1,3-Dicyanobenzene , 98% , 626-17-5

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

PRODUCT 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)
• 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
• LogP: 1.5 at 25℃
• 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)

Description and Uses

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.

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

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302
• Precautionary statements: P301+P312+P330
• Hazard Codes: Xn
• Risk Statements: 22-20/22
• Safety Statements: 22-24/25-36/37/39-26
• RIDADR: 2811
• OEB: B
• OEL: TWA: 5 mg/m3
• WGK Germany: 1
• RTECS: CZ1900000
• TSCA: Yes
• HazardClass: 6.1(b)
• PackingGroup: III
• HS Code: 29269020
• Hazardous Substances Data: 626-17-5(Hazardous Substances Data)