5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione

Product Name: 5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione
CAS No.: 66131-14-4
Chemical Name: 5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione
Synonyms: 5,5-dibromo-2,2-dimethyl-1,3-Dioxane-4,6-dione;Dibromomeldrum'sAcid;5,5-Dibromomeldrum's Acid;5,5-Dibromomoldrum's acid;5,5-DIBROMOMELDRUM'S ACID; >98%;2,2-dimethyl-5,5-dibromo-1,3-dioxane-4,6-dione;1,3-Dioxane-4,6-dione, 5,5-dibromo-2,2-dimethyl-;5,5-Dibromomeldrum's Acid (=5,5-Dibromo-2,2-dimethyl-4,6-dioxy-1,3-dioxane);5,5-Dibromomeldrum'sAcid(=5,5-Dibromo-2,2-dimethyl-4,6-dioxy-1,3-dioxane)>5,5-DIBROMOMELDRUM''S ACID (=5,5-DIBROMO-2,2-DIMETHYL-4,6-DIOXO-1,3-DIOXANE) 98+%
CBNumber: CB1501887
Molecular Formula: C6H6Br2O4
Formula Weight: 301.92
MOL File: 66131-14-4.mol

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5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione Property

Melting point:: 75°C
Boiling point:: 382.3±42.0 °C(Predicted)
Density: 2.052±0.06 g/cm3(Predicted)
storage temp.: Inert atmosphere,Store in freezer, under -20°C
solubility: almost transparency in Methanol
form: powder to crystal
color: White to Almost white
InChIKey: HPBNIRVIOCWRDC-UHFFFAOYSA-N
CAS DataBase Reference: 66131-14-4

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Safety

Risk Statements: 36/37/38-36/37/39-26
Safety Statements: 26-36/37/39-36/37/38
HS Code: 29322090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

TCI Chemical

Product number: D1710
Product name: 5,5-Dibromomeldrum's Acid (=5,5-Dibromo-2,2-dimethyl-4,6-dioxy-1,3-dioxane)
Purity: >98.0%(T)
Packaging: 5g
Price: $155
Updated: 2024/03/01

TCI Chemical

Product number: D1710
Product name: 5,5-Dibromomeldrum's Acid (=5,5-Dibromo-2,2-dimethyl-4,6-dioxy-1,3-dioxane)
Purity: >98.0%(T)
Packaging: 25g
Price: $532
Updated: 2024/03/01

TRC

Product number: D426393
Product name: 5,5-Dibromomeldrum''sacid
Packaging: 100mg
Price: $60
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD60648
Product name: 5,5-Dibromomeldrum's Acid
Packaging: 5G
Price: $85
Updated: 2021/12/16

AK Scientific

Product number: 4841BB
Product name: 5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione
Packaging: 5g
Price: $141
Updated: 2021/12/16

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5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione Chemical Properties,Usage,Production

Reactions

Selective α-bromination of aldehydes and α′-bromination of α,β-unsaturated ketones; reductive coupling to an ethylenetetracarboxylate.

Synthesis

The preparative method of 5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione: by bromination of Meldrum's acid (2,2-Dimethyl-1,3-dioxane-4,6-dione) (commercially available) with Bromine in the presence of Potassium Hydroxide or Sodium Hydroxide eq 1).

References

1. Bloch, R. S 1978, 140.
2. Davidson, D.; Bernhard, S. A. JACS 1948, 70, 3426.
3. Synder, H. R.; Kruse, C. W. JACS 1958, 80, 1942.
4. Novikov, V. L.; Shestak, O. P.; Kamernitskii, A. V.; Elyakov, G. B. Izv. Akad. Nauk SSSR, Ser. Khim. 1982, 476 (CA 1982, 96, 180 832).

5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione manufacturers

Career Henan Chemical Co

Product: 5,5-DIBROMOMELDRUM'S ACID 66131-14-4
Price: US $1.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 100KG
Release date: 2018-12-21

66131-14-4, 5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dioneRelated Search:

N-Iodosuccinimide

2,2-dimethyl-5,5-dibromo-1,3-dioxane-4,6-dione

5,5-Dibromomoldrum's acid

5,5-DIBROMOMELDRUM'S ACID; >98%

Dibromomeldrum'sAcid

5,5-DIBROMOMELDRUM''S ACID (=5,5-DIBROMO-2,2-DIMETHYL-4,6-DIOXO-1,3-DIOXANE) 98+%

5,5-Dibromomeldrum's Acid (=5,5-Dibromo-2,2-dimethyl-4,6-dioxy-1,3-dioxane)

5,5-Dibromo-2,2-dimethyl-4,6-dioxo-1,3-dioxane Dibromomalonic Acid Cyclic Isopropylidine Ester cycl-Isopropylidene Dibromomalonate

5,5-dibromo-2,2-dimethyl-1,3-Dioxane-4,6-dione

5,5-Dibromomeldrum'sAcid(=5,5-Dibromo-2,2-dimethyl-4,6-dioxy-1,3-dioxane)&gt

1,3-Dioxane-4,6-dione, 5,5-dibromo-2,2-dimethyl-

5,5-Dibromomeldrum's Acid

66131-14-4

Bromination

Dioxanes

Dioxanes & Dioxolanes

Halogenation

Synthetic Organic Chemistry