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Sigma-Aldrich

2-Butanone oxime

99%

Sinónimos:

Methyl ethyl ketoxime

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About This Item

Fórmula lineal:
C2H5C(=NOH)CH3
Número de CAS:
96-29-7
Peso molecular:
87.12
Beilstein/REAXYS Number:
1698241
EC Number:
202-496-6
MDL number:
MFCD00013935
UNSPSC Code:
12352100
PubChem Substance ID:
24860083
NACRES:
NA.22

vapor density

3 (vs air)

vapor pressure

<8 mmHg ( 20 °C)

assay

99%

form

liquid

refractive index

n20/D 1.442 (lit.)

bp

59-60 °C/15 mmHg (lit.)

solubility

water: soluble 100 g/L at 25 °C

density

0.924 g/mL at 25 °C (lit.)

SMILES string

CC\C(C)=N\O

InChI

1S/C4H9NO/c1-3-4(2)5-6/h6H,3H2,1-2H3/b5-4+

InChI key

WHIVNJATOVLWBW-SNAWJCMRSA-N

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General description

2-Butanone oxime is an antioxidant and blocking agent used in the synthesis of water-dispersible blocked polyurethane.

Application

2-Butanone oxime was employed as reagent and solvent in the syntheses of ketoimine and 2,4-dipyridyl-1,3,5-triazapentadiene palladium(II) complexes. It was also used in the synthesis of novel acetaldiimine cobalt complex, [CoI2{((CH3CH2)(CH3)C=NO)2C(CH3)2}].

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Carc. 1B - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 - STOT SE 1 - STOT SE 3

target_organs

Blood, Central nervous system, Upper respiratory tract

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

143.5 °F - closed cup

flash_point_c

61.97 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Michael J Derelanko et al.
Drug and chemical toxicology, 26(3), 147-168 (2003-09-05)
The developmental toxicity of methyl ethyl ketoxime (MEKO), an industrial antioxidant used primarily as an antiskinning agent in alkyd paint, was investigated in rats and rabbits. Following preliminary dose range finding studies, groups of 25 pregnant rats or 18 pregnant
R W Tyl et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 31(2), 149-161 (1996-06-01)
Methylethyl ketoxime (CAS No. 96-29-7; MEKO; 2-butanone oxime), an antioxidant agent used in paints, resins, and adhesives, was tested for reproductive toxicity in a two-generation study with CD (Sprague-Dawley) rats. Thirty-eight-week-old rats/sex/group (F0) were administered MEKO in water, by gavage
Michael J Derelanko et al.
Drug and chemical toxicology, 31(1), 97-114 (2007-12-29)
Acute and repeated oral and dermal rat toxicology studies of standard designs were conducted on four methyl ethyl ketoxime (MEKO) silanes and four methyl isobutyl ketoxime (MIBKO) silanes. Each compound contained either MEKO or MIBKO groups (but not both) and
Paul E Newton et al.
Inhalation toxicology, 14(12), 1249-1260 (2002-11-28)
Methylethylketoxime, also known as MEKO or 2-butanone oxime (CAS No. 96-29-7), is a clear, colorless to light yellow liquid at room temperature. It is an industrial antioxidant used as an antiskinning agent in alkyd paint, an industrial blocking agent for
L T Burka et al.
Xenobiotica; the fate of foreign compounds in biological systems, 28(10), 1005-1015 (1998-12-16)
1. The disposition of 14C-methyl ethyl ketoxime (MEKO) was determined in the male F344 rat following oral, intravenous (i.v.) and dermal administration. 2. Oral doses of 2.7, 27 and 270 mg/kg were primarily excreted as CO2 (71-49%) in decreasing percentage
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