Tetrabromophthalic anhydride
Tetrabromophthalic anhydride
CAS: 632-79-1
Molecular Formula: C8Br4O3
Tetrabromophthalic anhydride - Names and Identifiers
Tetrabromophthalic anhydride - Physico-chemical Properties
| Molecular Formula | C8Br4O3 |
| Molar Mass | 463.7 |
| Density | 2.771g/cm3 |
| Melting Point | 274-280℃ |
| Boling Point | 540.5°C at 760 mmHg |
| Flash Point | 280.7°C |
| Water Solubility | hydrolysis |
| Vapor Presure | 9.54E-12mmHg at 25°C |
| Storage Condition | Room Temprature |
| Refractive Index | 1.725 |
| MDL | MFCD00005919 |
| Physical and Chemical Properties | characteristics yellowish white powder. |
| Use | Is 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 |
Tetrabromophthalic anhydride - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. |
Tetrabromophthalic anhydride - Upstream Downstream Industry
| Raw Materials | Phthalic anhydride Bromine Bromine |
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
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
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
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
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View History
Tetrabromophthalic anhydride
4-Chloro-1-(2,2-diethoxy-ethyl)-3-nitro-1H-pyrazole
1-(4-chlorophenyl)cyclopropanecarbaldehyde
Pentanoic acid, 5-bromo-2-methyl-, 1,1-dimethylethyl ester
4-Fluoro-4-deoxy-β-D-glucopyranose
叔丁氧基三甲硅烷
3350-19-4
96799-03-0
尼可地尔杂质5
四正丁基乙酸铵
4-Chloro-1-(2,2-diethoxy-ethyl)-3-nitro-1H-pyrazole
1-(4-chlorophenyl)cyclopropanecarbaldehyde
Pentanoic acid, 5-bromo-2-methyl-, 1,1-dimethylethyl ester
4-Fluoro-4-deoxy-β-D-glucopyranose
叔丁氧基三甲硅烷
3350-19-4
96799-03-0
尼可地尔杂质5
四正丁基乙酸铵
Raw Materials for Tetrabromophthalic anhydride