4,5-Dicyanoimidazole , 98% , 1122-28-7

Synonym(s):
4,5-Imidazoledicarbonitrile

CAS NO.：1122-28-7

Empirical Formula: C5H2N4

Molecular Weight: 118.1

MDL number: MFCD00005194

EINECS: 214-344-6

PRODUCT Properties

• Melting point: 168-175 °C(lit.)
• Boiling point: 569.3±35.0 °C(Predicted)
• Density: 0.791 g/mL at 25 °C
• Flash point: 50 °F
• storage temp.: Inert atmosphere,Room Temperature
• solubility: Soluble in Acetonitrile: 1.8g/10ml, DMSO, Methanol.
• pka: 5.01±0.10(Predicted)
• form: Crystalline Powder
• color: solid white
• BRN: 118208
• InChI: InChI=1S/C5H2N4/c6-1-4-5(2-7)9-3-8-4/h3H,(H,8,9)
• InChIKey: XGDRLCRGKUCBQL-UHFFFAOYSA-N
• SMILES: C1NC(C#N)=C(C#N)N=1
• CAS DataBase Reference: 1122-28-7(CAS DataBase Reference)

Description and Uses

4,5-Dicyanoimidazole is used in activation of nucleoside phosphoramidites during solid-phase oligonucleotide synthesis, and synthesis of nucleoside phosphoramidites, synthesis of novel nucleosides. It is often used as an alternative to tetrazole.

Safety

• Symbol(GHS): GHS05,GHS07
• Signal word: Danger
• Hazard statements: H315-H318-H335
• Precautionary statements: P261-P280-P305+P351+P338
• target organs: Respiratory system
• PPE: dust mask type N95 (US), Eyeshields, Gloves
• Hazard Codes: Xi,Xn,F
• Risk Statements: 37/38-41-36/37/38-20/22-36-20/21/22-11
• Safety Statements: 26-39-36/37/39-36/37-16
• RIDADR: UN 1648 3/PG 2
• WGK Germany: 3
• Hazard Note: Irritant
• HazardClass: 6.1
• PackingGroup: III
• HS Code: 29332900
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Eye Dam. 1; Skin Irrit. 2; STOT SE 3
• Limited Quantities: 1.0 L (0.3 gallon) (liquid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)