ChemicalBook > CAS DataBase List > 5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione

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

TCI AMERICA
Tel
800-4238616
Fax
+1-888-520-1075 / +1-503-283-1987
Email
sales@tciamerica.com
Country
Americas
ProdList
23653
Advantage
75
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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:


  • 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