ChemicalBook > CAS DataBase List > N,N'-Diethylthiourea

N,N'-Diethylthiourea

Product Name
N,N'-Diethylthiourea
CAS No.
105-55-5
Chemical Name
N,N'-Diethylthiourea
Synonyms
DETU;u15030;U 15030;THIATE H;pennzonee;NCI-C03816;Pennzone E;u15030[qr];usafek-1803;USAF ek-1803
CBNumber
CB2438858
Molecular Formula
C5H12N2S
Formula Weight
132.23
MOL File
105-55-5.mol
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N,N'-Diethylthiourea Property

Melting point:
76-78 °C(lit.)
Boiling point:
245°C (estimate)
Density 
1,12 g/cm3
vapor pressure 
0.001Pa at 25℃
refractive index 
1.5300 (estimate)
Flash point:
186 °C
storage temp. 
Store below +30°C.
solubility 
42g/l
form 
solid
pka
14.47±0.70(Predicted)
color 
White to Off-White
PH
7 (38g/l, H2O, 20℃)
Water Solubility 
38 g/L (20 ºC)
BRN 
773905
Stability:
Stable. May be air sensitive. Incompatible with strong oxidizing agents.
InChIKey
FLVIGYVXZHLUHP-UHFFFAOYSA-N
LogP
0.57
CAS DataBase Reference
105-55-5(CAS DataBase Reference)
NIST Chemistry Reference
Diethyl-2-thiourea(105-55-5)
IARC
3 (Vol. 79) 2001
EPA Substance Registry System
N,N'-Diethylthiourea (105-55-5)
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Safety

Hazard Codes 
Xn,T
Risk Statements 
22-40-45-20/21/22
Safety Statements 
45-36/37-53-24/25
WGK Germany 
2
RTECS 
YS9800000
TSCA 
Yes
HS Code 
29309070
Hazardous Substances Data
105-55-5(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H317May cause an allergic skin reaction

H318Causes serious eye damage

H351Suspected of causing cancer

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.03520
Product name
N,N′-Diethylthiourea
Purity
for synthesis
Packaging
250g
Price
$48.3
Updated
2024/03/01
Sigma-Aldrich
Product number
D100900
Product name
N,N′-Diethylthiourea
Purity
98%
Packaging
250g
Price
$67.7
Updated
2024/03/01
Sigma-Aldrich
Product number
8.03520
Product name
N,N′-Diethylthiourea
Purity
for synthesis
Packaging
5kg
Price
$240
Updated
2024/03/01
Sigma-Aldrich
Product number
8.03520
Product name
N,N′-Diethylthiourea
Packaging
8035205000
Price
$184
Updated
2021/12/16
TCI Chemical
Product number
D0530
Product name
1,3-Diethyl-2-thiourea
Purity
>97.0%(T)
Packaging
25g
Price
$16
Updated
2024/03/01
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N,N'-Diethylthiourea Chemical Properties,Usage,Production

Description

Diethylthiourea, a thiourea derivative, is used mainly as a rubber chemical, particularly in solid neoprene products.

Chemical Properties

white to buff-coloured solid

Uses

Diethyl thiourea is the inhibitor of corrosion in metal pick/ing solutions; accelerator for mercaptan-modified chloroprene rubber; antidegradant for natural, nitrile-butadiene, styrene-butadiene, and chloroprene rubbers

Uses

N,N′-Diethylthiourea can be used as a reactant to prepare:

  • 3,5-Diethyltetrahydro-4-thioxo-1,3,5-triazine-1(2H)-propanoic acid by condensation reaction with formaldehyde and β-alanine.
  • Methyl 3-ethyl-2-(ethylimino)-3,4-dihydro-4-oxo-2H-1,3-thiazine-6-carboxylate by one-pot reaction with dimethyl acetylenedicarboxylate in the presence of triphenylphosphine catalyst.
  • 2-(Ethylimino)-3-ethyl-thiazolidin-4-one by cyclization reaction with 2-chloroacetic acid.
  • 3-Ethyl-2-(ethylimino)-4-oxo-5-thiazolidineacetamide by condensation reaction with maleimides via Michael-type reaction.

Definition

ChEBI: Thiourea in which each nitogen carries an ethyl substituent.

General Description

Buff solid or white powder.

Air & Water Reactions

N,N'-Diethylthiourea may be sensitive to exposure to air. . Slightly soluble in water.

Reactivity Profile

N,N'-Diethylthiourea is an amide. Amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx).

Health Hazard

ACUTE/CHRONIC HAZARDS: When heated to decomposition N,N'-Diethylthiourea emits toxic fumes.

Fire Hazard

Flash point data are not available for N,N'-Diethylthiourea, but N,N'-Diethylthiourea is probably combustible.

Flammability and Explosibility

Non flammable

Contact allergens

Diethylthiourea, a thiourea derivative, is used mainly as a rubber chemical, particularly in solid neoprene products.

Safety Profile

Poison by ingestion. Moderately toxic by intraperitoneal route. Questionable carcinogen with experimental carcinogenic data. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and SOx

Purification Methods

Crystallise it from *benzene. [Beilstein 4 H 118, 4 I 355, 4 II 610, 4 III 220, 4 IV 375.]

N,N'-Diethylthiourea Preparation Products And Raw materials

Raw materials

Carbon disulfide

Preparation Products

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N,N'-Diethylthiourea Suppliers

Americas 1 Australia 1 Belgium 4 Brazil 1 Chile 1 China 264 Europe 4 France 2 Germany 8 India 3 Japan 11 Slovakia 1 South Korea 1 Switzerland 2 The Netherlands 1 Ukraine 2 United Kingdom 13 United States 34 Global 354
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View Lastest Price from N,N'-Diethylthiourea manufacturers

Henan Fengda Chemical Co., Ltd
Product
N,N'-Diethylthiourea 105-55-5
Price
US $6.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-03-28
Hebei Yanxi Chemical Co., Ltd.
Product
N,N'-Diethylthiourea 105-55-5
Price
US $80.00-47.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10 tons
Release date
2023-09-06
WUHAN FORTUNA CHEMICAL CO., LTD
Product
N,N'-Diethylthiourea 105-55-5
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-01-10

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