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| CAS No.: | 558-13-4 | |
|---|---|---|
| Name: | Carbon tetrabromide | |
| Article Data: | 96 | |
| Molecular Structure: | ||
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|
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| Formula: | CBr4 | |
| Molecular Weight: | 331.627 | |
| Synonyms: | Carbontetrabromide (8CI);Carbon bromide (CBr4);Methane tetrabromide;NSC 6179;Tetrabromomethane; | |
| EINECS: | 209-189-6 | |
| Density: | 3.39 g/cm3 | |
| Melting Point: | 88-90 °C(lit.) | |
| Boiling Point: | 181.235 °C at 760 mmHg | |
| Flash Point: | 65.413 °C | |
| Solubility: | ||
| Appearance: | colorless crystalline solid | |
| Hazard Symbols: |
 T+, Xi, N
|
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| Risk Codes: | 37/38-41-36-26-52/53 | |
| Safety: | 26-36-45-27-24-61 | |
| Transport Information: | UN 2516 6.1/PG 3 | |
| PSA: | 0.00000 | |
| LogP: | 3.17730 | |
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- 563-79-1
2,3-Dimethyl-2-butene
- 75-61-6
dibromodifluoromethane
A
- 558-13-4
carbon tetrabromide
B
- 823-25-6
1,1-difluoro-2,2,3,3-tetramethylcyclopropane
| Conditions | Yield |
|---|---|
| With potassium hydroxide; 1,2-dibromomethane; tetra(n-butyl)ammonium hydrogensulfate at 18 - 20℃; for 27h; Product distribution; Mechanism; other alkenes; | A n/a B 70% |
- 593-60-2
Vinyl bromide
- 75-25-2
Bromoform
A
- 558-13-4
carbon tetrabromide
B
- 178425-55-3
1,1,2-tribromocyclopropane
| Conditions | Yield |
|---|---|
| With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride at 0℃; | A 5% B 30% |
| Conditions | Yield |
|---|---|
| With potassium hydroxide; 18-crown-6 ether; sodium iodide In dichloromethane; water at 0℃; for 48h; Iodination; substitution; Title compound not separated from byproducts; | A 20% B 7% |
- 34557-54-5
methane
A
- 74-83-9
methyl bromide
B
- 75-25-2
Bromoform
C
- 558-13-4
carbon tetrabromide
D
- 74-95-3
1,2-dibromomethane
| Conditions | Yield |
|---|---|
| With bromine at 500℃; Product distribution; Further Variations:; Temperatures; Bromination; | A 17.4% B 0.48% C 2.5% D 5% |
| Conditions | Yield |
|---|---|
| With bromine at 180 - 200℃; | |
| With bromine; iodine(I) bromide at 150℃; | |
| With bromine; antimony(III) bromide at 150℃; an Stelle von Antimontribromid koennen auch andere Bromide z.B. des Wismuts,Arsens,Goldes verwendet werden; | |
| With aluminium trichloride; bromine |
| Conditions | Yield |
|---|---|
| With aluminum tri-bromide at 0℃; |
| Conditions | Yield |
|---|---|
| With ethyl bromide; aluminum tri-bromide | |
| With aluminum tri-bromide at 100℃; | |
| With aluminium trichloride; hydrogen bromide | |
| With ethyl bromide; aluminum tri-bromide |
| Conditions | Yield |
|---|---|
| With bromine |
| Conditions | Yield |
|---|---|
| With bromine |
| Conditions | Yield |
|---|---|
| With bromine |
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Consensus Reports
Reported in EPA TSCA Inventory.
Standards and Recommendations
OSHA PEL: TWA 0.1 ppm; STEL 0.3 ppm
ACGIH TLV: TWA 0.1 ppm; STEL 0.3 ppm
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD
Specification
The Tetrabromomethane, with the CAS registry number 558-13-4, is also known as Methane, tetrabromo-. It belongs to the product categories of Aromatic Hydrocarbons (substituted) & Derivatives; Organics. Its EINECS registry number is 209-189-6. This chemical's molecular formula is CBr4 and molecular weight is 331.6267. Its IUPAC name is called tetrabromomethane.
Physical properties of Tetrabromomethane: (1)ACD/LogP: 3.54; (2)ACD/LogD (pH 5.5): 3.544; (3)ACD/LogD (pH 7.4): 3.544; (4)ACD/BCF (pH 5.5): 290.626; (5)ACD/BCF (pH 7.4): 290.626; (6)ACD/KOC (pH 5.5): 2017.72; (7)ACD/KOC (pH 7.4): 2017.72; (8)Index of Refraction: 1.694; (9)Molar Refractivity: 37.575 cm3; (10)Molar Volume: 97.817 cm3; (11)Surface Tension: 63.004 dyne/cm; (12)Density: 3.39 g/cm3; (13)Flash Point: 65.413 °C; (14)Enthalpy of Vaporization: 40.038 kJ/mol; (15)Boiling Point: 181.235 °C at 760 mmHg; (16)Vapour Pressure: 1.17 mmHg at 25°C.
Preparation: this chemical can be prepared by CCl4 and AlBr3.
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Uses of Tetrabromomethane: It is used as a solvent for greases, waxes and oils, in plastic and rubber industry for blowing and vulcanization, further for polymerization, as a sedative and as an intermediate in manufacturing agrochemicals. Due to its non-flammability it is used as an ingredient in fire resistant chemicals. It is also used for separating minerals because of its high density.
When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It may present an immediate or delayed danger to one or more components of the environment. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C(Br)(Br)(Br)Br
(2)InChI: InChI=1S/CBr4/c2-1(3,4)5
(3)InChIKey: HJUGFYREWKUQJT-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intravenous | 56mg/kg (56mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#01612, | |
| mouse | LD50 | subcutaneous | 298mg/kg (298mg/kg) | Toxicology and Applied Pharmacology. Vol. 4, Pg. 354, 1962. |