| Identification | More | [Name]
1,4-Dicyanobenzene | [CAS]
623-26-7 | [Synonyms]
1,4-BENZENEDICARBONITRILE
1,4-DICYANOBENZENE
4-PHTHALODINITRILE
BENZENE-1,4-DICARBONITRILE
P-PHTHALONITRILE
TEREPHTHALODINITRILE
TEREPHTHALONITRILE
1,4-Benzendikarbonitril
1,4-Benzodinitrile
4-Cyanobenzonitrile
Nitril kyseliny tereftalove
nitrilkyselinytereftalove
p-Benzenedinitrile
p-Cyanobenzonitrile
p-Dicyanobenzene
p-Pdn
p-Phthalodinitrile
Tereftalodinitril
Tereftalonitril
Terephthalic acid dinitrile | [EINECS(EC#)]
210-783-2 | [Molecular Formula]
C8H4N2 | [MDL Number]
MFCD00001810 | [Molecular Weight]
128.13 | [MOL File]
623-26-7.mol |
| Chemical Properties | Back Directory | [Appearance]
biege powder | [Melting point ]
221-225 °C (lit.) | [Boiling point ]
227.54°C (rough estimate) | [density ]
1.3g/cm3(25℃) | [vapor density ]
4.42 | [refractive index ]
1.6231 (estimate) | [storage temp. ]
Sealed in dry,Room Temperature | [solubility ]
Chloroform (Slightly), DMSO (Slightly) | [form ]
Powder | [color ]
White to light yellow | [Stability:]
Stable. Incompatible with strong acids, strong bases, strong oxidizing agents, strong reducing agents. | [Water Solubility ]
0.08 g/L (23 ºC) | [Detection Methods]
HPLC | [BRN ]
1072210 | [Exposure limits]
NIOSH: IDLH 25 mg/m3 | [CAS DataBase Reference]
623-26-7(CAS DataBase Reference) | [NIST Chemistry Reference]
1,4-Benzenedicarbonitrile(623-26-7) | [EPA Substance Registry System]
623-26-7(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S24/25:Avoid contact with skin and eyes . | [RIDADR ]
3439 | [WGK Germany ]
2
| [RTECS ]
CZ1925000
| [TSCA ]
Yes | [HazardClass ]
6.1(b) | [PackingGroup ]
III | [HS Code ]
29269095 | [Safety Profile]
Moderately toxic by
ingestion and intraperitoneal routes. An eye
irritant. When heated to decomposition it
emits toxic fumes of CNand NO,. See also
NITRILES. | [Toxicity]
LD50 orl-rat: >6400 mg/kg ZAARAM 19,225,69 |
| Hazard Information | Back Directory | [Chemical Properties]
biege powder | [Uses]
1,4-dicyanobenzene as a new internal standard in utilizing solid-state infrared intensity methods for the determination of thiocyanate bonding. Used as photosensitizer in [2+2] cycloadditions, nitrile building block. | [Synthesis Reference(s)]
The Journal of Organic Chemistry, 51, p. 4714, 1986 DOI: 10.1021/jo00374a041
Tetrahedron Letters, 8, p. 759, 1967 | [Purification Methods]
Crystallise the dinitrile from EtOH or AcOH, and has m 221.5-222.5o after sublimation. [Beilstein 9 H 846, 9 I 376, 9 II 613, 9 III 4255, 9 IV 3328.] |
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