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ETHYLTHIOUREA

CAS No.
625-53-6
Chemical Name:
ETHYLTHIOUREA
Synonyms
N-ETHYLTHIOUREA;Nsc62921;Ent 61326;ETHYLTHIOUREA;1-ETHYLTHIOUREA;ethyl-2-thiourea;Thiourea, ethyl-;Ethylthiourea,99%;1-ETHYL-2-THIOUREA;1-ethyl-2-thio-ure
CBNumber:
CB6416447
Molecular Formula:
C3H8N2S
Molecular Weight:
104.17
MDL Number:
MFCD00004939
MOL File:
625-53-6.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-06-04 16:00:12
Product description Number Pack Size Price
N-Ethylthiourea 99% 252530 10g $228
1-Ethylthiourea ≥98% CS-0180914 1g $10
1-Ethylthiourea ≥98% CS-0180914 5g $31
1-Ethylthiourea ≥98% CS-0180914 10g $59
1-Ethylthiourea ≥98% CS-0180914 25g $118
More product size

ETHYLTHIOUREA Properties

Melting point 108-110 °C(lit.)
Boiling point 132 °C
Density 1.055 (estimate)
refractive index 1.5500 (estimate)
storage temp. Store at RT
solubility methanol: soluble25mg/mL, clear, colorless
form Solid
pka 14.97±0.29(Predicted)
color White to Off-White
Water Solubility Soluble in water (24g/L).
BRN 1699551
Henry's Law Constant 4.2×102 mol/(m3Pa) at 25℃, HSDB (2015)
InChI InChI=1S/C3H8N2S/c1-2-5-3(4)6/h2H2,1H3,(H3,4,5,6)
InChIKey GMEHFXXZSWDEDB-UHFFFAOYSA-N
SMILES N(CC)C(N)=S
CAS DataBase Reference 625-53-6(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII U54OR2E97E
EPA Substance Registry System Ethylthiourea (625-53-6)
UNSPSC Code 12352200
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Skull and Crossbones (GHS06)
GHS06
Signal word  Danger
Hazard statements  H301
Precautionary statements  P301+P310+P330
PPE Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Hazard Codes  T
Risk Statements  25
Safety Statements  36/37/39-45
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  YT3700000
TSCA  TSCA listed
HazardClass  6.1
PackingGroup  III
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 3 Oral
Hazardous Substances Data 625-53-6(Hazardous Substances Data)
Toxicity mouse,LDLo,oral,500mg/kg (500mg/kg),Teratology, The International Journal of Abnormal Development. Vol. 23, Pg. 335, 1981.
Limited Quantities 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
1
3 0

ETHYLTHIOUREA price More Price(27)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 252530 N-Ethylthiourea 99% 625-53-6 10g $228 2026-04-30 Buy
ChemScene CS-0180914 1-Ethylthiourea ≥98% 625-53-6 1g $10 2026-06-04 Buy
ChemScene CS-0180914 1-Ethylthiourea ≥98% 625-53-6 5g $31 2026-06-04 Buy
ChemScene CS-0180914 1-Ethylthiourea ≥98% 625-53-6 10g $59 2026-06-04 Buy
ChemScene CS-0180914 1-Ethylthiourea ≥98% 625-53-6 25g $118 2026-06-04 Buy
Product number Packaging Price Buy
252530 10g $228 Buy
CS-0180914 1g $10 Buy
CS-0180914 5g $31 Buy
CS-0180914 10g $59 Buy
CS-0180914 25g $118 Buy

ETHYLTHIOUREA Chemical Properties,Uses,Production

Uses

N-Ethylthiourea was used in the preparation of Re (III) complexes, which are precursors for the new rhenium complexes, potentially useful in nuclear medicine. It was also used in two-step protocol for the first chemoselective cleavage of 2-hydroxy acid amides

Definition

ChEBI: N-ethylthiourea is a member of the class of thioureas that is thiourea in which one of the hydrogens is replaced by an ethyl group. It is functionally related to a thiourea.

General Description

N-Ethylthiourea forms adduct with silver halides and their single crystal X-ray structural and spectroscopic characterizations are described.

reaction suitability

reagent type: catalyst
reagent type: chelator

Biological Activity

Potent, selective and reversible inhibitor of isoform II NO synthase (IC 50 = 13 nM; approximately 20- and 30-fold selective over isoforms I and III respectively).

Safety Profile

Poison by ingestion. SYN: 1-ETHYLTHIOUREA Experimental teratogenic effects. Mutation data reported. When heated to decomposition it emits toxic fumes of Sox and NOx.

Purification Methods

Crystallise the thiourea from EtOH, MeOH or ether. [Beilstein 4 IV 374.]

ETHYLTHIOUREA Preparation Products And Raw materials

Raw materials

Preparation Products

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