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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

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

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
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
F Forton et al.
The British journal of dermatology, 138(3), 461-466 (1998-05-15)
A standardized skin surface biopsy was performed in 34 patients suffering from skin diseases with high Demodex folliculorum density (Dd) > 5D/cm2 before, during and after topical treatment. The patients were randomized into six comparable groups to study six topical
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