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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 201.89 . 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

.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;


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
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


mmo-sat 10 µmol/plate

    ENMUDM    Environmental Mutagenesis. 2 (1980),59.

mma-sat 10 µmol/plate

    ENMUDM    Environmental Mutagenesis. 2 (1980),59.

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.

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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