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HomeProduct name list1,3-Dicyanobenzene

1,3-Dicyanobenzene

Synonym(s):3,3′-Dichlorobenzaldazine;Benzene-1,3-dicarbonitrile, 1,3-Dicyanobenzene;Isophthalodinitrile;Isophthalonitrile;NSC 67224

  • CAS NO.:626-17-5
  • Empirical Formula: C8H4N2
  • Molecular Weight: 128.13
  • MDL number: MFCD00001795
  • EINECS: 210-933-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:57
1,3-Dicyanobenzene Structural

What is 1,3-Dicyanobenzene?

Description

1,3-Dicyanobenzene appears as white, crystalline or flaky solid with an almond-like odor. mp: 161-162 °C (sublimes) Density 1.28 g/cm3 (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.

Chemical properties

off-white to light brown solid

The Uses of 1,3-Dicyanobenzene

1,3-Dicyanobenzene was used in the synthesis of oxazolines and 1,3-bis-(4,4-dimethyl-2-oxazolinyl)benzene.

The Uses of 1,3-Dicyanobenzene

An intermediate in the manufacture of paints, varnishes, and agricultural chemicals.

Definition

ChEBI: Isophthalonitrile is a nitrile. It is functionally related to an isophthalic acid.

General Description

White, 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 Profile

1,3-Dicyanobenzene is a combustible solid. Emits toxic fumes of NOx and CN- when heated to decomposition. Incompatible with strong oxidizing agents.

Health Hazard

m-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 Explosibility

Not classified

Safety Profile

Poison by ingestion. An eye irritant. When heated to decomposition it emits toxic fumes of NOx and CN-. See also NITRILES.

Properties of 1,3-Dicyanobenzene

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)
Flash point: 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 limits ACGIH: TWA 5 mg/m3
NIOSH: TWA 5 mg/m3
CAS DataBase Reference 626-17-5(CAS DataBase Reference)
NIST Chemistry Reference 1,3-Benzenedicarbonitrile(626-17-5)
EPA Substance Registry System 1,3-Dicyanobenzene (626-17-5)

Safety information for 1,3-Dicyanobenzene

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral

Computed Descriptors for 1,3-Dicyanobenzene

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