Tetrabromophthalic anhydride

Base Information

• Chemical Name: Tetrabromophthalic anhydride
• CAS No.: 632-79-1
• Deprecated CAS: 72625-95-7
• Molecular Formula: C8Br4O3
• Molecular Weight: 463.702
• Hs Code.: 2917.39
• European Community (EC) Number: 211-185-4
• NSC Number: 4874
• UNII: Q8E543QKMK
• DSSTox Substance ID: DTXSID6026084
• Nikkaji Number: J844C
• Wikidata: Q27287114
• ChEMBL ID: CHEMBL1406645
• Mol file: 632-79-1.mol

Synonyms:Phthalicanhydride, tetrabromo- (6CI,7CI,8CI);3,4,5,6-Tetrabromophthalic anhydride;Bromphthal;FG 4000;FireMaster PHT 4;NSC 4874;PHT 4;Saytex RB 49;Tetrabromophthalic acid anhydride;

Chemical Property of Tetrabromophthalic anhydride

Chemical Property:

• Appearance/Colour: white to light yellow powder
• Vapor Pressure: 0.11 mm Hg ( 180 °C)
• Melting Point: 269-271 °C(lit.)
• Refractive Index: 1.725
• Boiling Point: 540.5 °C at 760 mmHg
• Flash Point: 280.7 °C
• PSA: 43.37000
• Density: 2.771 g/cm³
• LogP: 4.04720
• Storage Temp.: Store below +30°C.
• Sensitive.: Moisture Sensitive
• Solubility.: Chloroform (Slightly), DMSO (Slightly, Sonicated), Methanol (Sparingly, Heated,
• Water Solubility.: hydrolysis
• XLogP3: 4.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 463.65400
• Heavy Atom Count: 15
• Complexity: 291

Purity/Quality:

Bromine 67% min. ^*data from raw suppliers

Tetrabromophthalic anhydride ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38-43
• Safety Statements: 26-37/39-24/25-36/37

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Plastics & Rubber -> Acid Anhydrides, Cyclic
• Canonical SMILES: C12=C(C(=C(C(=C1Br)Br)Br)Br)C(=O)OC2=O
• Uses: Tetrabromophthalic Anhydride is a brominated flame retardant used as additives in plastics to decrease the rate of combustion of these materials, leading to greater consumer safety. tetrabromophthalic anhydride is a reactive flame retardant, can be used for polyester resin, epoxy resin, flame retardant, also can be used for flame retardant for PS, PP, PE, flame-retardant ABS resin.

Technology Process of Tetrabromophthalic anhydride

There total 5 articles about Tetrabromophthalic anhydride 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: 95.1%

phthalic anhydride (85-44-9) → Tetrabromophthalic anhydride (632-79-1)

Guidance literature:

With sulfuric acid; bromine; tin(IV) chloride; at 30 - 80 ℃; for 13h; Reagent/catalyst; Temperature;

Reference yield:

4-bromophthalic anhydride (86-90-8) → Tetrabromophthalic anhydride (632-79-1)

Guidance literature:

With iron(III) chloride; sulfuric acid; bromine; iodine; at 50 - 150 ℃; for 3h;

Reference yield:

tetrabromobenzene-1,2-dicarboxylic acid (13810-83-8) → Tetrabromophthalic anhydride (632-79-1)

Guidance literature:

durch Sublimation;

upstream raw materials:

phthalic anhydride

tetrabromobenzene-1,2-dicarboxylic acid

sulfuric acid

bromine

Downstream raw materials:

dipropyl 2,3,4,5-tetrabromophthalate

2,3,4,5-tetrabromo-6-(pyrene-1-carbonyl)-benzoic acid

2,3,4,5-tetrabromo-6-(fluorene-2-carbonyl)-benzoic acid

2,3,4,5-tetrabromo-6-(5,6,7,8-tetrahydro-[2]naphthoyl)-benzoic acid

Refernces

• 1、 -. "Method for preparing tetrabromophthalic anhydride". Paragraph 0021; 0026. . Retrieved 2016/12/16.
• 2、 -. "Divinyl compounds and chromogenic recording-material prepared by using thereof". . . Retrieved 2008/06/13.