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3,4,5,6-Tetrabromophthalic anhydride

Tetrabromophthalic anhydride

CAS: 632-79-1

Molecular Formula: C8Br4O3

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3,4,5,6-Tetrabromophthalic anhydride - Names and Identifiers

Name Tetrabromophthalic anhydride
Synonyms TBPA
bromophthal
Tetrabromophthalic anhydride
Tatrabromophthalic anhydride
3,4,5,6-tetrabromophthalicanhydride
3,4,5,6-Tetrabromophthalic anhydride
4,5,6,7-tetrabromo-3-isobenzofurandione
3-Isobenzofurandione,4,5,6,7-tetrabromo-1
4,5,6,7-Tetrabromo-2-benzofuran-1,3-dione
4,5,6,7-Tetrabromo-1,3-isobenzofurandione
1,3-Isobenzofurandione,4,5,6,7-tetrabromo-
1,3-Isobenzofurandione, 4,5,6,7-tetrabromo-
CAS 632-79-1
EINECS 211-185-4
InChI InChI=1/C8Br4O3/c9-3-1-2(8(14)15-7(1)13)4(10)6(12)5(3)11

3,4,5,6-Tetrabromophthalic anhydride - Physico-chemical Properties

Molecular FormulaC8Br4O3
Molar Mass463.7
Density2.771g/cm3
Melting Point274-280℃
Boling Point540.5°C at 760 mmHg
Flash Point280.7°C
Water Solubilityhydrolysis
Vapor Presure9.54E-12mmHg at 25°C
Storage ConditionRoom Temprature
Refractive Index1.725
MDLMFCD00005919
Physical and Chemical Properties

characteristics yellowish white powder.
melting point 274~276 ℃
solubility: insoluble in water and aliphatic hydrocarbon solvent, soluble in nitrobenzene, N,N-dimethylformamide, slightly soluble in acetone, xylene, chlorinated hydrocarbon solvent, dioxane.

UseIs a reactive flame retardant, can be used for polyester resin, epoxy resin flame retardant, can also be used as additive flame retardant, for PS, PP, PE, ABS resin flame retardant

3,4,5,6-Tetrabromophthalic anhydride - Risk and Safety

Hazard SymbolsXi - Irritant
Irritant
Risk CodesR36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS24/25 - Avoid contact with skin and eyes.

3,4,5,6-Tetrabromophthalic anhydride - Upstream Downstream Industry

Raw MaterialsPhthalic anhydride
Bromine
Bromine

3,4,5,6-Tetrabromophthalic anhydride - Nature

Open Data Verified Data

a light yellow-white powder with a bromine content of 68.9%. The melting point was 274-276 °c. Insoluble in water and aliphatic hydrocarbon solvent, soluble in nitrobenzene, N,N-= methyl formamide, slightly soluble in acetone, xylene, chlorinated hydrocarbon solvent, dioxane.

Last Update：2024-01-02 23:10:35

3,4,5,6-Tetrabromophthalic anhydride - Preparation Method

Open Data Verified Data

phthalic anhydride is dissolved in fuming sulfuric acid, with iodine and iron powder as catalyst, bromine is added when heated to 75 ℃, and then the temperature is increased to 200 ℃ for reaction, the crude product was precipitated, filtered, washed with sulfuric acid and dried to produce a finished product. HBr, a by-product in the reaction, was absorbed with water for use. In addition, the phthalic anhydride is dissolved in chlorosulfonic acid, and sulfur and bromine are added for reaction to prepare tetrabromo phthalic anhydride.

Last Update：2022-01-01 10:43:56

3,4,5,6-Tetrabromophthalic anhydride - Use

Open Data Verified Data

This product is a reactive flame retardant, can be used for polyester, epoxy resin. It can also be used as an additive flame retardant. Its zinc salt electrical insulation is good, can be used for polystyrene, polypropylene, polyethylene, ABS resin.

Last Update：2022-01-01 10:43:56

3,4,5,6-Tetrabromophthalic anhydride - Safety

Open Data Verified Data
  • This product is toxic, rat oral LD50 ≥ 50mg/kg. Can stimulate the skin and mucous membranes. Protective gear should be worn during operation.
  • the use of plastic bags lined with wood or iron drum packaging. Protection from light and heat. According to the provisions of the storage and transportation of toxic chemicals.
Last Update：2022-01-01 10:43:57
3,4,5,6-Tetrabromophthalic anhydride
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JIANGSU BSECHEM CHEMICAL TECHNOLOGY CO., LTD.
Spot supply
Product Name: Tetrabromophthalic anhydride Request for quotation
CAS: 632-79-1
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3787852685 Click to send a QQ messageSend QQ message
Nantong Reform Petro-Chemical CO., LTD.
Spot supply
Product Name: Tetrabromophthalic anhydride Request for quotation
CAS: 632-79-1
Tel: +86-17551318830
Email: r@reformchem.com­
Mobile: +86-17551318830
QQ: 3785839865 Click to send a QQ messageSend QQ message
Hefei TNJ Chemical Industry Co.,Ltd.
Product Name: Tetrabromophthalic anhydride Request for quotation
CAS: 632-79-1
Tel: 0086-551-65418684
Email: sales@tnjchem.com
　　　　 info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840 Click to send a QQ message
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
Shanghai Yuanye Bio-Technology Co., Ltd.
Product Name: Tetrabromophthalic Anhydride Visit Supplier Webpage Request for quotation
CAS: 632-79-1
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409 Click to send a QQ message
Wechat: 18301782025
View History
3,4,5,6-Tetrabromophthalic anhydride
Raw Materials for 3,4,5,6-Tetrabromophthalic anhydride
Phthalic anhydride
Bromine
Bromine
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