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Name	1,2-DIBROMO-2,4-DICYANOBUTANE	EINECS	252-681-0
CAS No.	35691-65-7	Density	1.889 g/cm³
PSA	47.58000	LogP	2.34236
Solubility	insoluble in water	Melting Point	48-50 °C
Formula	C₆H₆Br₂N₂	Boiling Point	338.6 °C at 760 mmHg
Molecular Weight	265.935	Flash Point	158.6 °C
Transport Information	UN 3439	Appearance	Crystals with a pungent odor
Safety	26-36/37/39-45	Risk Codes	20/22-37/38-41-34-22
Molecular Structure		Hazard Symbols	Xn
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;

1,2-DIBROMO-2,4-DICYANOBUTANE 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;

1,2-DIBROMO-2,4-DICYANOBUTANE Chemical Properties

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: 48-50^oC
Flash Point: 158.6^oC
Boiling Point: 338.6 ^oC at 760 mmHg
Storage temp.: 2-8^oC
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 25^oC
The chemical structure of 1,2-DIBROMO-2,4-DICYANOBUTANE(35691-65-7) is

1,2-DIBROMO-2,4-DICYANOBUTANE 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.

1,2-DIBROMO-2,4-DICYANOBUTANE Consensus Reports

Reported in EPA TSCA Inventory.

1,2-DIBROMO-2,4-DICYANOBUTANE Safety Profile

Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NO_x 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) .

1,2-DIBROMO-2,4-DICYANOBUTANE 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.

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