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128201

Sigma-Aldrich

N-Ethyl-o-crotonotoluidide

97%

Synonym(s):

N-Ethyl-N-(2-methylphenyl)-2-butenamide, Crotamiton

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About This Item

Linear Formula:
CH3CH=CHCON(C2H5)C6H4CH3
CAS Number:
483-63-6
Molecular Weight:
203.28
EC Number:
207-596-3
MDL number:
MFCD00026989
UNSPSC Code:
12352100
PubChem Substance ID:
24847834
NACRES:
NA.22

description

predominantly trans

Quality Level

100

assay

97%

form

solid

refractive index

n20/D 1.54 (lit.)

bp

153-155 °C/13 mmHg (lit.)

solubility

ethanol: soluble
methanol: soluble

density

0.987 g/mL at 25 °C (lit.)

SMILES string

CCN(C(=O)\C=C\C)c1ccccc1C

InChI

1S/C13H17NO/c1-4-8-13(15)14(5-2)12-10-7-6-9-11(12)3/h4,6-10H,5H2,1-3H3/b8-4+

InChI key

DNTGGZPQPQTDQF-XBXARRHUSA-N

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Application

N-Ethyl-o-crotonotoluidide ( Crotamiton) was used to study the photocatalytic decomposition of crotamiton in aqueous solution using TiO2.
N-Ethyl-o-crotonotoluidide (Crotamiton) was used to treat scabies and various pruritic dermatoses.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
12204EU
10402BN
06028AW
04727CZ
35705DN

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The use of N-ethyl-o-crotonotoluidide in the treatment of scabies and various pruritic dermatoses.
M COUPERUS
The Journal of investigative dermatology, 13(1), 35-42 (1949-07-01)
Maria Wesołowska et al.
Wiadomosci parazytologiczne, 51(3), 253-256 (2006-08-18)
Demodex mites are common parasites in the hair follicles and in the pilosebaceous glands. Demodex folliculorum and D. brevis have been identified in humans and play a role in three facial conditions: Pityriasis folliculorum, rosacea-like demodicidosis and Demodicidosis gravis. The
E Dika et al.
Cutaneous and ocular toxicology, 25(3), 211-216 (2006-09-19)
Crotamiton is a topical drug used in the treatment of scabies and pruritus. We determined its percutaneous absorption following single and multiple dosing in normal skin. We used in vivo measurement of percutaneous absorption of [14C] crotamiton in a multidose
Rika Sekine et al.
Experimental dermatology, 21(3), 201-204 (2012-03-03)
Itch accompanies various skin diseases. As a number of mediators other than histamine can be involved in the itch sensation, H1 receptor antagonists are not necessarily effective in treating itch. External application of antipruritic drugs is occasionally used as an
Ahmed M Al-Arfaj et al.
The American journal of tropical medicine and hygiene, 76(5), 967-971 (2007-05-10)
A 31-year-old Saudi man was seen at an ear, nose, and throat clinic at Riyadh, Saudi Arabia, with bilateral itching in the external auditory canal. On otoscopic examination, the skin lining the ear canal was thickened with whitish sheets of
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