碳酸钡

Description

Barium carbonate · CAS 513-77-9 · BaCO3. UNII 6P669D8HQ8. Melting Point: 1380 °C (decomposes); Solubility: In water, 0.0014 g/100 g at 20 °C; Density: 4.308 g/cu cm.

Identification

CAS Registry Number	513-77-9
PubChem CID	10563
Molecular formula	BaCO3
IUPAC name	barium(2+) carbonate
UNII (FDA)	6P669D8HQ8

Computed Descriptors

Molecular Weight	197.34
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	197.889991
Monoisotopic Mass	197.889991
Topological Polar Surface Area	63.2
Heavy Atom Count	5
Formal Charge	0
Complexity	18.8

Physical & Chemical Properties

Melting Point	1380 °C (decomposes)
Solubility	In water, 0.0014 g/100 g at 20 °C
Density	4.308 g/cu cm
Density	4.43 g/cm³
Density	4.43 @25 °C

Physical description & handling notes

• Barium carbonate is a white powder. It is insoluble in water and soluble in most acids, with the exception of sulfuric acid. It has a specific gravity of 4.275. It is toxic by ingestion.
• Liquid; CBI; Dry Powder
• Water insoluble, white powder; [CAMEO]
• WHITE CRYSTALLINE POWDER.
• White, heavy powder
• Odorless

Regulatory Status

GHS notification summary	8.9% (137 / 1535)

GHS Hazard Classification

GHS notification summary	8.9% (137 / 1535)
Reported hazard statements	H302, H332 (29.1%), H301, H335, H370, H372, H361

Documented Uses

• Used to manufacture paper, special glass, ceramics, bricks, enamels, paints, rubber, electrodes, and barium salts; Used in oil well drilling, especially through gypsum; Used in brines as a precipitant and in baths as a case hardener; Was used as a rat poison; [HSDB]
• Petroleum Production and Refining [Category: Industry]
• Pulp and Paper Processing [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Glass Manufacturing [Category: Industry]
• Rat poison; in ceramics, paints, enamels, marble substitutes, rubber; as analytical reagent; manufacture of paper, barium salts, optical glasses; electrodes

Synonyms

BARIUM CARBONATE; 513-77-9; Barium monocarbonate; Witherite; Carbonic acid, barium salt (1:1); Baryta Carbonica; Barium carbonate (1:1); Barium carbonate (BaCO3); Caswell No. 069; BW-C3; BF 1 (salt); CI 77099; C.I. 77099; EPA Pesticide Chemical Code 007501; 6P669D8HQ8; Carbonic acid barium salt (1:1)

Frequently Asked Questions

What are the CAS number and molecular formula of Barium carbonate?

CAS 513-77-9; molecular formula BaCO3; molecular weight — g/mol.

What other names is Barium carbonate known by?

BARIUM CARBONATE, 513-77-9, Barium monocarbonate, Witherite, Carbonic acid, barium salt (1:1), Baryta Carbonica.

Is Barium carbonate classified as hazardous?

8.9% of GHS notifications report no hazard classification (137 of 1535).

What are the key physical properties of Barium carbonate?

Melting Point: 1380 °C (decomposes); Solubility: In water, 0.0014 g/100 g at 20 °C; Density: 4.308 g/cu cm; Density: 4.43 g/cm³.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.