1,3-Dicyanobenzene

1,3-Dicyanobenzene
  • CAS No.:626-17-5
Other grades of this product :
1,3-Dicyanobenzene Basic information
Product Name:1,3-Dicyanobenzene
Synonyms:M-PHTHALONITRILE;1,3-Benzendikarbonitril;1,3-benzenedicarbonitrile;1,3-Benzodinitrile;1,3-Dicyanobenzene 98%;1,3-Dicyanobenzene,98%;Between the benzene nitrile;1,4-bis((9H-carbazol-9-yl)Methyl)benzene
CAS:626-17-5
MF:C8H4N2
MW:128.13
EINECS:210-933-7
Product Categories:Fine Chemical;Aromatic Nitriles
Mol File:626-17-5.mol
1,3-Dicyanobenzene Chemical Properties
Melting point 163-165 °C(lit.)
Boiling point 288 °C
density 0,992 g/cm3
vapor pressure 13.332Pa at 50℃
refractive index 1.6231 (estimate)
Fp 288°C
storage temp. Store below +30°C.
solubility 0.7g/l
form Flakes
color White to tan
Water Solubility 0.7 g/L (20 ºC)
BRN 1072209
Exposure limitsACGIH: TWA 5 mg/m3NIOSH: TWA 5 mg/m3
LogP1.5 at 25℃
CAS DataBase Reference626-17-5(CAS DataBase Reference)
NIST Chemistry Reference1,3-Benzenedicarbonitrile(626-17-5)
EPA Substance Registry System1,3-Dicyanobenzene (626-17-5)
Safety Information
Hazard Codes Xn
Risk Statements 22-20/22
Safety Statements 22-24/25-36/37/39-26
RIDADR 2811
WGK Germany 1
RTECS CZ1900000
TSCA Yes
HazardClass 6.1(b)
PackingGroup III
HS Code 29269020
Hazardous Substances Data626-17-5(Hazardous Substances Data)
MSDS Information
ProviderLanguage
DCB English
ACROS English
SigmaAldrich English
ALFA English
1,3-Dicyanobenzene Usage And Synthesis
Chemical Propertiesoff-white to light brown solid
UsesAn intermediate in the manufacture of paints, varnishes, and agricultural chemicals.
Uses1,3-Dicyanobenzene was used in the synthesis of oxazolines and 1,3-bis-(4,4-dimethyl-2-oxazolinyl)benzene.
General DescriptionWhite, crystalline or flaky solid with an almond-like odor. Mp:161-2°C (sublimes) Density 1.28 g cm-3 (at 25°C). Insoluble in water. Soluble in benzene and in acetone. Used as an intermediate in the manufacture of polyurethane paints and varnishes, pharmaceuticals, and agricultural chemicals.
Reactivity Profile1,3-Dicyanobenzene is a combustible solid. Emits toxic fumes of NOx and CN- when heated to decomposition. Incompatible with strong oxidizing agents.
Health Hazardm-Phthalodinitrile is a skin irritant in animals.In humans there have been no reports of adverse effects. The probable reason for lack of systemic effects is that aromatic, unlike aliphatic, nitriles do not liberate cyanide in the body.
Flammability and ExplosibilityNotclassified
Safety ProfilePoison by ingestion. An eye irritant. When heated to decomposition it emits toxic fumes of NOx and CN-. See also NITRILES.
1,3-Dicyanobenzene Preparation Products And Raw materials
Raw materialsAmmonia-->m-Xylene-->HYDROGEN CYANIDE-->1,3-Dichlorobenzene-->Isophthalic acid-->Cyclone separator-->Heat exchanger
Preparation ProductsIsophthalic acid-->Chlorothalonil-->PERFLUOROCYCLOHEXANE-->3,5-Dicyanofluorobenzene

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