Product Name

  • Name

    1,1-Dibromoethane

  • EINECS
  • CAS No. 557-91-5
  • Article Data34
  • CAS DataBase
  • Density 2.127g/cm3
  • Solubility Insoluble in water
  • Melting Point -63°C
  • Formula C2H4 Br2
  • Boiling Point 104.7°Cat760mmHg
  • Molecular Weight 187.862
  • Flash Point °C
  • Transport Information
  • Appearance clear colourless to brownish liquid
  • Safety Moderately toxic by rectal route. Mutation data reported. Violent reaction with magnesium. When heated to decomposition it emits toxic fumes of Br. See also BROMIDES.
  • Risk Codes R40; R20/21/22
  • Molecular Structure Molecular Structure of 557-91-5 (1,1-Dibromoethane)
  • Hazard Symbols Xn
  • Synonyms 1,1-Dibromoethane;Ethylidene dibromide
  • PSA 0.00000
  • LogP 2.12220

Synthetic route

methyl iodide
74-88-4

methyl iodide

1,2-dibromomethane
74-95-3

1,2-dibromomethane

A

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

B

H2

H2

Conditions
ConditionsYield
With tetraethylammonium chloride In acetonitrile Ambient temperature; electrochemical conditions (Fe cathode);A 55.9%
B n/a
ethyl bromide
74-96-4

ethyl bromide

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
With chloroethane; bromine at 40 - 100℃; under 37 Torr; Irradiation; temperature dependence of the relative rate constants;
With bromine at 170℃;
With bromine at 198℃; unter Belichtung bei Abwesenheit von Eisen;
Vinyl bromide
593-60-2

Vinyl bromide

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
With hydrogen bromide
With water; hydrogen bromide
With hydrogen bromide; acetic acid
Vinyl bromide
593-60-2

Vinyl bromide

A

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

B

ethylene dibromide
106-93-4

ethylene dibromide

Conditions
ConditionsYield
With magnesium hydrosilicate; hydrogen bromide
1,1-dichloroethane
75-34-3

1,1-dichloroethane

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
With aluminum tri-bromide
2-bromo-propionic acid amide
5875-25-2

2-bromo-propionic acid amide

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
With sodium hypobromide
acetaldehyde
75-07-0

acetaldehyde

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
With phosphorus trichloride dibromide
ethylene dibromide
106-93-4

ethylene dibromide

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 300 - 315℃;
at 300℃;
2-Bromopropionic acid
598-72-1

2-Bromopropionic acid

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
With potassium hydroxide; platinum Electrolysis;
paracetaldehyde
123-63-7

paracetaldehyde

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
With phosphorus trichloride dibromide
acetylene
74-86-2

acetylene

A

Vinyl bromide
593-60-2

Vinyl bromide

B

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
With mercury bromide; hydrogen bromide at 200℃;
acetylene
74-86-2

acetylene

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
With hydrogen bromide
ethyl bromide
74-96-4

ethyl bromide

A

Vinyl bromide
593-60-2

Vinyl bromide

B

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

C

ethane
74-84-0

ethane

D

ethene
74-85-1

ethene

E

n-butane
106-97-8

n-butane

Conditions
ConditionsYield
at 24.9℃; Quantum yield; Irradiation; dependence of the product quantum yields on ethyl bromide pressure, photolysios time and additives (as N2, CF4, NO).;
ethyl bromide
74-96-4

ethyl bromide

A

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

B

2,3-dibromobutane
5408-86-6

2,3-dibromobutane

C

ethane
74-84-0

ethane

D

ethene
74-85-1

ethene

E

n-butane
106-97-8

n-butane

Conditions
ConditionsYield
With nitrogen(II) oxide under 1.1 Torr; Quantum yield; Product distribution; Ambient temperature; Irradiation; var. pressure; effect of inert gas, radical scavenger;
1-bromo-1-chloroethane
593-96-4

1-bromo-1-chloroethane

A

1,1-dichloroethane
75-34-3

1,1-dichloroethane

B

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
copper and nickel chlorides at 170℃; Equilibrium constant; Thermodynamic data; 200 - 250 deg C, ΔH(excit.), ΔS(excit).;
acetaldehyde
75-07-0

acetaldehyde

PCl3Br2

PCl3Br2

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

water
7732-18-5

water

2-Bromopropionic acid
598-72-1

2-Bromopropionic acid

platinum electrodes

platinum electrodes

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
des Kalium-Salzes.Electrolysis;
water
7732-18-5

water

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

acetylene
74-86-2

acetylene

mercury (II)-bromide

mercury (II)-bromide

A

Vinyl bromide
593-60-2

Vinyl bromide

B

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 100℃; under 80 - 240 Torr; Kinetics;
3-bromo-3-methyldiazirine
4222-23-5

3-bromo-3-methyldiazirine

A

Vinyl bromide
593-60-2

Vinyl bromide

B

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

C

ethene
74-85-1

ethene

D

ethylene dibromide
106-93-4

ethylene dibromide

E

acetylene
74-86-2

acetylene

F

1,2-dibromomethane
74-95-3

1,2-dibromomethane

G

tribromoethane, N2

tribromoethane, N2

Conditions
ConditionsYield
With (Z)-2-Butene Product distribution; Mechanism; Ambient temperature; Irradiation; gas phase photolysis; further additives, different conditions;
Vinyl bromide
593-60-2

Vinyl bromide

water
7732-18-5

water

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

ethyl bromide
74-96-4

ethyl bromide

bromine
7726-95-6

bromine

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 198℃; unter Belichtung;
at 230℃; unter Belichtung;
Vinyl bromide
593-60-2

Vinyl bromide

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

acetic acid
64-19-7

acetic acid

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 100℃;
at 50℃;
Vinyl bromide
593-60-2

Vinyl bromide

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

aluminium bromide
7727-15-3

aluminium bromide

acetic acid
64-19-7

acetic acid

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 50℃;
at 100℃;
Vinyl bromide
593-60-2

Vinyl bromide

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

acetic acid
64-19-7

acetic acid

BiBr3

BiBr3

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 50℃;
at 100℃;
Vinyl bromide
593-60-2

Vinyl bromide

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

bismuth bromide

bismuth bromide

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 100 - 200℃;
Vinyl bromide
593-60-2

Vinyl bromide

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

acetic acid
64-19-7

acetic acid

FeBr3

FeBr3

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 50℃;
at 100℃;
Vinyl bromide
593-60-2

Vinyl bromide

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

acetic acid
64-19-7

acetic acid

HgBr2

HgBr2

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 50℃;
at 100℃;
Vinyl bromide
593-60-2

Vinyl bromide

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

iron (III)-bromide

iron (III)-bromide

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 100 - 200℃;
Vinyl bromide
593-60-2

Vinyl bromide

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

silicic acid-gel

silicic acid-gel

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Conditions
ConditionsYield
at 100 - 200℃;
Vinyl bromide
593-60-2

Vinyl bromide

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

A

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

B

ethylene dibromide
106-93-4

ethylene dibromide

Conditions
ConditionsYield
Produkt 2. entsteht nur bei Gegenwart von Diphenylamin;
Produkt 2. entsteht nur bei Gegenwart von Dimethylanilin;
Produkt 2. entsteht nur bei Gegenwart von Thiophenol+MgCl2;
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

phenylacetonitrile
140-29-4

phenylacetonitrile

1-cyano-1-phenylcyclopropane
935-44-4

1-cyano-1-phenylcyclopropane

Conditions
ConditionsYield
With nitrogen In N-methyl-acetamide; water; mineral oil100%
styrene
292638-84-7

styrene

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

(2-methylcyclopropyl)benzene
3145-76-4

(2-methylcyclopropyl)benzene

Conditions
ConditionsYield
With lanthanum; iodine In tetrahydrofuran at 67℃; for 5h;98%
magnesium dihydride
7439-95-4

magnesium dihydride

7-Bromo-1-[(S)-2-(tert-butyldimethyl-silanyloxy)-propyl]-6-oxiranylmethoxy-1H-indazole
478132-37-5

7-Bromo-1-[(S)-2-(tert-butyldimethyl-silanyloxy)-propyl]-6-oxiranylmethoxy-1H-indazole

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

1-Bromo-3-[7-bromo-1-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-propyl]-1H-indazol-6-yloxy]-propan-2-ol
478132-38-6

1-Bromo-3-[7-bromo-1-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-propyl]-1H-indazol-6-yloxy]-propan-2-ol

Conditions
ConditionsYield
With ammonium chloride In tetrahydrofuran95%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

C64H88O12Si
1236055-59-6

C64H88O12Si

C62H84O11Si
1236055-60-9

C62H84O11Si

Conditions
ConditionsYield
Stage #1: With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride In tetrahydrofuran; dichloromethane at 0 - 25℃; for 0.666667h; Inert atmosphere;
Stage #2: With lead(II) chloride; zinc In tetrahydrofuran; dichloromethane at 25℃; for 0.333333h; Inert atmosphere;
Stage #3: 1,1-Dibromoethane; C64H88O12Si In tetrahydrofuran; dichloromethane for 1h; Inert atmosphere; Reflux;
93%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

2,2-dimethylpropionic acid 3,5,5-trimethylcyclohex-2-enyl ester

2,2-dimethylpropionic acid 3,5,5-trimethylcyclohex-2-enyl ester

3-((Z)-1-tert-butylpropenyloxy)-1,5,5-trimethylcyclohexene

3-((Z)-1-tert-butylpropenyloxy)-1,5,5-trimethylcyclohexene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; zinc; titanium tetrachloride In tetrahydrofuran; dichloromethane91%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

2a; R1=R2=C6H5

2a; R1=R2=C6H5

2-Methyl-4,5-diphenyl-cyclopent-4-ene-1,3-dione
59345-70-9

2-Methyl-4,5-diphenyl-cyclopent-4-ene-1,3-dione

Conditions
ConditionsYield
In toluene at 50℃; for 5h;90%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

isopropyl benzoate
939-48-0

isopropyl benzoate

((Z)-1-Isopropoxy-propenyl)-benzene
14093-66-4

((Z)-1-Isopropoxy-propenyl)-benzene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc In tetrahydrofuran at 25℃; for 2h;88%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Butyric acid ((E)-2-propenyl)-phenyl ester

Butyric acid ((E)-2-propenyl)-phenyl ester

1-[1-Eth-(E)-ylidene-butoxy]-2-((E)-propenyl)-benzene

1-[1-Eth-(E)-ylidene-butoxy]-2-((E)-propenyl)-benzene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc; lead(II) chloride In tetrahydrofuran at 20℃; for 5h;88%
3-thiophene carboxaldehyde
498-62-4

3-thiophene carboxaldehyde

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

ammonium chloride

ammonium chloride

isopropylmagnesium chloride
1068-55-9

isopropylmagnesium chloride

1-chloro-3-hydroxypropane
627-30-5

1-chloro-3-hydroxypropane

1-(3-Thienyl)-1,4-butanediol
357444-08-7

1-(3-Thienyl)-1,4-butanediol

Conditions
ConditionsYield
With magnesium In tetrahydrofuran88%
allyl 6β-[(methoxycarbonyl)acetamido]-2,2-dimethylpenam-3-carboxylate

allyl 6β-[(methoxycarbonyl)acetamido]-2,2-dimethylpenam-3-carboxylate

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

allyl 6β-[(1,3-dithiolan-2-ylidene)(methoxycarbonyl)acetamido]-2,2-dimethylpenam-3-carboxylate

allyl 6β-[(1,3-dithiolan-2-ylidene)(methoxycarbonyl)acetamido]-2,2-dimethylpenam-3-carboxylate

Conditions
ConditionsYield
With carbon disulfide In N-methyl-acetamide88%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

ethyl cysteinate hydrochloride
868-59-7, 7319-36-0, 75521-14-1, 93964-73-9

ethyl cysteinate hydrochloride

thiomorpholinecarboxylic acid ethyl ester
152009-44-4

thiomorpholinecarboxylic acid ethyl ester

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran87%
benzoic acid methyl ester
93-58-3

benzoic acid methyl ester

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

(1-methoxyprop-1-en-1-yl)benzene
4518-65-4, 4541-69-9, 79342-00-0

(1-methoxyprop-1-en-1-yl)benzene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc In tetrahydrofuran at 25℃; for 2h;86%
magnesium dihydride
7439-95-4

magnesium dihydride

7-Bromo-1-[2-(tert-butyldimethyl-silanyloxy)-propyl]-6-oxiranylmethoxy-1H-indazole
478132-27-3

7-Bromo-1-[2-(tert-butyldimethyl-silanyloxy)-propyl]-6-oxiranylmethoxy-1H-indazole

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

1-Bromo-3-[7-bromo-1-[2-(tert-butyl-dimethyl-silanyloxy)-propyl]-1H-indazol-6-yloxy]-propan-2-ol
478132-28-4

1-Bromo-3-[7-bromo-1-[2-(tert-butyl-dimethyl-silanyloxy)-propyl]-1H-indazol-6-yloxy]-propan-2-ol

Conditions
ConditionsYield
With ammonium chloride In tetrahydrofuran86%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

cyclopent-3-enol
14320-38-8

cyclopent-3-enol

exo-6-Methyl-cis-bicyclo<3.1.0>hexan-3-ol
23038-07-5

exo-6-Methyl-cis-bicyclo<3.1.0>hexan-3-ol

Conditions
ConditionsYield
With diethylzinc; copper; zinc In diethyl ether for 12h; Ambient temperature;85%
3-(4-chlorophenyl)-4-(4-hydroxybenzyl)-7-methoxychromen-2-one
601513-40-0

3-(4-chlorophenyl)-4-(4-hydroxybenzyl)-7-methoxychromen-2-one

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

3-(4-chlorophenyl)-4-(4-(2-bromoethoxy)benzyl)-7-methoxychromen-2-one
601513-41-1

3-(4-chlorophenyl)-4-(4-(2-bromoethoxy)benzyl)-7-methoxychromen-2-one

Conditions
ConditionsYield
With potassium carbonate In acetone83%
With potassium carbonate In acetone83%
N-(cyclohexanecarbonyl)piperidine
7103-46-0

N-(cyclohexanecarbonyl)piperidine

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

1-((E)-1-Cyclohexyl-propenyl)-piperidine
121782-18-1, 121782-22-7

1-((E)-1-Cyclohexyl-propenyl)-piperidine

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc In tetrahydrofuran at 25℃; for 18h;82%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

bis(pinacol)diborane
73183-34-3

bis(pinacol)diborane

2,2'-(ethane-1,1-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

2,2'-(ethane-1,1-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

Conditions
ConditionsYield
With copper(l) iodide; lithium methanolate In N,N-dimethyl-formamide at 40℃; for 24h; Schlenk technique; Inert atmosphere;82%
With lithium tert-butoxide In N,N-dimethyl-formamide at 30℃; under 760.051 Torr; for 6h; Irradiation;74%
With copper(l) iodide; lithium tert-butoxide In N,N-dimethyl-formamide at 40℃; for 24h; Inert atmosphere;71%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

(E)-(5R,7R,8R)-8-((benzyloxy)methoxy)-7-((4-methoxybenzyl)oxy)non-1-en-5-yl 5-((tert-butyldimethylsilyl)oxy)-2,2-dimethylpent-3-enoate
1261422-99-4

(E)-(5R,7R,8R)-8-((benzyloxy)methoxy)-7-((4-methoxybenzyl)oxy)non-1-en-5-yl 5-((tert-butyldimethylsilyl)oxy)-2,2-dimethylpent-3-enoate

(((E)-4-((S)-2-((2R,3R)-3-((benzyloxy)methoxy)-2-((4-methoxybenzyl)oxy)butyl)-3,4-dihydro-2H-pyran-6-yl)-4-methylpent-2-en-1-yl)oxy)(tert-butyl)dimethylsilane
1261423-01-1

(((E)-4-((S)-2-((2R,3R)-3-((benzyloxy)methoxy)-2-((4-methoxybenzyl)oxy)butyl)-3,4-dihydro-2H-pyran-6-yl)-4-methylpent-2-en-1-yl)oxy)(tert-butyl)dimethylsilane

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; lead(II) chloride; zinc In dichloromethane for 2h; Reflux;82%
styrene
292638-84-7

styrene

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

1-bromo-1-methyl-2-phenylcyclopropane
81651-71-0

1-bromo-1-methyl-2-phenylcyclopropane

Conditions
ConditionsYield
With sodium hexamethyldisilazane In toluene at 25℃; for 24h;81.7%
With sodium hexamethyldisilazane In toluene at 0 - 25℃; for 24h; Inert atmosphere;37%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

benzoic acid tert-butyl ester
774-65-2

benzoic acid tert-butyl ester

(1-tert-butoxypropenyl)-benzene
109585-91-3, 109585-92-4

(1-tert-butoxypropenyl)-benzene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc In tetrahydrofuran at 25℃; for 2h;81%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

(E)-(2S,3R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-methyl-5-phenyl-pent-4-enoic acid ethyl ester

(E)-(2S,3R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-methyl-5-phenyl-pent-4-enoic acid ethyl ester

tert-Butyl-[(Z)-(1R,2S)-3-ethoxy-2-methyl-1-((E)-styryl)-pent-3-enyloxy]-dimethyl-silane

tert-Butyl-[(Z)-(1R,2S)-3-ethoxy-2-methyl-1-((E)-styryl)-pent-3-enyloxy]-dimethyl-silane

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc; lead(II) chloride In tetrahydrofuran at 20℃; for 14h; alkylidenation;81%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

trimethylsilyl cyclohexanecarboxylate
69435-89-8

trimethylsilyl cyclohexanecarboxylate

(Z)-1-cyclohexyl-1-(trimethylsilyloxy)-1-propene
76436-98-1

(Z)-1-cyclohexyl-1-(trimethylsilyloxy)-1-propene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc In tetrahydrofuran at 25℃; for 2h;80%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

Phenyl-acetic acid ((E)-2-propenyl)-phenyl ester

Phenyl-acetic acid ((E)-2-propenyl)-phenyl ester

1-((E)-1-Benzyl-propenyloxy)-2-((E)-propenyl)-benzene

1-((E)-1-Benzyl-propenyloxy)-2-((E)-propenyl)-benzene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc; lead(II) chloride In tetrahydrofuran at 20℃; for 5h;79%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

cyclohexanecarboxylic acid 4-methoxybenzylic ester

cyclohexanecarboxylic acid 4-methoxybenzylic ester

1-(1-cyclohexyl-propenyloxymethyl)-4-methoxybenzene

1-(1-cyclohexyl-propenyloxymethyl)-4-methoxybenzene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; zinc; titanium tetrachloride In tetrahydrofuran; dichloromethane78%
benzoic acid phenyl ester
93-99-2

benzoic acid phenyl ester

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

C15H14O
76967-60-7

C15H14O

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc In tetrahydrofuran at 25℃; for 3h;76%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

methyl n-dodecanoate
111-82-0

methyl n-dodecanoate

3-methoxy-2-tetradecene
120387-78-2

3-methoxy-2-tetradecene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc In tetrahydrofuran at 25℃; for 2h;75%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

2b; R1=C6H5, R2=H

2b; R1=C6H5, R2=H

Methyl-2 phenyl-4 cyclopenten-4 dion-1.3
56542-38-2

Methyl-2 phenyl-4 cyclopenten-4 dion-1.3

Conditions
ConditionsYield
In toluene at 70℃; for 8h;75%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

2-fluoro-4-nitrophenol
403-19-0

2-fluoro-4-nitrophenol

1-Bromo-2-(2-fluoro-5-nitrophenoxy)-ethane

1-Bromo-2-(2-fluoro-5-nitrophenoxy)-ethane

Conditions
ConditionsYield
With potassium carbonate In hexane; ethyl acetate; N,N-dimethyl-formamide75%
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

cyclohexanecarboxylic acid 3,5,5-trimethylcyclohex-2-enyl ester

cyclohexanecarboxylic acid 3,5,5-trimethylcyclohex-2-enyl ester

3-((Z)-1-cyclohexylpropenyloxy)-1,5,5-trimethylcyclohexene

3-((Z)-1-cyclohexylpropenyloxy)-1,5,5-trimethylcyclohexene

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; zinc; titanium tetrachloride In tetrahydrofuran; dichloromethane74%
1-(p-chlorophenyl)-2-cyclopropyl-2-methylethan-1-one
123989-29-7

1-(p-chlorophenyl)-2-cyclopropyl-2-methylethan-1-one

1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

2-(4-chlorophenyl)-2-(1-cyclopropylethyl)-3-methyloxirane
1615196-91-2

2-(4-chlorophenyl)-2-(1-cyclopropylethyl)-3-methyloxirane

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃;73%

1,1-Dibromoethane Chemical Properties

Product Name: 1,1-Dibromoethane 
CAS Registry Number: 557-91-5 
Synonyms: 1,1-Dibromoethane ; CCRIS 8552 ; EINECS 209-184-9 ; Ethylidene bromide ; Ethylidene dibromide ; HSDB 7382 
Systematic Name: 1,1-Dibromoethane ; Ethane, 1,1-dibromo- 
IUPAC Name: 1,1-dibromoethane
Molecular Weight: 187.86116 [g/mol]
Molecular Formula: C2H4Br2
XLogP3-AA: 2.3
EINECS: 209-184-9 
Surface Tension: 34.1 dyne/cm
Density: 2.127 g/cm3 
Enthalpy of Vaporization: 32.95 kJ/mol
Boiling Point: 104.7 °C at 760 mmHg
Vapour Pressure: 35.4 mmHg at 25°C
Refractive Index: 1.509-1.512
Following is the molecular structure of 1,1-Dibromoethane (CAS NO.557-91-5) is:

1,1-Dibromoethane Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LDLo rectal 1250mg/kg (1250mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 34, Pg. 223, 1928.

1,1-Dibromoethane Consensus Reports

Reported in EPA TSCA Inventory.

1,1-Dibromoethane Safety Profile

Moderately toxic by rectal route. Mutation data reported. Violent reaction with magnesium. When heated to decomposition it emits toxic fumes of Br. See also BROMIDES.
Safty information about 1,1-Dibromoethane (CAS NO.557-91-5) is:
Hazard Codes:
HarmfulXn
Risk Statements:
R40:Limited evidence of a carcinogenic effect. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements:
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37:Wear suitable protective clothing and gloves.
RIDADR: 2810
RTECS: KH9000000
HazardClass: 6.1(b)
PackingGroup: III

1,1-Dibromoethane Specification

 1,1-Dibromoethane (CAS NO.557-91-5) is a clear colourless to brownish liquid.
First Aid Measures about it:
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Get medical aid. Wash mouth out with water.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. 
Handling and Storage about it:
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.
Storage: Store in a cool, dry place. Store in a tightly closed container.

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