Barium sulfate

ChemSpider ID: 22823
Molecular Formula: BaO₄S
Average mass: 233.389603 Da
Monoisotopic mass: 233.856964 Da
Systematic name

Barium sulfate
SMILES and InChIs

SMILES:

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

Std. InChI:

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

Std. InChIKey:

TZCXTZWJZNENPQ-UHFFFAOYSA-L Copied
Cite this record
CSID:22823, http://www.chemspider.com/Chemical-Structure.22823.html (accessed 09:19, Jun 19, 2013) Copied

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

Barium sulfate

Barite (Ba(SO4))

Barite [Wiki]

Barium salt of sulfuric acid

Barium sulphate

Sulfuric acid, barium salt (1:1)

12751-32-5 [RN]

13462-86-7 [RN]

231-784-4 [EINECS]

236-664-5 [EINECS]

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Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

11432_RIEDEL [DBID]

202762_ALDRICH [DBID]

243353_ALDRICH [DBID]

AI3-03611 [DBID]

B8675_SIAL [DBID]

C.I. 77120 [DBID]

Caswell No. 071B [DBID]

CI 77120 [DBID]

D02052 [DBID]

EPA Pesticide Chemical Code 007502 [DBID]

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Properties

Experimental data
Predicted - ACD/Labs
Predicted - ChemAxon

Data supplied by datasources and users.

Experimental Physico-chemical Properties

Experimental Melting Point:

1580 °C (Decomposes) Alfa Aesar A11768, 13989, 10651

1580 °C Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/BA/barium_sulfate.html

Experimental Boiling Point:

2912 F (1600 °C) (Decomposes) NIOSH CR0600000
Experimental Vapor Pressure:

0 mmHg (Approximate) NIOSH CR0600000
Experimental Flash Point:

1-4 °C Alfa Aesar 13989
Experimental Refraction Index:

1.64 Alfa Aesar 44519

Experimental Solubility:

Insoluble in water, dilute acids, alcohol. Soluble in hot, concentrated H2SO4 Alfa Aesar 13989

Miscellaneous

Appearance:

solid Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/BA/barite.html

White or yellowish, odorless powder. NIOSH CR0600000

white powder Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/BA/barium_sulfate.html

Stability:

Stable. Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/BA/barium_sulfate.html

Safety:

Minimize exposure. Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/BA/barium_sulfate.html

Treat as potentially harmful. Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/BA/barite.html

WARNING: Causes GI injury, skin and eye irritation Alfa Aesar A11768

WARNING: Irreversible damage risk, protect skin/eyes/lungs. Alfa Aesar 10651, 13989, 44519

First-Aid:

Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately NIOSH CR0600000

Exposure Routes:

inhalation, skin and/or eye contact NIOSH CR0600000

Symptoms:

Irritation eyes, nose, upper respiratory system; benign pneumoconiosis (baritosis) NIOSH CR0600000

Target Organs:

Eyes, respiratory system NIOSH CR0600000

Incompatibility:

Phosphorus, aluminum [Note: Aluminum in the presence of heat can cause an explosion.] NIOSH CR0600000

Personal Protection:

Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: Daily Remove: No recommendation Change: No recommendation Provide: Eyewash, Quick drench NIOSH CR0600000

Exposure Limits:

NIOSH REL : TWA 10 mg/m 3 (total) TWA 5 mg/m 3 (resp) OSHA PEL ?: TWA 15 mg/m 3 (total) TWA 5 mg/m 3 (resp) NIOSH CR0600000

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

ACD/LogP:	-1.031	# of Rule of 5 Violations:	0
ACD/LogD (pH 5.5):	-5.53	ACD/LogD (pH 7.4):	-5.53
ACD/BCF (pH 5.5):	1.00	ACD/BCF (pH 7.4):	1.00
ACD/KOC (pH 5.5):		ACD/KOC (pH 7.4):
#H bond acceptors:	4	#H bond donors:	2
#Freely Rotating Bonds:	0	Polar Surface Area:	82.98 Å²
Index of Refraction:		Molar Refractivity:	cm³
Molar Volume:	cm³	Polarizability:	10^-24cm³
Surface Tension:	dyne/cm	Density:	g/cm³
Flash Point:	°C	Enthalpy of Vaporization:	62.94 kJ/mol
Boiling Point:	330 °C at 760 mmHg	Vapour Pressure:	3.35E-05 mmHg at 25°C

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Barium sulfate

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Barium sulfate

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