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Ethylthiocyanate structure
Chemical Name:
ai3-18429;Aethylrhodanid;Ethylthiokyanat;ETHYL RHODANATE;ETHYL RHODANIDE;ethyl rhodonate;ETHYL THIOCYANATE;thiocyanato-ethan;ethyl thiocyanide;Thiocyanato-ethane
Molecular Formula:
Formula Weight:
MOL File:

Ethylthiocyanate Properties

Melting point:
Boiling point:
145 °C(lit.)
1.012 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.462(lit.)
Flash point:
109 °F
storage temp. 
Flammables area
CAS DataBase Reference
542-90-5(CAS DataBase Reference)
NIST Chemistry Reference
Thiocyanic acid, ethyl ester(542-90-5)
EPA Substance Registry System
Thiocyanic acid, ethyl ester(542-90-5)
  • Risk and Safety Statements
Signal word  Warning
Hazard statements  H226-H302+H312+H332
Precautionary statements  P210-P261-P280-P301+P312+P330-P370+P378
Hazard Codes  Xn
Risk Statements  10-20/21/22-36/37/38
Safety Statements  26-36/37-24/25-16
RIDADR  UN 2929 6.1/PG 2
WGK Germany  3
RTECS  XK9900000
HazardClass  3.2
PackingGroup  III
HS Code  29309070

Ethylthiocyanate price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical T0200 Ethyl Thiocyanate >98.0%(GC) 542-90-5 25mL $96 2018-11-22 Buy
TCI Chemical T0200 Ethyl Thiocyanate >98.0%(GC) 542-90-5 500mL $834 2018-11-22 Buy

Ethylthiocyanate Chemical Properties,Uses,Production

Chemical Properties

clear colorless liquid

Chemical Properties

Ethyl thiocyanate is a liquid. Onion odor

General Description

Liquid. Used as an agricultural insecticide.

Reactivity Profile

Nitric acid violently oxidized a thiocyanate solution [Bretherick, 1979 p. 121]. Caution should be exercised in treating a thiocyanate with an oxidizing agent such as a peroxide or chlorate as such mixtures have been known to explode.

Health Hazard

Ethylthiocyanate is highly toxic if ingested.

Fire Hazard

When heated to decomposition, Ethylthiocyanate emits very toxic fumes of oxides of nitrogen and sulfur.

Safety Profile

Poison by ingestion, subcutaneous, intraperitoneal, and intravenous routes. When heated to decomposition it emits very toxic fumes of NO, and SOx. See also THIOCYANATES.

Potential Exposure

This thiocyanate material is used as an agricultural insecticide


UN2929 Toxic liquids, flammable, organic, n.o.s., Hazard class: 6.1; Labels: 6.1-Poison Inhalation Hazard, 3-Flammable liquid, Technical Name Required

Purification Methods

Fractionally distil the ester at atmospheric pressure. [Beilstein 2 IV 1218.] (CARE LACHRYMATOR.)


Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, and epoxides. Esters are generally incompatible with nitrates. Moisture may cause hydrolysis or other forms of decomposition. Caution should be exercised in treating a thiocyanate with an oxidizing agent such as a peroxide or chlorate as such mixtures have been known to explode

Waste Disposal

In accordance with 40CFR 165 recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office

Ethylthiocyanate Preparation Products And Raw materials

Raw materials

Preparation Products

Ethylthiocyanate Suppliers

Global( 67)Suppliers
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Mainchem Co., Ltd.
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Ethylthiocyanate Spectrum

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