULFATE)

BLANC FIXE XR-HX

HD (SULFATE)

ST (SULFATE)

BARIFINE BF 21F

DIAMELIA 16

E-Z-CAT DRY

UD (FILLER)

VARIBAR THIN HONEY

BARIFINE BF 10

BARIFINE BF 20

BARIFINE BF 21

BARIFINE BF 40

BLANC FIXE K 3

BARITA W 2

VARIBAR THIN LIQUID

BARIACE B 30

BARIACE B 54

MICROBAR 139

BLANC FIXE HD 80

BARYTES 290

ENTERO VU 24%

A 15 (inorganic compound)

BF 1H

BF 1L

Readi-Cat 2 Berry Smoothie

SS 50 (SULFATE)

B 32 (SULFATE)

B 33 (SULFATE)

B 34 (SULFATE)

B 54 (SULFATE)

B 55 (SULFATE)

CHEROKEE BARYTE 290

P 25 (SULFATE)

Readi-Cat 2 Banana Smoothie

READI-CAT 2 SMOOTHIE

Barium Sulfate For Suspension

A 200 (SULFATE)

C 300 (SULFATE)

B 20HD

BF 20P

BF 21F

BC (INORGANIC COMPOUND)

SACHTOPERSE HU-N SPEZIAL

DTXCID0029474

Readi-Cat 2 Mochaccino Smoothie

BMH 100

PRECIPITATED BARIUM SULFATE

BF 10

BF 20

BF 21

BF 33

BF 40

C 14 (INORGANIC COMPOUND)

BM 110

L 100 (INORGANIC COMPOUND)

Readi-Cat 2 Creamy Vanilla Smoothie

A 15

B 30

B 33

B 34

B 54

B 55

C 14

C 300

BARIUM SULFATE COMPONENT OF READI-CAT 2

F 8660

W 1

barium sulfate (acgih:osha)

Barite

Barite (Ba(SO4))

Baritop

13462-86-7

barium(2+);sulfate

Sulfuric acid, barium salt (1:1)

BARIMITE-XF

MFCD00003455

Barytgen

Baryte

Barium sulfate [JAN]

barium- sulphate

Baricon (TN)

EINECS 236-664-5

Barium Sulfate Powder

Barium sulfate, Puratronic?

BARIUM SULFATE [MI]

Barium sulfate (JP17/USP)

BARIUM SULFATE [HSDB]

BARIUM SULFATE [VANDF]

BARIUM SULFATE [WHO-DD]

BARIUM SULFATE [WHO-IP]

CHEMBL2105897

BARII SULFAS [WHO-IP LATIN]

BARIUM SULFATE [ORANGE BOOK]

AKOS015902784

DB11150

NS00074386

D02052

Q309038

SR-01000944372

SR-01000944372-1