Dibromomaleic acid

Base Information

• Chemical Name: Dibromomaleic acid
• CAS No.: 608-37-7
• Deprecated CAS: 101036-44-6
• Molecular Formula: C4H2Br2O4
• Molecular Weight: 273.865
• Hs Code.: 2917190090
• European Community (EC) Number: 210-162-6
• NSC Number: 263482
• DSSTox Substance ID: DTXSID50883466
• Nikkaji Number: J1.654C
• Wikidata: Q76145861
• Mol file: 608-37-7.mol

Synonyms:Dibromomaleic acid;608-37-7;Maleic acid, dibromo-;2,3-Dibromomaleic acid;DIBROMOMALEICACID;(Z)-2,3-dibromobut-2-enedioic acid;2-Butenedioic acid, 2,3-dibromo-, (2Z)-;2-Butenedioic acid, 2,3-dibromo-, (Z)-;EINECS 210-162-6;NSC 263482;C4H2Br2O4;Dibromomaleic acid, 97%;SCHEMBL713652;C4-H2-Br2-O4;DTXSID50883466;(2Z)-dibromobut-2-enedioic acid;NSC263482;NSC-263482;2-Butenedioic acid,3-dibromo-, (Z)-;(2Z)-2,3-Dibromo-2-butenedioic acid #;Dibromomaleic acid, purum, >=97.0% (T)

Chemical Property of Dibromomaleic acid

Chemical Property:

• Appearance/Colour: white to slightly yellow powder
• Vapor Pressure: 2.8E-06mmHg at 25°C
• Melting Point: ~125 °C (dec.)(lit.)
• Refractive Index: 1.4840 (estimate)
• Boiling Point: 363.7 °C at 760 mmHg
• PKA: 0.01±0.44(Predicted)
• Flash Point: 173.7 °C
• PSA: 74.60000
• Density: 2.648 g/cm³
• LogP: 1.15700
• XLogP3: 1.4
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 273.82993
• Heavy Atom Count: 10
• Complexity: 185

Purity/Quality:

98%,99%, ^*data from raw suppliers

Dibromomaleic acid 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-28-37

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C(=C(C(=O)O)Br)(C(=O)O)Br
• Isomeric SMILES: C(=C(\C(=O)O)/Br)(\C(=O)O)/Br

Technology Process of Dibromomaleic acid

There total 51 articles about Dibromomaleic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

water (7732-18-5) + bromine (7726-95-6) + Acetylenedicarboxylic acid (142-45-0) → dibromomaleic acid (608-37-7) + trans-2,3-dibromobutenedioic acid (608-38-8) + carbon dioxide (124-38-9,18923-20-1) + hydrogen bromide (10035-10-6,12258-64-9)

Guidance literature:

weitere Produkten: Oxalsaeure und Bromoform und Bromaethylendicarbonsaeure;

Reference yield:

mucobromic acid (21577-50-4) → dibromomaleic acid (608-37-7) + carbon dioxide (124-38-9,18923-20-1) + hydrogen bromide (10035-10-6,12258-64-9)

Guidance literature:

Destillieren;

Reference yield:

trans-2,3-dibromobutenedioic acid (608-38-8) → dibromomaleic acid (608-37-7) + hydrogen bromide (10035-10-6,12258-64-9)

Guidance literature:

at 230 ℃;

upstream raw materials:

2-furanoic acid

pyrrole

mucobromic acid

ethanol

Downstream raw materials:

3,4-dibromo-1-(4-chloro-2-methylphenyl)-1H-pyrrole-2,5-dione

3,4-dibromo-1-(4-phenoxyphenyl)-1H-pyrrole-2,5-dione

3,4-dibromo-1-(3-chlorobenzyl)-1H-pyrrole-2,5-dione

4-(3,4-dibromo-2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzonitrile