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HomeProduct name list2-Butanone oxime

2-Butanone oxime

Synonym(s):Methyl ethyl ketoxime

  • CAS NO.:96-29-7
  • Empirical Formula: C4H9NO
  • Molecular Weight: 87.12
  • MDL number: MFCD00013935
  • EINECS: 406-930-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:52
2-Butanone oxime Structural

What is 2-Butanone oxime?

Chemical properties

2-Butanone oxime is a colorless or light yellow oily transparent liquid that has strong complexation with metal ions and is volatile in the air. It can react with hydrochloric acid and sulfuric acid to form methyl ethyl ketone.

The Uses of 2-Butanone oxime

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}]. Methyl ethyl ketoxime is used primarily as an antiskinning agent in alkyd coating resins

What are the applications of Application

2-Butanone oxime is a reagent and solvent

Preparation

2-Butanone oxime is obtained by the reaction of butanone and hydroxylamine hydrochloride. It can also be synthesized by the reaction between butanone and hydroxylamine sulfate.

General Description

Clear colorless liquid with a musty odor.

Air & Water Reactions

Highly flammable. Water soluble.

Reactivity Profile

2-Butanone oxime is sensitive to heat. Has exploded at least twice when heated in the presence of acidic impurities [Chem. Eng. News, 1974, 52(35), 3]. Reacts with oxidizing agents. Mixtures with strong acids may explode. Reacts with sulfuric acid to form an explosive product .

Fire Hazard

2-Butanone oxime is combustible.

Flammability and Explosibility

Not classified

Safety Profile

Poison by intraperitoneal route. Moderately toxic by subcutaneous route. May explode if heated. Reacts with sulfuric acid to form an explosive product. When heated to decomposition it emits toxic fumes of NOX.

Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

COLORLESS TRANSPARENT CLEAR OILY LIQUID,FLAMMABLE

GRADE

EXCELLENT GRADE

MEKO CONTENT

99.7%min

WATER CONTENT

0.04%

ACID NUMBER (KOH mg/g)

0.05 max

CHROMA NO. (PLATINUM-COBALT)

2 max

Properties of 2-Butanone oxime

Melting point: -30 °C
Boiling point: 59-60 °C15 mm Hg(lit.)
Density  0.924 g/mL at 25 °C(lit.)
vapor density  3 (vs air)
vapor pressure  <8 mm Hg ( 20 °C)
refractive index  n20/D 1.442(lit.)
Flash point: 140 °F
solubility  water: soluble100g/L at 25°C
form  Liquid
pka pK1:12.45 (25°C)
color  Clear colorless to pale yellow
Water Solubility  114 g/L (20 ºC)
BRN  1698241
Dielectric constant 3.4(20℃)
Stability: Stable. Combustible. Incompatible with strong oxidizing agents. May react with strong acids to form an explosive material.
CAS DataBase Reference 96-29-7(CAS DataBase Reference)
NIST Chemistry Reference 2-Butanone, oxime(96-29-7)
EPA Substance Registry System Methyl ethyl ketoxime (96-29-7)

Safety information for 2-Butanone oxime

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Health Hazard
GHS08
GHS Hazard Statements H301:Acute toxicity,oral
H312:Acute toxicity,dermal
H315:Skin corrosion/irritation
H317:Sensitisation, Skin
H318:Serious eye damage/eye irritation
H336:Specific target organ toxicity,single exposure; Narcotic effects
H350:Carcinogenicity
H370:Specific target organ toxicity, single exposure
H373:Specific target organ toxicity, repeated exposure
Precautionary Statement Codes P202:Do not handle until all safety precautions have been read and understood.
P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 2-Butanone oxime

InChIKey WHIVNJATOVLWBW-SNAWJCMRSA-N

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