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| CAS No.: | 7789-59-5 |
|---|---|
| Name: | Phosphorus oxybromide |
| Article Data: | 64 |
| Molecular Structure: | |
|
|
|
| Formula: | Br3OP |
| Molecular Weight: | 286.685 |
| Synonyms: | Phosphorylbromide (6CI,7CI,8CI);Phosphonyl tribromide;Phosphorus bromide oxide (PBr3O);Phosphorus oxytribromide;Phosphoryl tribromide;Tribromophosphorus oxide;Phosphoryl bromide; |
| EINECS: | 232-177-7 |
| Density: | 3.108 g/cm3 |
| Melting Point: | 56 °C(lit.) |
| Boiling Point: | 189.5 °C at 760 mmHg |
| Flash Point: | 189°C |
| Solubility: | decomposes in water |
| Appearance: | colorless to grey-brown crystals or fused mass |
| Hazard Symbols: |
 C
|
| Risk Codes: | 14-34-37 |
| Safety: | 26-36/37/39-43-45-7/8 |
| Transport Information: | UN 1939 8/PG 2 |
| PSA: | 26.88000 |
| LogP: | 3.27920 |
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| Conditions | Yield |
|---|---|
| In neat (no solvent) refluxing at 170 to 190°C for 3 h;; distillation;; | 80% |
- 7558-02-3
potassium bromide
- 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate
- 7789-59-5
phosphorus(V) oxybromide
| Conditions | Yield |
|---|---|
| byproducts: KBr; fast flow, 690°C; |
- 13455-03-3
P(O)Cl2Br
A
- 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate
B
- 7789-59-5
phosphorus(V) oxybromide
| Conditions | Yield |
|---|---|
| In neat (no solvent) heating starting material in closed tube to 185°C;; | |
| In neat (no solvent) heating in a sealed tube;; | |
| In neat (no solvent) decomposition when heating in sealed tube or on fractionating over longer period;; |
- 86119-84-8, 7664-38-2
phosphoric acid
- 10035-10-6, 12258-64-9
hydrogen bromide
- 7789-59-5
phosphorus(V) oxybromide
| Conditions | Yield |
|---|---|
| In neat (no solvent) |
- 10035-10-6, 12258-64-9
hydrogen bromide
- 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate
A
- 13455-03-3
P(O)Cl2Br
B
- 13550-31-7
P(O)ClBr2
C
- 7789-59-5
phosphorus(V) oxybromide
| Conditions | Yield |
|---|---|
| In neat (no solvent) react. with gaseous HBr at 400-500 °C;; | |
| In neat (no solvent) react. with gaseous HBr at 400-500 °C;; |
- 64-18-6
formic acid
- 7789-69-7
phosphorus(V) bromide
A
- 10035-10-6, 12258-64-9
hydrogen bromide
B
- 7789-59-5
phosphorus(V) oxybromide
| Conditions | Yield |
|---|---|
| In neat (no solvent) heating on water bath until evolution of HBr stops;; distillation with addition of some drops of tetralin;; | A n/a B >99 |
- 13510-40-2
phosphorus trichloride dibromide
A
- 7647-01-0
hydrogenchloride
B
- 10035-10-6, 12258-64-9
hydrogen bromide
C
- 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate
D
- 7789-59-5
phosphorus(V) oxybromide
| Conditions | Yield |
|---|---|
| With H2O In water decomposition with water or acids;; |
- 13510-40-2
phosphorus trichloride dibromide
- 7732-18-5
water
A
- 7647-01-0
hydrogenchloride
B
- 10035-10-6, 12258-64-9
hydrogen bromide
C
- 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate
D
- 7789-59-5
phosphorus(V) oxybromide
| Conditions | Yield |
|---|---|
| In neat (no solvent) instead of H2O, also acids may be used;; |
- 13510-40-2
phosphorus trichloride dibromide
- 64-19-7
acetic acid
A
- 13455-03-3
P(O)Cl2Br
B
- 13550-31-7
P(O)ClBr2
C
- 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate
D
- 7789-59-5
phosphorus(V) oxybromide
| Conditions | Yield |
|---|---|
| In neat (no solvent) | |
| In neat (no solvent) reaction at ambient temperature;; | |
| In neat (no solvent) reaction at ambient temperature;; |
| Conditions | Yield |
|---|---|
| In solid matrix Irradiation (UV/VIS); Photolysis of codeposited O3 and PBr3 in an argon-matrix (successively at 630-1000, 590-1000, 520-1000 and 220-1000 nm for 20 min periods).; High-resolution IR at 1036.9 and 1040.8 1/cm.; |
- 7789-60-8Phosphorus tribromide
- 7789-61-9Antimony tribromide
- 7790-21-8Potassium periodate
- 7790-38-7PALLADIUM(II) IODIDE
- 7790-53-6Potassium metaphosphate
- 77907-28-9Disperse Red 311
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- Total:28 Page 1 of 1 1
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Consensus Reports
Reported in EPA TSCA Inventory.
Standards and Recommendations
DOT Classification: 8; Label: Corrosive
Specification
Phosphorus oxybromide(CAS NO.7789-59-5), its Synonyms are Phosphoryl tribromide; Tribromophosphorus oxide; Phosphoric tribromide. It is a acolorless crystalline solid or liquid if heated above 133° F with a pungent odor. Phosphorus oxybromide is commonly heated and shipped in a molten state. Soluble in water, but, decomposed by water to hydrobromic and phosphoric acid with evolution of heat. Reacts with organic materials to cause fire. Evolves highly toxic and corrosive gases when exposed to fire. Corrosive to metals and tissue. Used to make other chemicals. Phosphorus oxybromide is mainly used as inorganic phosphorus flame retardants, phosphorus-containing catalyst,etc.
Physical properties about Phosphorus oxybromide are: (1)ACD/LogP: 1.51; (2)ACD/LogD (pH 5.5): 1.51; (3)ACD/LogD (pH 7.4): 1.51; (4)ACD/BCF (pH 5.5): 8.28; (5)ACD/BCF (pH 7.4): 8.28; (6)#H bond acceptors: 1; (7)Index of Refraction: 1.613; (8)Molar Refractivity: 32.118 cm3; (9)Molar Volume: 92.228 cm3; (10)Polarizability: 12.733 10-24cm3; (11)Surface Tension: 63.8219985961914 dyne/cm; (12)Density: 3.109 g/cm3; (13)Boiling Point: 189.5 °C at 760 mmHg
When you are using this chemical, please be cautious about it as the following:
1. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;
2. Wear suitable protective clothing, gloves and eye/face protection;
3. In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add - Never use water);
4. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible);
5. Keep container tightly closed and dry;
You can still convert the following datas into molecular structure:
(1)InChI=1S/Br3OP/c1-5(2,3)4;
(2)InChIKey=UXCDUFKZSUBXGM-UHFFFAOYSA-N;
(3)SmilesP(=O)(Br)(Br)Br