Methyl ethyl ketone oxime (butanone oxime) anti‑skinning agent

Main applications: 1. This product is an oil-based coating antioxidant, used for preventing skin formation during storage of various oil-based paints, such as alkyd and epoxy‑ester coatings. In alkyd resin coatings, it also serves to inhibit skin formation and stabilize viscosity. Recommended dosage: 0.1–0.3%; suitable for applications in offset printing inks and related industries. 2. This product can be employed as a synthetic organosilicon crosslinking agent and curing agent, primarily for one-component room-temperature vulcanizing silicone rubber products, as well as an isocyanate blocking agent. 3. It can be used as an antioxidant and corrosion inhibitor in industrial boilers or water treatment systems. 4. It is utilized in pharmaceutical intermediates for removing aluminum and magnesium impurities, among other applications. 5. It is used in the production of high-purity solid hydroxylamine sulfate, hydroxylamine hydrochloride, and related products.

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Product Introduction

Product Label:

Chinese alias	Methyl ethyl ketone oxime; 2-butanone oxime; methyl ethyl ketone oxime; anti‑skinning agent; methyl ethyl ketone amine;
Molecular formula	C4H9NO	Molecular weight	87.12
CAS Number	96-29-7	EINECS number	202-496-6
HS code	2928000090	Dangerous Goods Number	None
UN number	UN1993 3/PG 3	Trademark	Xianlin

Physicochemical properties:

Appearance and Properties	A colorless or pale yellow oily, transparent liquid.
Melting point	-29°C	Boiling point	152-153°C
Relative density	0.92 (20/4°C)	Flash point	60°C
Refractive index	1.4410	Viscosity	4.4 mPa•s (25°C)
Other	Soluble in 10 parts water at room temperature, and Methanol, ethanol, ether Class , organic solvents such as turpentine Miscible . It exhibits strong complexation with metal ions and is readily volatile, Can It reacts with hydrochloric acid and sulfuric acid, releasing methyl ethyl ketone. It is flammable.

Quality indicators:

Common Metrics	Project Analysis	Indicators (Implementation Standard: Q/XLHG 002-2013)
	Methyl ethyl ketone oxime content %	≥99.9
	Moisture %	≤0.03
	Acid value (mg/g as acetic acid)	≤0.1
	Chroma (Palladium-Cobalt) No.	≤5

Main uses:

　　1. This product is an oil-based coating antioxidant, used for preventing skin formation during the storage of various oil-based paints, such as alkyd and epoxy‑ester coatings. In alkyd resin coatings, it also serves to inhibit skin formation and stabilize viscosity. The recommended addition level is 0.1–0.3%; it is suitable for applications in offset printing inks and other industries.

　　2. This product can be used to synthesize organosilicon crosslinking agents and curing agents, primarily for one-component room-temperature vulcanizing silicone rubber products, as well as an isocyanate blocking agent.

　　3. Can be used as an antioxidant and corrosion inhibitor in industrial boilers or water treatment systems.

　　4. In pharmaceutical intermediates, processes such as alum removal and magnesium removal, etc.

　　5. Production of solid high-purity hydroxylamine sulfate, hydroxylamine hydrochloride, and other products.

Packaging: Net weight per drum: 190 kg in galvanized drums, 190 kg in plastic drums, and 25 kg in plastic drums. Alternatively, tank truck transport is available upon customer request.

Storage and Transportation: This product is highly flammable and must be stored in a cool, dry place, away from oxidizers and acids. After each use, the container should be tightly sealed to prevent moisture absorption and oxidation, which could affect subsequent use. The shelf life is one year. Freight procedures shall be handled in accordance with standard regulations for the transport of chemical substances.

Keywords: Methyl ethyl ketone oxime (butanone oxime) anti‑skinning agent

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Main applications: It is used as a curing agent and crosslinking agent for room‑temperature vulcanizing silicone rubber. Tetrabutylketoxysilane is often blended with methyltris(β‑ketoxymethyl)silane, which can significantly accelerate the surface drying of ketoxime‑cured RTV silicone rubbers, prevent surface cracking, and enhance properties such as tensile strength. Replacing vinyltris(β‑ketoxymethyl)silane with tetrabutylketoxysilane eliminates the tendency of the latter to yellow over time. Furthermore, when using tetrabutylketoxysilane, an organotin catalyst may be omitted, making it suitable for applications where organotin compounds are not permitted.

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Methyl ethyl ketone oxime (butanone oxime) anti‑skinning agent

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