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CAS No.: | 79-27-6 |
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Name: | 1,1,2,2-Tetrabromoethane |
Article Data: | 15 |
Molecular Structure: | |
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Formula: | C2H2Br4 |
Molecular Weight: | 345.654 |
Synonyms: | 1,1,2,2-Tetrabromoethylene;Acetylene tetrabromide;Muthmann's liquid;NSC406889;TBE; |
EINECS: | 201-191-5 |
Density: | 3.004 g/cm3 |
Melting Point: | 1 °C |
Boiling Point: | 243.5 °C at 760 mmHg |
Flash Point: | 97 °C |
Solubility: | water: 0.63 g/L (20 °C) |
Appearance: | yellowish heavy liquid |
Hazard Symbols: |
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Risk Codes: | 26-36-52/53 |
Safety: | 24-27-45-61-1/2 |
Transport Information: | UN 2504 6.1/PG 3 |
PSA: | 0.00000 |
LogP: | 3.21820 |
Conditions | Yield |
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With pentafluorosulfanyl bromide at 20℃; for 24h; Irradiation; | A n/a B n/a C 97.1% |
Conditions | Yield |
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With bromine |
Conditions | Yield |
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With aluminum tri-bromide; bromine at 105 - 110℃; |
Conditions | Yield |
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With water; bromine | |
With water; bromine; potassium bromide at 22℃; Electrolysis.unter langsamem Hindurchleiten von Acetylen; |
Conditions | Yield |
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With aluminum tri-bromide |
Trichloroethylene
A
1,1,2,2-tetrabromoethane
B
1,1,2-tribromo-1,2,2-trichloro-ethane
Conditions | Yield |
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With bromine Irradiation; |
Conditions | Yield |
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dibenzoyl peroxide at 100℃; for 2h; Rate constant; Product distribution; other temperature, other time; |
Conditions | Yield |
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dibenzoyl peroxide at 100℃; for 2h; Rate constant; Product distribution; other temperature; |
2-phenyl-1,3-oxathiolane
A
1,1,2,2-tetrabromoethane
B
S-(2-bromoethyl) benzothioate
C
1,2-dibromomethane
Conditions | Yield |
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With Bromoform; di-tert-butyl peroxide at 130℃; for 4.5h; Yields of byproduct given; | A n/a B 16 % Turnov. C n/a |
2-propyl-1,3-oxathiolan
A
1,1,2,2-tetrabromoethane
B
2-bromoethyl thiobutyrate
C
1,2-dibromomethane
Conditions | Yield |
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With Bromoform; di-tert-butyl peroxide at 130℃; for 4.5h; Yields of byproduct given; | A n/a B 14 % Turnov. C n/a |
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IUPAC: 1,1,2,2-Tetrabromoethane
CAS:79-27-6
The Molecular formula of Acetylene tetrabromide (79-27-6):C2H2Br4
The Molecular Weight of Acetylene tetrabromide (79-27-6):345.65
EINECS:201-191-5
Synonyms: Ethanetetrabromide ; 1,1,2,2-Tetrabromoethane ; Acetylene tetrabromide ; muthmanns liquid ; Tetrabromoethane ; Sym-tetrabromoethane ; Tbe ; 1,1,2,2-Tetrabromaethan
Density:2.967 g/mL at 25oC(lit.)
Melting Point:1oC
Boiling Point:244oC
Flash Point:97oC
Water Solubility:0.63 g/L (20oC)
Stability:Stable. Incompatible with strong oxidizing agents, aluminium, magnesium, alkali metals.
Vapor density:11.9 (vs air)
Vapor pressure:0.1 mm Hg ( 20oC)
Refractive index:n20/D 1.637(lit.)
Appearance:Pale-yellow liquid with a pungent odor similar to camphor or iodoform.
Enthalpy of Vaporization:46.11 kJ/mol
Product Categories:Intermediates of Dyes and Pigments;Organics
Mol File:79-27-6.mol
Acetylene tetrabromide (79-27-6) is a separating mineral by specific gravity. It is used as a solvent for fats, oils, and waxes.
1. | skn-rbt 500 mg/24H MOD | AIHAAP American Industrial Hygiene Association Journal. 24 (1963),28. | ||
2. | eye-rbt 100 mg MLD | AIHAAP American Industrial Hygiene Association Journal. 24 (1963),28. | ||
3. | mmo-sat 10 µg/plate | TECSDY Toxicological and Environmental Chemistry. 15 (1987),101. | ||
4. | dnr-esc 29,640 µg/disc | MUREAV Mutation Research. 41 (1976),61. | ||
5. | skn-mus TDLo:130 g/kg/74W-I:NEO | JJIND8 JNCI, Journal of the National Cancer Institute. 63 (1979),1433. | ||
6. | orl-rat LD50:1200 mg/kg | VRDEA5 Vrachebnoe Delo. Medical Profession(3),(1967),80. | ||
7. | ihl-rat LC50:549 mg/m3/4H | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,107. | ||
8. | skn-rat LD50:5250 mg/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,107. | ||
9. | orl-mus LD50:269 mg/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,107. |
Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Poison by inhalation, ingestion, and intraperitoneal routes. An eye and skin irritant and a narcotic. Questionable carcinogen with experimental neoplastigenic data. Mutation data reported. When heated it emits highly toxic fumes of carbonyl bromide and Br−. See also ACETYLENE COMPOUNDS and ALKYNES and BROMIDES.
Safty informations about Acetylene tetrabromide (79-27-6):
Hazard Codes:T+
Risk Statements:26-36-52/53
26(Very Toxic by inhalation)
36(Irritating to the eyes)
52/53(Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment)
Safety Statements:24-27-45-61-1/2
24(Avoid contact with skin)
27(Take off immediately all contaminated clothing)
45(In case of accident or if you feel unwell, seek medical advice immediately (show label where possible))
61(Avoid release to the environment. Refer to special instructions safety data sheet)
1/2(Keep locked up and out of the reach of children)
RIDADR:UN 2504 6.1/PG 3
WGK Germany:2
RTECS:KI8225000
HazardClass:6.1
HS Code:29033036
OSHA PEL: TWA 1 ppm
ACGIH TLV: TWA 1 ppm
DFG MAK: 1 ppm (14 mg/m3)
For occupational chemical analysis use NIOSH: see 1,1,2,2-Tetrabromoethane, 2003.