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Basic Information
| CAS No.: | 35691-65-7 |
|---|---|
| Name: | DBDCB |
| Molecular Structure: | |
|
|
|
| Formula: | C6H6Br2N2 |
| Molecular Weight: | 265.935 |
| Synonyms: | 1,2-Dibromo-2,4-dicyanobutane;1-Bromo-1-(bromomethyl)-1,3-propanedicarbonitrile;2-Bromo-2-(bromomethyl)glutaronitrile;BBMG;Bromothalonil;DBDCB;MDBGN;Merguard 1105;Methyldibromoglutaronitrile;Tektamer;Tektamer 38;Tektamer38AD;Tuopai DM 01; |
| EINECS: | 252-681-0 |
| Density: | 1.889 g/cm3 |
| Melting Point: | 48-50 °C |
| Boiling Point: | 338.6 °C at 760 mmHg |
| Flash Point: | 158.6 °C |
| Solubility: | insoluble in water |
| Appearance: | Crystals with a pungent odor |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20/22-37/38-41-34-22 |
| Safety: | 26-36/37/39-45 |
| Transport Information: | UN 3439 |
| PSA: | 47.58000 |
| LogP: | 2.34236 |
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Synthetic route
- 1572-52-7
2,4-dicyano-1-butene
- 35691-65-7
1,2-Dibromo-2,4-dicyanobutane
Conditions
| Conditions | Yield |
|---|---|
| With bromine Irradiation; |
- 107-13-1
acrylonitrile
- 35691-65-7
1,2-Dibromo-2,4-dicyanobutane
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: acrylonitrile With triethylamine; zinc(II) chloride for 1h; Autoclave; Green chemistry; Large scale; Stage #2: With bromine In water at 50 - 100℃; for 2h; Green chemistry; Large scale; | 510 kg |
- 35691-65-7
1,2-Dibromo-2,4-dicyanobutane
- 1572-52-7
2,4-dicyano-1-butene
Conditions
| Conditions | Yield |
|---|---|
| In acetonitrile Product distribution; Mechanism; other solvents; |
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DBDCB
Chemistry
1,2-DIBROMO-2,4-DICYANOBUTANE(35691-65-7) is the chemical compound with the formula C6H6Br2N2.Its molar weight is 265.93g/mol.
1,2-DIBROMO-2,4-DICYANOBUTANE(35691-65-7) is also named 2-bromo-2-(bromomethyl)-glutaronitril;2-bromo-2-(bromomethyl)-pentanedinitril; methyldibromoglutaronitrile;tektamer38;dbdcb;2-bromo-(2-bromomethyl)glutaronitrile;2-Bromo-2-(bromomethyl)pentanedinitrile.
Melting point: 48-50oC
Flash Point: 158.6oC
Boiling Point: 338.6 oC at 760 mmHg
Storage temp.: 2-8oC
Index of Refraction: 1.553
Molar Refractivity: 45.1 cm3
Molar Volume: 140.7 cm3
Surface Tension: 57 dyne/cm
Density: 1.889 g/cm3
Enthalpy of Vaporization: 58.2 kJ/mol
Vapour Pressure: 9.71E-05 mmHg at 25oC
The chemical structure of 1,2-DIBROMO-2,4-DICYANOBUTANE(35691-65-7) is
.
1,2-DIBROMO-2,4-DICYANOBUTANE(35691-65-7) is also named 2-bromo-2-(bromomethyl)-glutaronitril;2-bromo-2-(bromomethyl)-pentanedinitril; methyldibromoglutaronitrile;tektamer38;dbdcb;2-bromo-(2-bromomethyl)glutaronitrile;2-Bromo-2-(bromomethyl)pentanedinitrile.
Melting point: 48-50oC
Flash Point: 158.6oC
Boiling Point: 338.6 oC at 760 mmHg
Storage temp.: 2-8oC
Index of Refraction: 1.553
Molar Refractivity: 45.1 cm3
Molar Volume: 140.7 cm3
Surface Tension: 57 dyne/cm
Density: 1.889 g/cm3
Enthalpy of Vaporization: 58.2 kJ/mol
Vapour Pressure: 9.71E-05 mmHg at 25oC
The chemical structure of 1,2-DIBROMO-2,4-DICYANOBUTANE(35691-65-7) is
.Uses
1,2-DIBROMO-2,4-DICYANOBUTANE(35691-65-7) is used as preservative for latex paints, adhesives, latex emulsions, dispersed pigments, joint cements, metal working fluids.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx and Br−.
Hazard Codes:
Xn
Risk Statements: 20/22-37/38-41-34-22
20/22: Harmful by inhalation and if swallowed
37/38: Irritating to respiratory system and skin
41: Risk of serious damage to eyes
34: Causes burns
22: Harmful if swallowed
Safety Statements: 26-36/37/39-45
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
RIDADR: 3439
RTECS: MA5599000
HazardClass: 9
PackingGroup: III
Hazardous Substances Data: 35691-65-7(Hazardous Substances Data) .
Hazard Codes:
Xn Risk Statements: 20/22-37/38-41-34-22
20/22: Harmful by inhalation and if swallowed
37/38: Irritating to respiratory system and skin
41: Risk of serious damage to eyes
34: Causes burns
22: Harmful if swallowed
Safety Statements: 26-36/37/39-45
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
RIDADR: 3439
RTECS: MA5599000
HazardClass: 9
PackingGroup: III
Hazardous Substances Data: 35691-65-7(Hazardous Substances Data) .
Specification
It should be kept in a cool, dry, dark location in a tightly sealed container or cylinder,and keep away from incompatible materials, ignition sources and untrained individuals.stored in secure and label area.,and protect containers/cylinders from physical damage.