Skip to the beginning of the images gallery

3,6-Dibromophthalic Anhydride - 98%, high purity , CAS No.25834-16-6

COA

Grade & Purity:

≥98%

Cas Number: 25834-16-6
Molecular Weight: 305.91
PubChem CID: 54169537
PubChem SID: 504771307

In stock

Item Number

D155688

Grouped product items
SKU	Size	Availability	Price
D155688-250mg	250mg	1	$168.90
D155688-1g	1g	1	$517.90
D155688-5g	5g	1	$2,329.90

View related series

Carboxylic anhydride (130) Non heterocyclic block (8163)

Basic Description

Synonyms	4,7-Dibromoisobenzofuran-1,3-dione \| T70674 \| 4,7-DIBROMO-2-BENZOFURAN-1,3-DIONE \| 3,6-Dibromophthalic Anhydride \| 3,6-dibromo-phthalic anhydride \| AS-59756 \| SCHEMBL855646 \| 4,7-dibromo-1,3-dihydro-2-benzofuran-1,3-dione \| 1,3-Isobenzofurandione, 4,7-dib
Specifications & Purity	≥98%
Storage Temp	Argon charged
Shipped In	Normal

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organoheterocyclic compounds
  - Class Benzofurans
    - Subclass Benzofuranones

Kingdom	Organic compounds
Superclass	Organoheterocyclic compounds
Class	Benzofurans
Subclass	Benzofuranones
Intermediate Tree Nodes	Not available
Direct Parent	Phthalic anhydrides
Alternative Parents	Isobenzofuranones Dicarboxylic acids and derivatives Benzenoids Aryl bromides Vinylogous halides Carboxylic acid anhydrides Oxacyclic compounds Organooxygen compounds Organobromides Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	Phthalic anhydride - Phthalic_anhydride - Isobenzofuranone - Isocoumaran - Benzenoid - Dicarboxylic acid or derivatives - Aryl halide - Aryl bromide - Vinylogous halide - Carboxylic acid anhydride - Oxacycle - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organobromide - Organohalogen compound - Aromatic heteropolycyclic compound
Description	This compound belongs to the class of organic compounds known as phthalic anhydrides. These are compounds containing a phthalic anhydride moiety (or a derivative thereof), which consists of a benzene fused to a furan-1,3-dione.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	504771307
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504771307
IUPAC Name	4,7-dibromo-2-benzofuran-1,3-dione
INCHI	InChI=1S/C8H2Br2O3/c9-3-1-2-4(10)6-5(3)7(11)13-8(6)12/h1-2H
InChIKey	OUAOHMOFJGFOSR-UHFFFAOYSA-N
Smiles	C1=CC(=C2C(=C1Br)C(=O)OC2=O)Br
Isomeric SMILES	C1=CC(=C2C(=C1Br)C(=O)OC2=O)Br
Molecular Weight	305.91
Reaxy-Rn	164698
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=164698&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot Number	Certificate Type	Date	Item
H2328527	Certificate of Analysis	Aug 03, 2023	D155688
H2328528	Certificate of Analysis	Aug 03, 2023	D155688
H2328526	Certificate of Analysis	Aug 03, 2023	D155688

Chemical and Physical Properties

Sensitivity	Moisture Sensitive
Melt Point(°C)	209 °C
Molecular Weight	305.910 g/mol
XLogP3	2.700
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	305.835 Da
Monoisotopic Mass	303.837 Da
Topological Polar Surface Area	43.400 Å²
Heavy Atom Count	13
Formal Charge	0
Complexity	240.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Mass

Concentration

Volume

M. Wt*

g/mol

*When preparing stock solutions, always use the batch-specific molecular weight of the product found on the vial label and the Certificate of Analysis (available online).

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Concentration 1 (C1)

Volume 1 (V1)

Concentration 2 (C2)

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator enables you to quickly determine the volume of a reagent needed to reconstitute your vial. Just enter the mass of the reagent and the target concentration, and the calculator will do the rest.

Volume (to add to vial)

Mass (in vial)

Desired Reconstitution Concentration