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Ethlenethiourea structure
Chemical Name:
ETU;NA 22;na-22;NA-22-D;robac22;Mercozen;Robac 22;ACCEL-BF;mercazini;pennaccra
Molecular Formula:
Formula Weight:
MOL File:

Ethlenethiourea Properties

Melting point:
196-200 °C(lit.)
vapor pressure 
<1 hPa (25 °C)
refractive index 
1.5500 (estimate)
Flash point:
252 °C
storage temp. 
Water Solubility 
19 g/L (20 ºC)
Boiling point:
240°C (1010 hPa)
CAS DataBase Reference
96-45-7(CAS DataBase Reference)
NIST Chemistry Reference
EPA Substance Registry System
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T
Risk Statements  61-22-48/23/25-40
Safety Statements  53-45
RIDADR  2811
WGK Germany  2
RTECS  NI9625000
HazardClass  6.1(b)
PackingGroup  III
HS Code  29332990
Hazardous Substances Data 96-45-7(Hazardous Substances Data)
Toxicity LD50 orally in rats: 1832 mg/kg (Graham, Hansen)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H320 Causes eye irritation Serious eye damage/eye irritation Category 2B Warning P264, P305+P351+P338,P337+P313
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H360 May damage fertility or the unborn child Reproductive toxicity Category 1A, 1B Danger
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
H402 Harmful to aquatic life Hazardous to the aquatic environment, acute hazard Category 3
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P281 Use personal protective equipment as required.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.
P501 Dispose of contents/container to..…

Ethlenethiourea price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 45531 2-Imidazolidinethione PESTANAL , analytical standard 96-45-7 250mg $36.3 2018-11-13 Buy
Sigma-Aldrich I504 2-Imidazolidinethione 98% 96-45-7 1kg $171 2018-11-13 Buy
TCI Chemical I0004 Ethylenethiourea >98.0%(T) 96-45-7 25g $23 2018-11-22 Buy
TCI Chemical I0004 Ethylenethiourea >98.0%(T) 96-45-7 500g $91 2018-11-22 Buy
Sigma-Aldrich 8.20696 2-Imidazolidinethione for synthesis. CAS 96-45-7, molar mass 102.16 g/mol., for synthesis 96-45-7 8206961000 $149 2018-11-23 Buy

Ethlenethiourea Chemical Properties,Uses,Production

Chemical Properties

A white powder.

Chemical Properties

Ethylene thiourea is a white to light green, needle-like crystalline solid with a faint amine odor


elastomer accelerator;chlorinated polyethylene (CPE) rubber vulcanizing accelerator agent


2-Imidazolidinethione is a pesticide used in production of fruits and vegetables. It is also used as a new contrast agent for MRI studies based on proton chemical exchange dependent saturation transfe r. 2-Imidazolidinethione is also a corrosion inhibitor due to the adsorption of the mol. species.


Accelerator in synthetic rubber production.

General Description

White to pale green crystals or an off-white solid. Odorless when pure, but technical product may have an amine odor.

Air & Water Reactions

Slightly soluble in water.

Reactivity Profile

Ethlenethiourea may be sensitive to prolonged exposure to light. Incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. May react with acids to liberate hydrogen sulfide.


Questionable carcinogen.

Fire Hazard

Ethlenethiourea is combustible.

Contact allergens

Ethylenethiourea, a thiourea derivative, is a rubber chemical. It caused contact dermatitis mainly in rubber workers.

Potential Exposure

Ethylene thiourea is used extensively as an accelerator in the curing of polychloroprene (Neoprene) and other elastomers; as a vulcanizing accelerator in rubber processing; in electroplating baths. In addition, exposure to ethylene thiourea also results from the very widely used ethylene bisdithiocarbamate fungicides. Ethylene thiourea may be present as a contaminant in the ethylene bisdithiocarbamate fungicides and can also be formed when food containing the fungicides is cooked

First aid

Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy


UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required

Purification Methods

Crystallise it from EtOH or amyl alcohol. [Beilstein 24 III/IV 22.]


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, epoxides, acid anhydrides, and acrolein

Waste Disposal

Incineration in a furnace equipped with afterburner and scrubber.

Ethlenethiourea Preparation Products And Raw materials

Raw materials

Preparation Products

Ethlenethiourea Suppliers

Global( 258)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Chemson Industrial (Shanghai) Co., Ltd.
86-21-65180813 CHINA 121 58
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 22043 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20786 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32651 55
Nanjing Finetech Chemical Co., Ltd.
025-85710122 17714198479
025-85710122 CHINA 894 55
Chemwill Asia Co.,Ltd.
86-21-51861608;;; CHINA 24118 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254 CHINA 20229 58
Chengdu GLP Biotech Co., Ltd
13350802083 CHINA 1006 58
career henan chemical co
+86-371-86658258 CHINA 19997 58
Wuhan Excellent Voyage Chemical Co.,Ltd. 18771133548
027-63376591 China 207 58

View Lastest Price from Ethlenethiourea manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-17 Ethlenethiourea
US $1.00 / KG 1G 98% 100KG career henan chemical co
2018-04-23 Accelerator NA-22 (ETU); Ethylene thiourea; 2-Imidazolidinethione
US $6.00 / KG 25KG 99.50% 1000tons Chemson Industrial (Shanghai) Co., Ltd.

Ethlenethiourea Spectrum

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