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4-ETHYL-3-THIOSEMICARBAZIDE

Product Name
4-ETHYL-3-THIOSEMICARBAZIDE
CAS No.
13431-34-0
Chemical Name
4-ETHYL-3-THIOSEMICARBAZIDE
Synonyms
B 1131;ETHYLTHIOSEMICARBAZIDE;3-amino-1-ethylthiourea;4-Ethylthiosemicarbazide;3-amino-1-ethyl-thiourea;N-ethylthiosemicarbazide;4-ETHYL-3-THIOSEMICARBAZIDE;Semicarbazide, 4-ethyl-3-thio-;N-Ethylhydrazinecarbothioamide;n-ethyl-hydrazinecarbothioamid
CBNumber
CB2308991
Molecular Formula
C3H9N3S
Formula Weight
119.19
MOL File
13431-34-0.mol
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4-ETHYL-3-THIOSEMICARBAZIDE Property

Melting point:
82-84 °C (lit.)
Boiling point:
187.4±23.0 °C(Predicted)
Density 
1.109 (estimate)
refractive index 
1.5800 (estimate)
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
pka
10.91±0.70(Predicted)
form 
solid
Appearance
White to off-white Solid
InChI
1S/C3H9N3S/c1-2-5-3(7)6-4/h2,4H2,1H3,(H2,5,6,7)
InChIKey
SKYYTGUCWARUCL-UHFFFAOYSA-N
SMILES
CCNC(=S)NN
EPA Substance Registry System
Hydrazinecarbothioamide, N-ethyl- (13431-34-0)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39
WGK Germany 
3
TSCA 
TSCA listed
HazardClass 
IRRITANT
Storage Class
11 - Combustible Solids
Hazard Classifications
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
E49304
Product name
4-Ethyl-3-thiosemicarbazide
Purity
97%
Packaging
25g
Price
$382
Updated
2025/07/31
TRC
Product number
E926845
Product name
4-Ethyl-3-thiosemicarbazide
Packaging
5g
Price
$125
Updated
2021/12/16
TRC
Product number
E926845
Product name
4-Ethyl-3-thiosemicarbazide
Packaging
1g
Price
$45
Updated
2021/12/16
SynQuest Laboratories
Product number
7167-1-11
Product name
4-Ethyl-3-thiosemicarbazide
Packaging
5G
Price
$94
Updated
2021/12/16
Matrix Scientific
Product number
057079
Product name
4-Ethyl-3-thiosemicarbazide
Packaging
5g
Price
$95
Updated
2021/12/16
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4-ETHYL-3-THIOSEMICARBAZIDE Chemical Properties,Usage,Production

Chemical Properties

white to very slightly yellow fine cryst. powder

Uses

4-Ethyl-3-thiosemicarbazide is useful in the synthesis of saccharin which exhibits strong cytotoxic activity against the MCF-7 and MDA-MB-231 human breast cancer cell lines.

4-ETHYL-3-THIOSEMICARBAZIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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4-ETHYL-3-THIOSEMICARBAZIDE Suppliers

Belgium 1 China 33 Germany 1 India 2 Japan 1 Switzerland 1 United Kingdom 3 United States 6 Global 48
J & K SCIENTIFIC LTD.
Tel
18210857532; 18210857532
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
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Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44801
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Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696
Email
info@hanhongsci.com
Country
China
ProdList
42934
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64
Syntechem Co.,Ltd
Tel
Fax
E-Mail Inquiry
Email
info@syntechem.com
Country
China
ProdList
12984
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Wuhan TCASChem Technology Co., Ltd.
Tel
027-86697669 13986148687
Fax
86-027-86697669
Email
sales@tcaschem.com
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China
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Nanjing Datang Pharmaceutical Technology Co., Ltd.
Tel
025-84341491 13951930983
Fax
025-84341491
Email
821832400@qq.com
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China
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291
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Shanghai Macklin Biochemical Co.,Ltd.
Tel
15221275939
Fax
021-50706099
Email
shenlinxing@macklin.cn
Country
China
ProdList
15872
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55
Sigma-Aldrich
Tel
021-61415566 800-8193336
Email
orderCN@merckgroup.com
Country
China
ProdList
51395
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Shanghai YuanYe Biotechnology Co., Ltd.
Tel
021-61312847; 18021002903
Fax
QQ:3008007432
Email
3008007409@qq.com
Country
China
ProdList
71826
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60
Amadis Chemical Company Limited
Tel
571-89925085
Fax
0086-571-89925065
Email
sales@amadischem.com
Country
China
ProdList
131957
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58

13431-34-0, 4-ETHYL-3-THIOSEMICARBAZIDERelated Search:

6-AZA-2-THIOTHYMINE 4-ETHYL-3-THIOSEMICARBAZIDE 4-TERT-BUTYL-3-THIOSEMICARBAZIDE 4-METHYL-5-(TRIFLUOROMETHYL)-1,2,4-TRIAZOLIN-3(2H)-THIONE 4-[2-(4-Morpholinyl)ethyl]-3-thiosemicarbazide, 98+%,4-[2-(4-MORPHOLINO)ETHYL]-3-THIOSEMICARBAZIDE,4-[2-(4-MORPHOLINO)ETHYL]-3-THIOSEMICARBAZIDE, 98+% 4-BENZYL-3-THIOSEMICARBAZIDE 4-[3-(4-MORPHOLINO)PROPYL]-3-THIOSEMICARBAZIDE 4-CYCLOHEXYL-3-THIOSEMICARBAZIDE 4-ALLYLTHIOSEMICARBAZIDE Semicarbazide N-Aminothiourea 4-ISOPROPYL-3-THIOSEMICARBAZIDE 5-TRIFLUOROMETHYL-4H-1,2,4-TRIAZOLE-3(2H)THIONE 4-BUTYL-3-THIOSEMICARBAZIDE 5-[3,5-BIS(TRIFLUOROMETHYL)PHENYL]-1,2,4-TRIAZOLE-3-(2H)-THIONE 4-(2-PIPERIDINOETHYL)-3-THIOSEMICARBAZIDE 4-(3,4-DIMETHOXYPHENETHYL)-3-THIOSEMICARBAZIDE 2-THIO-6-AZAURIDINE

  • ETHYLTHIOSEMICARBAZIDE
  • 4-ETHYL-3-THIOSEMICARBAZIDE
  • 4-Ethylthiosemicarbazide
  • B 1131
  • Hydrazinecarbothioamide, N-ethyl-
  • n-ethyl-hydrazinecarbothioamid
  • N-Ethylhydrazinecarbothioamide
  • Semicarbazide, 4-ethyl-3-thio-
  • 4-ETHYL-3-THIOSEMICARBAZIDE 97%
  • 4-Ethyl-3-thiosemicarbazide,97%
  • 3-amino-1-ethylthiourea
  • 3-amino-1-ethyl-thiourea
  • N-ethylthiosemicarbazide
  • Semicarbazide, 4-ethyl-3-thio- (8CI)
  • 13431-34-0
  • C3H9N3S
  • C2H5NHCSNHNH2
  • Building Blocks
  • Organic Building Blocks
  • Sulfur Compounds
  • Thiocarbonyl Compounds
  • Organic Building Blocks
  • Sulfur Compounds
  • Thiocarbonyl Compounds