Crossin New Materials Co., Ltd.

Product name

Chemical name:

Tetrabromophthalic anhydride

Short Name:

TBPA

Synomus:

4,5,6,7-Tetrabromo-1,3-isobenzofurandione

CAS No.

632-79-1

EC No.

211-185-4

MolecularFormula

C₈Br₄O₃

Molecular Weight

463.7

Properties

It is white or light yellow powder; melting point: 270-281℃;soluble in nitrobenzene, dimethylformamide, lightly soluble in acetone, methylbenzene, dimethylbenzene, methyl alcohol, dioxane, tetrahydrofuran and acetic acid

In according with standard of our company Q/320928CGY001-2003

Item

Unit

Index

Appearance

---

White or light yellow powder

Bromine content

%

≥67

Melting point

℃

≥270

Sulfate radical

%

≤0.3

Moisture

%

≤0.2

Product features

It has features of high bromine content, low additive amount and fine flame retardant efficiency. In addition it has fine light and heat stability, mechanical property and electrical insulation property. It is environmental friendly.

Use

It is reaction type fire retardant used in polyester, unsaturated polyester and
epoxy resin. And it is used as adding type fire retardant in polystyrene,
polypropylene, polyethylene and ABG resin. In addition, it is used in other
engineering plastic, synthetic material and other fine chemical synthesis.

Packaging, storage and transportation

Polyvinyl plastics inner bag and woven bag;
25kg/bag or on requirement;
should be preserved in dry and ventilated place