ChemicalBook > CAS DataBase List > Barium manganate
Barium manganate
Description References- Product Name
- Barium manganate
- CAS No.
- 7787-35-1
- Chemical Name
- Barium manganate
- Synonyms
- BARIUM MANGANATE;Bariummanganate,90%;BARIUM MANGANATE(VI);dioxido(dioxo)manganese;Bariummanganate,tech.90%;Barium manganate(VI),95%;Manganic acid barium salt;7787-35-1 Barium manganate;Bariummanganategraygreenxtl;BARIUM MANGANATE: TECH., 90%
- CBNumber
- CB3347908
- Molecular Formula
- BaH4MnO4
- Formula Weight
- 260.29
- MOL File
- 7787-35-1.mol
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Barium manganate Property
- Density
- 4.85 g/mL at 25 °C (lit.)
- form
- Fine Crystalline Powder
- Specific Gravity
- 4.85
- color
- Blue to dark blue-black
- Water Solubility
- Slightly soluble in water
- Sensitive
- Moisture Sensitive
- Merck
- 14,981
- Exposure limits
- ACGIH: TWA 0.02 mg/m3; TWA 0.1 mg/m3
OSHA: Ceiling 5 mg/m3
NIOSH: IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3 - InChI
- InChI=1S/Ba.Mn.2H2O.2O.2H/h;;2*1H2;;;;/q;+2;;;;;;/p-2
- InChIKey
- DYWPICZAWHIQFT-UHFFFAOYSA-L
- SMILES
- [Mn](=O)(=O)(O)O.[Ba]
- EPA Substance Registry System
- Manganic acid (H2MnO4), barium salt (1:1) (7787-35-1)
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 210196
- Product name
- Barium manganate
- Purity
- technical grade, 90%
- Packaging
- 5g
- Price
- $48.35
- Updated
- 2025/07/31
Sigma-Aldrich
- Product number
- 210196
- Product name
- Barium manganate
- Purity
- technical grade, 90%
- Packaging
- 25g
- Price
- $130
- Updated
- 2023/06/20
Strem Chemicals
- Product number
- 56-7075
- Product name
- Barium manganate, 90%
- Packaging
- 10g
- Price
- $86
- Updated
- 2024/03/01
Strem Chemicals
- Product number
- 56-7075
- Product name
- Barium manganate, 90%
- Packaging
- 50g
- Price
- $343
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 210196
- Product name
- Barium manganate
- Purity
- technical grade, 90%
- Packaging
- 100g
- Price
- $353
- Updated
- 2023/06/20
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Barium manganate Chemical Properties,Usage,Production
Description
Barium manganate (chemical formula BaMnO4) is a type of manganates in which the manganese is in a +6 oxidation state. It is obtained by heating manganese dioxide with barium carbonate or nitrate, or by precipitating potassium manganate with barium chloride.1 Barium manganate gives a green pigment, which was used to make manganese blue. Barium manganate can be used in the oxidation of a variety of functional groups efficiently and selectively: alcohols to carbonyls, alcohols to aldehydes, diols to lactones, thiols to disulfides, aromatic amines to azo-compounds, hydroquinone to p-benzoquinone, benzylamine to benzaldehyde, etc. 2,3
References
- N. Eastaugh, V. Walsh, T. Chaplin, R. Siddall, Pigment Compendium, 2008, ISBN: 978-0-7506-8980-9
- https://en.wikipedia.org/wiki/Barium_manganate
- http://reag.paperplane.io/00000118.htm
Chemical Properties
blue to dark blue-black fine crystalline powder
Uses
Useful for the selective oxidation of diols.
Uses
As pigment in fresco painting instead of Scheele's green because not so poisonous as latter. As mild oxidizing agent in organic synthesis.
Purification Methods
Wash the salt with conductivity H2O by decantation until the supernatant gives a faint test for Ba2+ . Remove excess H2O in a vacuum (IMPORTANT), then heat at 100o and the last traces of H2O are removed in a vacuum desiccator over P2O5. Store it over KOH. It disproportionates in hot H2O or dilute acid into Ba(MnO2)2 and MnO2, and is a mild oxidant. [Schlezinger & Siems J Am Chem Soc 46 1965 1924, Nyholm & Woolliams Inorg Synth XI 56 1968.]
Barium manganate Preparation Products And Raw materials
Raw materials
Preparation Products
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