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| CAS No.: | 7789-61-9 |
|---|---|
| Name: | Antimony tribromide |
| Article Data: | 80 |
| Molecular Structure: | |
|
|
|
| Formula: | Br3Sb |
| Molecular Weight: | 361.462 |
| Synonyms: | Antimony tribromide; |
| Density: | g/cm3 |
| Melting Point: | 97oC |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Solubility: | decomposed by H2O; soluble dilute HCl, HBr [HAW93] [MER06] |
| Hazard Symbols: | Xn,N |
| Risk Codes: | 20/22-51/53 |
| Safety: | A poison. Corrosive to skin, eyes, and mucous membranes. Reaction with water liberates HBr and antimony trioxide. Can cause severe burns. See also ANTIMONY COMPOUNDS. |
| PSA: | 0.00000 |
| LogP: | 2.53680 |
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- 7440-36-0
antimony
- 74-83-9
methyl bromide
A
- 54553-06-9
dibromo(methyl)stibine
B
- 149442-29-5
dimethyltribromostibine
C
- 7789-61-9
antimony(III) bromide
| Conditions | Yield |
|---|---|
| With copper passing CH3Br over powdered Sb and copper (ratio 10:1) at 350°C; fractionation; boiling range from 120 to 130°C at 14 Torr; | A 40% B 38% C 22% |
| With copper passing CH3Br over powdered Sb and copper (ratio 10:1) at 350°C; fractionation; boiling range from 120 to 130°C at 14 Torr; | A 40% B 38% C 22% |
- 7440-36-0
antimony
- 74-83-9
methyl bromide
A
- 54553-06-9
dibromo(methyl)stibine
B
- 7789-61-9
antimony(III) bromide
C
- 53234-94-9
dimethylantimony bromide
| Conditions | Yield |
|---|---|
| With hydrogen heating of Sb and Cu powder on asbestos for 3 h at 350°C in H2, then introduction of CH3Br over 32 h; | A n/a B n/a C 30% |
| With Cu powder/asbestos; H2 heating of Sb and Cu powder on asbestos for 3 h at 350°C in H2, then introduction of CH3Br over 32 h; | A n/a B n/a C 30% |
| Conditions | Yield |
|---|---|
| With water In neat (no solvent) vac.; chemical transport; heating (500-1000°C); |
| Conditions | Yield |
|---|---|
| In tetrachloromethane | |
| In neat (no solvent) ratio bromine:Sb 3:1, heating (500°C); | |
| Sb putting into one branch of right-angle quartz ampoule, stoich. Br2 putting in second branch, Br2 solidifying (brine), evac. (ca. 1E-5 mm Hg),Br2 liquefying, Sb portions addn. to Br2, then heating to 140-150.degre e.C, cooling after reaction ceased; SbBr3 sublimation at 140-150°C in cooled part of reactor; elem. anal.; | |
| In tetrachloromethane for 5h; Inert atmosphere; Reflux; |
| Conditions | Yield |
|---|---|
| reaction at room temperature;; | |
| normal temp.;; | |
| normal temp.;; | |
| reaction at room temperature;; |
| Conditions | Yield |
|---|---|
| With aluminum tri-bromide |
| Conditions | Yield |
|---|---|
| byproducts: KCl; |
| Conditions | Yield |
|---|---|
| byproducts: Na2SO4; |
| Conditions | Yield |
|---|---|
| With hydrogen sulfide byproducts: H2; above 360°C; | |
| With bromine at 230°C with the mixt. of Br2 and CO2; | |
| With bromine In carbon disulfide excess of powdered Sb; shaking; at the beginning cooling with H2O; at the end 40-45 °C; filtering, crystn.; |
| Conditions | Yield |
|---|---|
| With bromine | |
| With Br2 |
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- Total:17 Page 1 of 1 1
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Chemistry
IUPAC Name: tribromostibane
Molecular Weight: 361.472 g/mol
Molecular Formula: Br3Sb
Melting Point: 97 °C
Boiling Point: 280 °C
Density: 4.15 g/mL at 25 °C(lit.)
Appreance: yellow crystalline powder
Vapor pressure: 1 mmHg ( 94 °C)
Refractive index: 1.74
Flash Point: 280 °C
Sensitive: moisture sensitive
Merck: 14.706
EINECS: 232-179-8
Exact Mass: 359.656784
MonoIsotopic Mass: 357.658831
Heavy Atom Count: 4
Complexity: 8
InChIKey: RPJGYLSSECYURW-UHFFFAOYSA-K
Synonyms of Antimony tribromide (CAS NO.7789-61-9) : Antimonousbromide ; Antimonybromide(sbbr3) ; Antimonytribromide , solid; Antimonytribromide , solution; Stibine, tribromo- ; Tribromo-stibin ; Tribromostibine ; Tribromo-Stibine
Uses
Antimony tribromide (CAS NO.7789-61-9) is used to make other antimony compounds, in chemical analysis, and in dyeing.
Consensus Reports
Antimony and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.
Safety Profile
A poison. Corrosive to skin, eyes, and mucous membranes. Reaction with water liberates HBr and antimony trioxide. Can cause severe burns. See also ANTIMONY COMPOUNDS.
Hazard Codes: 
Xn, 
N
Risk Statements: 20/22-51/53
R20/22: Harmful by inhalation and if swallowed
R51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 61
S61: Avoid release to the environment. Refer to special instructions / safety data sheets
RIDADR: UN 3260 8/PG 2
WGK Germany: 2
RTECS: CC4400000
HazardClass: 8
PackingGroup: II
Standards and Recommendations
OSHA PEL: TWA 0.5 mg(Sb)/m3
ACGIH TLV: TWA 0.5 mg(Sb)/m3
DOT Classification: 8; Label: Corrosive
Specification
General Description: Antimony tribromide (CAS NO.7789-61-9) is the yellow crystalline solid dissolved in hydrobromic acid. Antimony tribromide (CAS NO.7789-61-9) is decomposed by water giving an antimony oxide and hydrobromic acid. Antimony tribromide (CAS NO.7789-61-9) is corrosive to metals and tissue.
Air & Water Reactions: Water slowly hydrolyzes antimony tribromide to form antimony (III) oxide and hydrobromic acid. The dry powdered oxide ignites on heating in air.
Reactivity: Profile Acidic salts, such as Antimony tribromide (CAS NO.7789-61-9) , are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.
Health Hazard: Antimony tribromide (CAS NO.7789-61-9) is toxic; If people inhalate, ingest or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death. Reaction with water or moist air will release toxic, corrosive or flammable gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Fire Hazard: Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Vapors may accumulate in confined areas (basement, tanks, hopper/tank cars etc.). Substance will react with water (some violently), releasing corrosive and/or toxic gases and runoff. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated or if contaminated with water.