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3688-08-2

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Basic Information
CAS No.: 3688-08-2
Name: ethylenebis(isothiocyanate)
Article Data: 9
Molecular Structure:
Molecular Structure of 3688-08-2 (ethylenebis(isothiocyanate))
Formula: C4H4 N2 S2
Molecular Weight: 144.221
Synonyms: Isothiocyanicacid, ethylene ester (6CI,7CI,8CI); Dimethylene diisothiocyanate; Ethylenediisothiocyanate; Ethylenebis(isothiocyanate)
Density: 1.16g/cm3
Boiling Point: 274.6°Cat760mmHg
Flash Point: 122°C
Safety: A poison by ingestion and subcutaneous routes. Experimental teratogenic and reproductive effects. When heated to decomposition it emits very toxic fumes of NOx, NH3, and SOx. See also THIOCYANATES.
PSA: 88.90000
LogP: 1.19200
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Chemistry

IUPAC Name: 1,2-Diisothiocyanatoethane
Synonyms of Isothiocyanic acid, ethylene ester (CAS NO.3688-08-2) : Aethylen-bis-thiurammonosulfid ; EBI ; EBIS ; Ethane, 1,2-diisothiocyanato- (9CI) ; Ethylene diisothiocyanate
CAS NO:3688-08-2
Molecular Formula:C4H4N2S2
Molecular Weight :144.218  
Molecular Structure :
Index of Refraction: 1.591 
Surface Tension: 37.7 dyne/cm 
Density: 1.16 g/cm3 
Flash Point: 122 °C 
Enthalpy of Vaporization: 49.24 kJ/mol 
Boiling Point: 274.6 °C at 760 mmHg 
Vapour Pressure: 0.00897 mmHg at 25°C 

Uses

 Isothiocyanic acid, ethylene ester (CAS NO.3688-08-2) is used as  intermediate in organic synthesis.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 subcutaneous 110mg/kg (110mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Arzneimittel-Forschung. Drug Research. Vol. 5, Pg. 505, 1955.
rat LD50 oral 112mg/kg (112mg/kg)   Bulletin of Environmental Contamination and Toxicology. Vol. 17, Pg. 159, 1977.

 

Safety Profile

A poison by ingestion and subcutaneous routes. Experimental teratogenic and reproductive effects. When Isothiocyanic acid, ethylene ester (CAS NO.3688-08-2) is heated to decomposition ,it emits very toxic fumes of NOx, NH3, and SOx. See also THIOCYANATES.