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1,3-Dibromopropane
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Name

1,3-Dibromopropane

 EINECS 203-690-3
CAS No. 109-64-8 Density 1.933 g/cm3
PSA 0.00000 LogP 2.16630
Solubility 1.7 g/L (30 °C) in water Melting Point -34 °C(lit.)
Formula C3H6Br2 Boiling Point 167 °C at 760 mmHg
Molecular Weight 201.889 Flash Point 54.4 °C
Transport Information UN 1993 3/PG 3 Appearance colourless to slightly yellow liquid
Safety 16-26-36-61-24/25 Risk Codes 10-22-38-51/53-36/37/38
Molecular Structure Molecular Structure of 109-64-8 (1,3-Dibromopropane) Hazard Symbols IrritantXi
Synonyms

.omega.,.omega.-Dibromopropane;Trimethylene dibromide;propane, 1,3-dibromo-;1/C3H6Br2/c4-2-1-3-5/h1-3H;1,3-Dibromopropane/109-64-8;1,3-Dibromopropane / Trimethylene Dibromide;Trimethylene bromide;

Article Data 68

1,3-Dibromopropane Synthetic route

111-35-3

3-ethoxy-1-propanol

109-64-8

1,3-dibromo-propane

Conditions
ConditionsYield
With sulfuric acid; hydrogen bromide for 10h; Heating;91%
17887-80-8

1,3-bis(trimethylsiloxy)propane

109-64-8

1,3-dibromo-propane

Conditions
ConditionsYield
With Tri-n-butylfluorphosphoniumbromid In benzene at 20℃; for 24h;76%
503-30-0

trimethylene oxide

109-64-8

1,3-dibromo-propane

Conditions
ConditionsYield
With hydrogen bromide at 100℃;
78-75-1

1,2-Dibromopropane

109-64-8

1,3-dibromo-propane

Conditions
ConditionsYield
at 240 - 250℃; beim Erhitzen im Rohr;
78-75-1

1,2-Dibromopropane

A

594-16-1

2,2-dibromopropane

B

109-64-8

1,3-dibromo-propane

Conditions
ConditionsYield
beim Erhitzen;
74-98-6

propane

A

78-75-1

1,2-Dibromopropane

B

106-94-5

propyl bromide

C

109-64-8

1,3-dibromo-propane

D

75-26-3

isopropyl bromide

Conditions
ConditionsYield
at 300 - 330℃; Bromierung; weitere Produkte: 2.2-Dibrom-propan, Tribrompropan und Tetrabrompropan;
142-28-9

1,3-Dichloropropane

A

109-70-6

1,3-chlorobromopropane

B

109-64-8

1,3-dibromo-propane

Conditions
ConditionsYield
With ethyl bromide; aluminum tri-bromide at 2 - 5℃;
64-17-5

ethanol

109-70-6

1,3-chlorobromopropane

A

142-28-9

1,3-Dichloropropane

B

109-64-8

1,3-dibromo-propane

109-70-6

1,3-chlorobromopropane

109-64-8

1,3-dibromo-propane

Conditions
ConditionsYield
With aluminium trichloride; hydrogen bromide
110-22-5

diacetyl peroxide

106-95-6

allyl bromide

A

106-98-9

1-butylene

B

74-83-9

methyl bromide

C

157556-86-0

5-bromo-4-(bromomethyl)pent-1-ene

D

109-64-8

1,3-dibromo-propane

Conditions
ConditionsYield
at 90℃; entstehen noch 1.5-Dibrom-2-brommethyl-pentan(?) und CO2;
...Expand

1,3-Dibromopropane Chemical Properties

The Molecular Structure of Trimethylene bromide (CAS NO.109-64-8):


Empirical Formula: C3H6Br2
Molecular Weight: 201.8877 
IUPAC Name: 1,3-dibromopropane  
Appearance: colourless to slightly yellow liquid
Product Categories: Organics;DIBROMOALKANE;alpha,omega-Bifunctional Alkanes;alpha,omega-Dibromoalkanes;Monofunctional & alpha,omega-Bifunctional Alkanes
Nominal Mass: 200 Da
Average Mass: 201.8877 Da
Monoisotopic Mass: 199.88361 Da
Index of Refraction: 1.513
Molar Refractivity: 31.41 cm3
Molar Volume: 104.4 cm3
Surface Tension: 36 dyne/cm
Density: 1.933 g/cm3
Flash Point: 54.4 °C
Enthalpy of Vaporization: 38.69 kJ/mol
Boiling Point: 167 °C at 760 mmHg
Vapour Pressure: 2.29 mmHg at 25°C 
Storage temp: 2-8°C
Water Solubility: 1.7 g/L (30 ºC)
EINECS: 203-690-3
InChI
InChI=1/C3H6Br2/c4-2-1-3-5/h1-3H2
Smiles
C(CBr)CBr 
Synonyms: AI3-28592 ; CCRIS 6711 ; EINECS 203-690-3 ; HSDB 7408 ; NSC 62663 ; Trimethylene dibromide ; alpha,gamma-Dibromopropane ; Propane, 1,3-dibromo-   

1,3-Dibromopropane Uses

 Trimethylene bromide (CAS NO.109-64-8) can be used as Pharmaceutical intermediates, synthetic organic intermediates.

1,3-Dibromopropane Production

 Trimethylene bromide (CAS NO.109-64-8) can be prepared via the free radical addition between hydrogen bromide and allyl bromide .

1,3-Dibromopropane Toxicity Data With Reference

1.    

mmo-sat 10 µmol/plate

     ENMUDM    Environmental Mutagenesis. 2 (1980),59.
2.    

mma-sat 10 µmol/plate

     ENMUDM    Environmental Mutagenesis. 2 (1980),59.
3.    

ipr-mus LD50:473 mg/kg

     JPCEAO    Journal fuer Praktische Chemie. (Johann Ambrosius Barth Verlag, Postfach 109, DDR-701, Leipzig, Germany) V.1- 1834- 320 (1978),133.
4.    

rec-rbt LDLo:1000 mg/kg

     JPETAB    Journal of Pharmacology and Experimental Therapeutics. 34 (1928),223.

1,3-Dibromopropane Consensus Reports

Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

1,3-Dibromopropane Safety Profile

Moderately toxic by intraperitoneal and rectal routes. Mutation data reported. Irritating and narcotic in high concentration. When heated to decomposition it emits toxic fumes of Br−. Used as an herbicide. See also BROMIDES.

Hazard Codes: IrritantXiHarmfulXnDangerousN
Risk Statements: 10-22-38-51/53-36/37/38
R10: Flammable
R22: Harmful if swallowed 
R51/53: Toxic to aquatic organisms, may cause long 
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 16-26-36-61-24/25
S16: Keep away from sources of ignition - No smoking 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
S36: Wear suitable protective clothing 
S61: Avoid release to the environment. Refer to special instructions safety data sheet
S24/25: Avoid contact with skin and eyes  
RIDADR: UN 1993 3/PG 3

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