Ethylthiourea

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Names

[ CAS No. ]:
625-53-6

[ Name ]:
Ethylthiourea

[Synonym ]:
Urea,1-ethyl-2-thio
Ethylthiourea
MFCD00004939
methanethiol, 1-(ethylamino)-1-imino-
N-Ethylcarbamimidothioic acid
Thiourea,ethyl
N-Ethylthiocarbamide
N-ETHYLTHIOUREA
Thiourea,N-ethyl
Ethyl-2-thiourea
1-ethyl-2-thiourea
EINECS 210-899-3
1-Ethylthiourea
ethyl thiourea
Thiourea, N-ethyl-

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
161.6±23.0 °C at 760 mmHg

[ Melting Point ]:
108-110 °C(lit.)

[ Molecular Formula ]:
C₃H₈N₂S

[ Molecular Weight ]:
104.174

[ Flash Point ]:
51.5±22.6 °C

[ Exact Mass ]:
104.040817

[ PSA ]:
70.14000

[ LogP ]:
-0.18

[ Vapour Pressure ]:
2.3±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.549

[ Storage condition ]:
Store at RT

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YT3700000

CHEMICAL NAME :: Urea, 1-ethyl-2-thio-

CAS REGISTRY NUMBER :: 625-53-6

BEILSTEIN REFERENCE NO. :: 1699551

LAST UPDATED :: 199710

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C3-H8-N2-S

MOLECULAR WEIGHT :: 104.19

WISWESSER LINE NOTATION :: SUYZM2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 500 mg/kg

SEX/DURATION :: female 12 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - musculoskeletal system

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1 gm/kg

SEX/DURATION :: female 12 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - gastrointestinal system Reproductive - Specific Developmental Abnormalities - urogenital system

MUTATION DATA

TYPE OF TEST :: DNA repair

TEST SYSTEM :: Microorganism - not otherwise specified

DOSE/DURATION :: 10 mg/plate

REFERENCE :: BIZNAT Biologisches Zentralblatt. (VEB Georg Thieme, Postfach 946, Leipzig DDR-7010, Ger. Dem. Rep.) V.1- 1881- Volume(issue)/page/year: 95,463,1976 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4672 No. of Facilities: 17 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 1031 (estimated) No. of Female Employees: 449 (estimated)

Safety Information

[ Symbol ]:

GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301

[ Precautionary Statements ]:
P301 + P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges

[ Hazard Codes ]:
T

[ Risk Phrases ]:
25

[ Safety Phrases ]:
S36/37/39-S45

[ RIDADR ]:
UN 2811 6.1/PG 3

[ WGK Germany ]:
3

[ RTECS ]:
YT3700000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Isothiocyanatoethane
3-ethyl-4,6,6-trimethyl-1H-pyrimidine-2-thione
1-ethyl-6-hydroxy-4,4,6-trimethyl-tetrahydro-pyrimidine-2-thione
N-(ethylcarbamothioyl)benzamide
Benzonitrile
1-tert-butyl-3-ethylthiourea
O-Ethyl thiocarbamate
Ethylamine
Ammonia

DownStream

3-ethyl-4,6,6-trimethyl-1H-pyrimidine-2-thione
Isothiocyanatoethane
ETHYL-THIAZOL-2-YL-AMINE
1-[2-(ethylamino)-4-methyl-1,3-thiazol-5-yl]ethanone
Carbamimidothioic acid,ethyl-, ethyl ester, monohydrobromide (9CI)
2-(ethylamino)-5-(1H-indol-3-ylmethyl)-1,3-thiazol-4-one
3-ethyl-2-imino-5-indol-3-ylmethyl-thiazolidin-4-one

Articles

Structural and spectroscopic studies of some adducts of silver(I) halides with thiourea and N-ethyl substituted thioureas.

Dalton Trans. 39(18) , 4391-404, (2010)

Syntheses, single crystal X-ray structural and spectroscopic characterizations are described for a variety of adducts of silver halides with thiourea ('tu'), N-ethylthiourea ('ettu' = EtNH.CS.NH(2)) a...

Infrared spectra of new Re(III) complexes with thiourea derivatives.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 58(14) , 3085-92, (2002)

Complexes of the type [Re(III)L6]X3, with L = thiourea, N-methylthiourea, N-ethylthiourea or N,N'-dimethytlthiourea and X = Cl- or PF6-, were prepared as suitable precursors for the synthesis of new r...

A convenient protocol for selective cleavage of 2-hydroxy acid amides. Application to semisynthesis of the cyclic heptapeptide aza HUN-7293.

J. Org. Chem. 67(24) , 8299-304, (2002)

A two-step protocol for the first chemoselective cleavage of 2-hydroxy acid amides has been developed. Mesylation of the model substrate 2-(hydroxypropionylamino)-4-methylpentanoic acid methyl ester (...