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632-79-1

Basic Information
CAS No.: 632-79-1
Name: Tetrabromophthalic anhydride
Article Data: 10
Molecular Structure:
Molecular Structure of 632-79-1 (Tetrabromophthalic anhydride)
Formula: C8Br4O3
Molecular Weight: 463.702
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;
EINECS: 211-185-4
Density: 2.771 g/cm3
Melting Point: 269-271 °C(lit.)
Boiling Point: 540.5 °C at 760 mmHg
Flash Point: 280.7 °C
Solubility: hydrolysis with water
Appearance: white to light yellow powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-37/39-24/25
PSA: 43.37000
LogP: 4.04720
Synthetic route
85-44-9

phthalic anhydride

632-79-1

Tetrabromophthalic anhydride

Conditions
ConditionsYield
With sulfuric acid; bromine; tin(IV) chloride at 30 - 80℃; for 13h; Reagent/catalyst; Temperature;95.1%
With sulfuric acid; bromine; iodine
With sulfuric acid; bromine at 60℃; anschliessend Erhitzen auf 200grad;
With sulfuric acid; bromine at 60℃; anschliessend Erhitzen auf 200grad;
13810-83-8

tetrabromobenzene-1,2-dicarboxylic acid

632-79-1

Tetrabromophthalic anhydride

Conditions
ConditionsYield
durch Sublimation;
85-44-9

phthalic anhydride

7664-93-9

sulfuric acid

7726-95-6

bromine

632-79-1

Tetrabromophthalic anhydride

Conditions
ConditionsYield
at 60℃; anschl. Erhitzen auf 200grad;
at 60℃; anschl. Erhitzen auf 200grad;
86-90-8

4-bromophthalic anhydride

632-79-1

Tetrabromophthalic anhydride

Conditions
ConditionsYield
With iron(III) chloride; sulfuric acid; bromine; iodine at 50 - 150℃; for 3h;
110-89-4

piperidine

632-79-1

Tetrabromophthalic anhydride

80992-18-3

4,5,6,7-tetrabromo-3-hydroxy-3-piperidinophthalide

Conditions
ConditionsYield
In ethyl acetate for 1h; Heating;99%
632-79-1

Tetrabromophthalic anhydride

35303-76-5

4-(2-aminoethyl)benzenesulfonamide

1454891-19-0

4-(2-(4,5,6,7-tetrabromo-1,3-dioxoisoindolin-2-yl)ethyl)benzenesulfonamide

Conditions
ConditionsYield
With acetic acid at 130℃; for 1.5h; Inert atmosphere;99%
With acetic acid for 12h; Reflux;
632-79-1

Tetrabromophthalic anhydride

56073-96-2

methyl N-[5(6)-(4-aminophenylsulfanyl)benzimidazol-2-yl]carbamate

sodium; 2,3,4,5-tetrabromo-6-[4-(2-methoxycarbonylamino-1H-benzoimidazol-5-ylsulfanyl)-phenylcarbamoyl]-benzoate

Conditions
ConditionsYield
With sodium acetate; acetic acid at 40 - 45℃; for 3h;98%
26782-71-8

D-tert-leucine

632-79-1

Tetrabromophthalic anhydride

N-tetrabromophthaloyl-(R)-tert-leucine

Conditions
ConditionsYield
With triethylamine In toluene Reflux;97%
632-79-1

Tetrabromophthalic anhydride

13810-83-8

tetrabromobenzene-1,2-dicarboxylic acid

Conditions
ConditionsYield
Stage #1: Tetrabromophthalic anhydride With potassium hydroxide In water for 0.5h; Inert atmosphere; Reflux;
Stage #2: With hydrogenchloride In water at 20℃; Inert atmosphere;
96%
1653-40-3

6-methylheptanol

632-79-1

Tetrabromophthalic anhydride

isooctyl 2,3,4,5-tetrabromobenzoate

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl acetamide at 55℃; for 3.5h; Temperature; Concentration; Reagent/catalyst; Solvent;95.6%
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  • Tetrabromophthalic anhydride CAS NO.632-79-1 CAS NO.632-79-1  CAS NO.632-79-1

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Chemistry

The Molecular formula of 3,4,5,6-TETRABROMOPHTHALIC ANHYDRIDE(632-79-1): C8Br4O3
The Molecular Weight of 3,4,5,6-TETRABROMOPHTHALIC ANHYDRIDE(632-79-1): 463.7
Molecular Structure : 
EINECS: 211-185-4
Index of Refraction: 1.725 
Molar Refractivity: 66.44 cm
Molar Volume: 167.3 cm
Polarizability: 26.33 10-24 cm
Surface Tension: 72 dyne/cm 
Density: 2.771 g/cm
Boiling Point: 540.5 °C at 760 mmHg
Flash Point: 280.7 °C 
Enthalpy of Vaporization: 81.81 kJ/mol  
Vapour Pressure: 9.54E-12 mmHg at 25°C 
Water Solubility: hydrolysis
IUPAC Name: 4,5,6,7-tetrabromo-2-benzofuran-1,3-dione
Synonyms: 1,3-Isobenzofurandione, 4,5,6,7-tetrabromo-;1,3-Isobenzofurandione,4,5,6,7-tetrabromo-;4,5,6,7-Tetrabromo-2-benzofuran-1,3-dione;4,5,6,7-tetrabromo-3-isobenzofurandione;bromophthal;3,4,5,6-Tetrabromophthalic anhydride;3,4,5,6-tetrabromophthalicanhydride;3-Isobenzofurandione,4,5,6,7-tetrabromo-1;

Toxicity Data With Reference

1.   

eye-rbt 100 mg MLD

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) OTS0523271 .
2.   

orl-rat LD50:>10 g/kg

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) OTS0539755 .
3.   

ihl-rat LC :>10,920 mg/m3/4H

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) OTS0522251 .
4.   

skn-rbt LD50:>10 g/kg

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) OTS0522251 .
5.   

skn-gpg LD50:>1 g/kg

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) OTS0521611 .

Safety Profile

Low toxicity by ingestion, inhalation, and skin contact. A mild eye irritant. When heated to decomposition it emits toxic vapors of Br.
The Hazard Codes of 3,4,5,6-TETRABROMOPHTHALIC ANHYDRIDE(632-79-1):  Xi
HS Code: 29173911
The Risk Statements information of 3,4,5,6-TETRABROMOPHTHALIC ANHYDRIDE(632-79-1):
36/37/38:  Irritating to eyes, respiratory system and skin 
The Safety Statements information of 3,4,5,6-TETRABROMOPHTHALIC ANHYDRIDE(632-79-1):
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
24/25:  Avoid contact with skin and eyes 
37/39:  Wear suitable gloves and eye/face protection 
WGK Germany: 2
RTECS: TI3350000