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2-butanone oxime

Chinese name of chemical: 2-butanone oxime
Common name or trade name of chemicals: butanone oxime, methyl ethyl ketone oxime, methyl ethyl ketone oxime
English name of chemical: methyl ethyl ketoxime
Recommended and restricted uses: mainly used as silicone crosslinking agent, silicone curing agent and isocyanate sealing agent; It plays the role of anti scaling and stabilizing viscosity during the storage of various alkyd resin paints, epoxy resins and polyurethane.
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产品描述
Parameters

Packing: Recycled steel cylinder—40L

R-23 refrigerant, alias R23, Freon 23, F23, F-23, HFC23, HFC-23. Since R-23 belongs to HFC substances (non-ODS substances Ozone-depleting Substances), it does not destroy the ozone layer at all. It is an environmentally friendly refrigerant recognized and recommended by most countries in the world, and it is also one of the mainstream environmentally friendly refrigerants.

 

Scope of application

As a widely used ultra-low temperature refrigerant, R-23 is a very effective and safe CFC-13 (R13, R-13, Freon 13, Freon-13) and R- Substitutes for 503, mainly used in environmental test chambers/equipment (cold and thermal shock testers), freeze dryers/freeze dryers, ultra-low temperature refrigerators or freezers, blood bank refrigerators, biochemical test chambers and other cryogenic equipment (including scientific research refrigeration, medical refrigeration, etc.), the cryogenic grades that are commonly used in these cascade refrigeration systems. At the same time, trifluoromethane can also be used as a gas fire extinguishing agent, which is an ideal substitute for halon 1301. It has the characteristics of cleanliness, low toxicity and good fire extinguishing effect.

 

Physical properties

Scope of application
Mainly used for silicone crosslinking agent, silicone curing agent and isocyanate sealing agent; It plays the role of anti scaling and stabilizing viscosity during the storage of various alkyd resin paints, epoxy resins and polyurethane.
Physical and chemical properties
Molecular formula: c4h9no
Molecular weight: 87.12
PH value -
Melting point (freezing point) - 30 ℃
Boiling point, initial boiling point and boiling range: 152.6 ℃
Relative density (water = 1) 0.924g/ml (25 ℃)
Relative vapor density (air = 1) 3
Saturated steam pressure (kPa) 59-60 ℃ (2KPa)
Flash point (℃) 59 ℃
Ignition temperature (℃) 315 ℃
Upper explosive limit [% (V / V)] 5.3%
Lower explosive limit [% (V / V)] 1.5%
Flammability: flammable
Solubility: 114g / L in water. Soluble in organic solvents.
Appearance and properties: colorless to yellowish transparent oily liquid
Hazard overview
GHS hazard category: This product belongs to flammable liquid, category 3
Warning words: warning
Danger information: flammable liquid may cause fire and explosion in case of open fire.
Precautions:
Preventive measures: keep away from heat sources, sparks and hot surfaces. Smoking is prohibited in the workplace
Accident response: if the skin is contaminated, immediately take off all the contaminated clothes and wash the skin with water. If it splashes into the eyes, immediately wash the eyes with water for 15 minutes. In case of fire, spray water, dry powder, sand, foam, carbon dioxide, etc. shall be used to extinguish the fire.
Safe storage: store in a well ventilated place, keep dry and low temperature.
Waste disposal: This product and containers shall be disposed according to relevant local regulations.
Physical and chemical hazard: it is easy to burn, its steam can form explosive mixed gas with air, and can emit toxic smoke.
Health hazard: irritating to eyes, mucous membrane and respiratory tract
Environmental hazard: harmful to the environment.
Composition / composition information
Concentration or concentration range of hazardous components (CAS. No)
2-butanone oxime ≥ 99.5% (96-29-7)
Exposure control / personal protection
Exposure limit: no data
Biological limit: no data
Detection method: Gas Chromatography
Engineering control: the production process is closed and ventilated. Shower and eyewash facilities are provided.
Respiratory system protection: it is recommended to wear filter type gas mask when it may be exposed to its vapor.
Eye protection: wear chemical safety glasses.
Skin and body protection: wear ordinary work protective clothing.
Hand protection: wear rubber gloves.
Other protection: smoking, eating and drinking should be prohibited in the workplace. Drinking should be avoided before work. Shower and change clothes after work.
Emergency treatment and disposal methods
First aid measures
Skin contact: take off the contaminated clothes and wash the skin thoroughly with soapy water or water.
Eye contact: immediately lift the eyelid and rinse with flowing water or normal saline for at least 15 minutes. See a doctor.
Inhalation: immediately leave the site to a place with fresh air to keep the respiratory tract unobstructed.
Ingestion: gargle the mouth, induce vomiting and seek medical attention in case of accidental ingestion.
Fire fighting measures
Hazard characteristics: easy to burn, can be ignited by external fire source, and may emit toxic smoke.
Fire extinguishing method and extinguishing agent: spray water, foam, carbon dioxide, dry powder and sand can be used for fire fighting.
Precautions and measures for fire extinguishing: immediately cut off the leakage source, put out the fire with dry powder, foam and sand, and spray water to keep the containers in the fire site cool. If it is a single container, try to move the container to an open place.
Leakage emergency treatment
Protective measures, protective equipment and emergency treatment procedures for operators: eliminate all ignition sources, wear anti-static clothing, and effectively ground the equipment used during operation. Cut off the leakage source as much as possible. The treatment personnel shall wear rubber gloves and masks for recycling.
Environmental protection measures: prevent leakage from entering water, sewer and confined space.
Storage and removal methods of leaked chemicals and disposal materials used: build dikes to prevent the leakage from spreading, collect them into special containers or tankers with Self-priming pumps or other collection tools, and send them to professional manufacturers or qualified environmental protection companies for treatment.
Handling and storage
Precautions for operation: it is recommended that operators wear rubber gloves and masks for operation. Fireworks are strictly prohibited in the workplace, and should be loaded and unloaded with care to prevent package damage.
Storage precautions: store in a cool and ventilated warehouse, away from fire and heat source, and prevent direct sunlight. Store separately from oxidant and acid.
Stability and reactivity
Stability: stable
Forbidden compound: strong oxidant
Conditions to avoid contact: open fire, direct sunlight.
Decomposition products: carbon monoxide, carbon dioxide, nitrogen oxides.
Toxicological data
Toxicity: LD50: 2326mg / kg (mice, oral).
LD50: > 1000mg / kg (rabbit, skin).
LC50: > 4.8mg/l (mouse, inhalation).
Skin irritation or corrosion: irritating to skin.
Eye irritation or corrosion: irritating to eyes, mucosa and respiratory tract.
Respiratory or skin allergy: may cause skin allergic reaction.
Germ cell mutagenicity: no data.
Carcinogenicity: suspected to cause cancer.
Reproductive toxicity: no data.
Specific target organ toxicity - single exposure: no data.
Specific target organ toxicity - repeated exposure: no data.
Inhalation hazard: no data available.
Chronic effects: to our knowledge, the long-term effects of this product are not fully understood. May be harmful if absorbed through the skin. Prolonged repeated excessive inhalation may cause respiratory irritation.
Waste disposal
Product: treated by controlled incineration. The gas discharged from the incinerator shall be removed by the scrubber.
Contaminated containers and packaging: empty containers shall be returned to the manufacturer or disposed according to local regulations.
Disposal precautions: refer to national or local regulations before disposal.
Transportation information
UN hazard number: (UN number) 1993
United Nations Transport Name: 2-butanone oxime
United Nations hazard classification: category 3.3
Packing mark: flammable liquid
Packaging method: 190kg polyethylene drum or iron drum packaging, or other packaging types can be used according to user requirements.
Precautions for transportation: handle with care to avoid package damage.
 
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   

 

Quality standard

Item Technical index of extinguishant Technical index of refrigerant
Purity, %≥ 99.5 99.5
Moisture,mg/kg≤ 20 10
Acidity (as HF), mg/kg≤ 1 1
Residue on evaporation, %≤ 0.1 0.01
Suspended matter or precipitate Invisible Invisible
Chloride Qualified
Non-condensable gas in gaseous phase, % (v/v) 1.5
Odor

 

With a little ether odor
Category of dangerous cargo

 

2.2
Category of packing

 

 

The effect on the environment

1. Health hazards

Route of entry: Inhalation.

Health Hazards: Exposure can cause headache, nausea and vomiting, and has narcotic effects.

2. Toxicological information and environmental behavior

Toxicity: It is a low toxicity category.

Acute toxicity: rats inhaled 20% × 2 hours, survived; guinea pigs inhaled 50-80% (continuous inhalation in oxygenated environment), survived

Hazardous properties: Non-flammable. Heated decomposition of the highly toxic fumes.

Combustion (decomposition) products: hydrogen fluoride.

3. On-site emergency monitoring methods:

4. Laboratory monitoring methods:

5. Environmental standards:

The maximum allowable concentration of harmful substances in the air of the former Soviet Union workshop is 1000mg/m3


Emergency treatment and disposal methods

Emergency release treatment

Quickly evacuate the personnel from the leaked contaminated area to the upper wind, isolate them, and strictly restrict access. It is recommended that emergency responders wear self-contained positive pressure breathing apparatus and general work clothes. Cut off sources of leaks as much as possible. Reasonable ventilation, accelerate the diffusion. The leaking container should be properly handled, repaired and inspected before use.

Protective measures

Respiratory system protection: When the concentration of material in the air is high, it is recommended to wear a self-priming filter gas mask (half mask).

Body Protection: Wear general work clothes.

Hand Protection: Wear general work protective gloves.

Other: Avoid high concentration inhalation. Access to tanks, confined spaces or other high-concentration areas must be supervised.

first-aid

Inhalation: Quickly leave the scene to fresh air. Keep the airway open. If breathing is difficult, give oxygen. If breathing stops, give artificial respiration immediately. seek medical attention.

Extinguishing method: This product is not flammable. Cut off the air supply. Cool containers with water spray and move containers from fire to an open area if possible.

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