Tetrabromphthalsureanhydrid
Tetrabromophthalic anhydride
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Grundinformationen
- CAS
632-79-1- Standard-SMILES
O=C1OC(=O)c2c(Br)c(Br)c(Br)c(Br)c21- InChIKey
QHWKHLYUUZGSCW-UHFFFAOYSA-N- Summenformel
- C8Br4O3
- Durchschnittliche Molmasse
- 463,7 g/mol
- Monoisotopische Masse
- 459,65809226
Überblick
Tetrabromophthalic anhydride is a pale yellow crystalline solid. (NTP, 1992)
Namen und Bezeichner
- Bevorzugter Name
- Tetrabromophthalic anhydride
- IUPAC
- 4,5,6,7-tetrabromo-2-benzofuran-1,3-dione
- Lokaler Name
- Tetrabromphthalsureanhydrid
- Englischer Name
- Tetrabromophthalic anhydride
- Summenformel
- C8Br4O3
- Molmasse
- 463.7
Namen und Synonyme
Tetrabromophthalic anhydride632-79-1BromphthalFireMaster PHT 4BromophthalTetrabromophthalic acid anhydride1,3-Isobenzofurandione, 4,5,6,7-tetrabromo-Phthalic anhydride, tetrabromo-3,4,5,6-TETRABROMOPHTHALIC ANHYDRIDESaytex RB 49PHT 4FG 4000
Weitere Namen anzeigen
4,5,6,7-Tetrabromoisobenzofuran-1,3-dionepht4fg400fg4000NSC 4874SAYTEX RB-49
Q8E543QKMKPhthalic acid, tetrabromo-, anhydrideDion 6692NSC-4874FG 400RefChem:188397PHTHALIC ACID, TETRABROMO, ANHYDRIDE211-185-4
Datenbank-Bezeichner
- CAS
632-79-1- PubChem CID
- 12443
- DTXSID
DTXSID6026084- ChEMBL
CHEMBL1406645- ChEBI
CHEBI:189155- UNII
- Q8E543QKMK
Eigenschaften
Berechnete StruktureigenschaftenWird ergänzt
- XLogP
- 4,1
- Polarare Oberfläche (TPSA)
- 43,4 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 3
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 15
- Formalladung
- 0
- Komplexität
- 291
Experimentelle und physikochemische Eigenschaften
PolymersPlastics & Rubber -> Acid Anhydrides, Cyclic
SpringerMaterials PropertiesAngular frequency
Color/Form
NEEDLES FROM ACETIC ACID-XYLENE
Pale yellow crystalline solid
Solubility
Insoluble (NTP, 1992)
INSOL IN WATER, ALC; SLIGHTLY SOL IN BENZENE; SLIGHTLY SOL IN ORG SOLVENTS; SOL IN NITROBENZENE
Insoluble in alcohol. Slightly soluble in ketone, chlorinated and aromatic solvents.
Melting Point
535.1 to 536.9 °F (NTP, 1992)
279.5-280.5 °C
Vapor Pressure0.00000057 [mmHg]
Physical Description
Tetrabromophthalic anhydride is a pale yellow crystalline solid. (NTP, 1992)
Dry Powder; CBI
Pale yellow solid; [HSDB] Powder; [MSDSonline]
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
This chemical does not meet GHS hazard criteria for 77.5% (441 of 569) of all reports.
Warning
H317 (21.6%): May cause an allergic skin reaction [Warning Sensitization, Skin]
P261, P272, P280, P302+P352, P321, P333+P317, P362+P364, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 569 reports by companies from 6 notifications to the ECHA C&L Inventory.
Gefahrenhinweise
Regulatory Information
Chemical: 1,3-Isobenzofurandione, 4,5,6,7-tetrabromo-
Hazard Traits - Nephrotoxicity and Other Toxicity to the Urinary System; Neurotoxicity
1,3-Isobenzofurandione, 4,5,6,7-tetrabromo- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1,3-Isobenzofurandione, 4,5,6,7-tetrabromo- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 13-10-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/2076
1,3-Isobenzofurandione, 4,5,6,7-tetrabromo-: Does not have an individual approval but may be used under an appropriate group standard
Fire HazardsFlash point data for this compound are not available. It is probably combustible. (NTP, 1992)
Health HazardsSYMPTOMS: Symptoms of exposure to this compound may include coughing, sneezing, respiratory system irritation, dermatitis and eye irritation.
Hazards Summary
A mutagen and mild eye irritant; Causes change in lung weight on inhalation studies of rats; [RTECS] No evidence of mutagenicity in several tests using bacteria and rat liver; [HSDB] An eye and respiratory tract irritant; [CAMEO] See ACID ANHYDRIDES.
Chemie und Industrie
Verwendung und Herstellung
Uses
Used as a reactive flame retardant (unsaturated polyester and epoxy resins, plastics, paper, and textiles) and chemical intermediate for other flame retardants; [HSDB] Also use to make sulfobromophthalein (liver function diagnostic aid); [Reference #1]
Pulp and Paper Processing [Category: Industry]
Flame retardant for plastics, paper, and textiles.
Used as a chemical intermediate for the synthesis of ethylene bis(tetrabromophthalimide); tetrabromophthalate diol
Fire-retarded unsaturated polyester resin comonomer
3,4,5,6-Tetrabromophthalic anhydride is primarily employed as a reactive flame retardant in unsaturated polyester and epoxy resin formulations. It is also used as an intermediate in the manufacture of other flame retardants, such as diallyl tetrabromophthalate and tetrabromophthalate polyol esters.
U.S. Imports(1979) 2.61X10+6 GRAMS (PRINCPL CUSTMS DISTS)
U.S. Production
2023: 10,000,000 - <25,000,000 lb
(1979) PROBABLY GREATER THAN 2.27X10+6 GRAMS
(1981) PROBABLY GREATER THAN 6.81X10+6 GRAMS
Consumption PatternsESSENTIALLY 100% AS A REACTIVE FLAME RETARDANT
Consumer UsesFlame retardant
Industry UsesIntermediate
Methods of Manufacturing
3,4,5,6-Tetrabromophthalic anhydride can be prepared by reacting phthalic anhydride and bromine in a mixture of concentrated sulfuric acid and 70% hydrogen peroxide in the presence of catalytic amounts of iodine or in chlorosulfonic acid containing a small amount of sulfur.
General Manufacturing Information
Construction
1,3-Isobenzofurandione, 4,5,6,7-tetrabromo-: ACTIVE
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