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Basic Information
CAS No.: 646-20-8
Name: 1,5-Dicyanopentane
Article Data: 21
Molecular Structure:
Molecular Structure of 646-20-8 (1,5-Dicyanopentane)
Formula: C7H10 N2
Molecular Weight: 122.17
Synonyms: Pimelonitrile(6CI,7CI,8CI); 1,5-Dicyanopentane; 1,7-Heptanedinitrile; NSC 5392; Pimelic aciddinitrile
EINECS: 211-469-8
Density: 0.951
Melting Point: -31.4°C
Boiling Point: 175-176 °C14 mm Hg(lit.)
Flash Point: 112 ºC
Solubility: Insoluble in water
Appearance: CLEAR COLOURLESS LIQUID
Hazard Symbols:
Risk Codes: R20/21/22   
Safety: Poison by ingestion. Many nitriles are poisons by ingestion and inhalation. When heated to decomposition it emits very toxic fumes of NOx and CN. See also NITRILES.
Transport Information: UN 3276
PSA: 47.58000
LogP: 1.98406
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Chemistry

IUPAC Name: Heptanedinitrile
The MF of Heptanedinitrile (CAS NO.646-20-8) is C7H10N2.

                        
The MW of Heptanedinitrile (CAS NO.646-20-8) is 122.17.
Synonyms of Heptanedinitrile (CAS NO.646-20-8): Heptandinitril ; 1,5-Dicyanopentane ; Pentamethylene dicyanide ; Pimelic acid dinitrile ; Pimelonitrile
Product Categories: Dinitriles;Dinitriles & Trinitriles
Apperance: clear colourless liquid
Index of Refraction: 1.437 
EINECS: 211-469-8
Density: 0.933 g/ml 
Flash Point: 143.4 °C 
Boiling Point: 310.8 °C

Uses

  Heptanedinitrile (CAS NO.646-20-8) is used as organic intermediates, fine chemicals, pharmaceutical research and development.

Toxicity Data With Reference

1.    

orl-rat LDLo:500 mg/kg

    JPETAB    Journal of Pharmacology and Experimental Therapeutics. 90 (1947),260.
2.    

orl-mus LD50:126 mg/kg

    ARTODN    Archives of Toxicology. 57 (1985),88.

Consensus Reports

Reported in EPA TSCA Inventory. Cyanide and its compounds are on the Community Right-To-Know List.

Safety Profile

Poison by ingestion. Many nitriles are poisons by ingestion and inhalation. When heated to decomposition it emits very toxic fumes of NOx and CN. See also NITRILES.Safety information of Heptanedinitrile (CAS NO.646-20-8):
Hazard Codes HarmfulXn
Risk Statements 
20/21/22 Harmful by inhalation, in contact with skin and if swallowed
Safety Statements 
36/37 Wear suitable protective clothing and gloves
24/25 Avoid contact with skin and eyes
RIDADR  UN 3276 6.1/PG 3
WGK Germany  3
RTECS  MI9020000
HazardClass  6.1(b)
PackingGroup  III