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Safety Data Sheet EN

METHYL ETHYL KETOXIME

CAS 96-29-7
EC 202-496-6

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
METHYL ETHYL KETOXIME
Product Code
M3510190, M3410190, M4410190, M4510190, M1510001B, M1510190, M1510900, M1510950, M5550190, M5550950, M3410001B, M3410900
Synonyms
MEKO, 2-BUTANONE OXIME, ETHYL METHYL KETOXIME, BUTANONE OXIME

Regulatory Identifiers

CAS Number
96-29-7 Check regulations →
EC Number
202-496-6 Check regulations →
REACH No.
01-2119539477-28-XXXX

Identified Uses

Polymer preparations and compounds Intermediate. Coatings, paints, thinners and paint removers.

Manufacturers & Suppliers

O

OQEMA London Limited

distributor

Neptune House, 2a Alexandra Grove, North Finchley, N12 8NU

+44 (0) 208 346 5946

Emergency Contacts

Emergency Contact

+44 (0)1270 502891

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Not Classified
Acute Tox. Cat. 3 H301
Acute Tox. Cat. 4 H312
Skin Irrit. Cat. 2 H315
Eye Dam. Cat. 1 H318
Skin Sens. Cat. 1B H317
Carc. Cat. 1B H350
STOT SE Cat. 1 H370
STOT SE Cat. 3 H336
STOT RE Cat. 2 H373
Not Classified

GHS Pictograms

GHS05 - Corrosive

GHS05

GHS06 - Acute toxicity

GHS06

GHS08 - Serious health hazard

GHS08

Hazard Statements

H301 Toxic if swallowed.
H312 Harmful in contact with skin.
H315 Causes skin irritation.
H317 May cause an allergic skin reaction.
H318 Causes serious eye damage.
H336 May cause drowsiness or dizziness.
H350 May cause cancer.
H370 Causes damage to organs (Respiratory tract).
H373 May cause damage to organs (Blood) through prolonged or repeated exposure.

Precautionary Statements

P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P260 Do not breathe vapour/ spray.
P261 Avoid breathing vapour/ spray.
P264 Wash contaminated skin thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor.
P302 + P352 IF ON SKIN: Wash with plenty of water.
P304 + P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P311 IF exposed or concerned: Call a POISON CENTER or doctor.
P308 + P313 IF exposed or concerned: Get medical advice/ attention.
P312 Call a POISON CENTRE/doctor if you feel unwell.
P314 Get medical advice/ attention if you feel unwell.
P321 Specific treatment (see medical advice on this label).
P330 Rinse mouth.
P332 + P313 If skin irritation occurs: Get medical advice/ attention.
P333 + P313 If skin irritation or rash occurs: Get medical advice/ attention.
P362 + P364 Take off contaminated clothing and wash it before reuse.
P403 + P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/ container in accordance with national regulations.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance
Chemical Name CAS Number Concentration Hazardous
METHYL ETHYL KETOXIME EC: 202-496-6 96-29-7 99.89% No

Notes

99.89% (w/w)

04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

Move affected person to fresh air at once. Get medical attention. Place unconscious person on their side in the recovery position and ensure breathing can take place. For breathing difficulties, oxygen may be necessary.

Symptoms: Corrosive to the respiratory tract. Coughing, chest tightness, feeling of chest pressure. Vapours may cause headache, fatigue, dizziness and nausea.

Skin contact

Remove affected person from source of contamination. Remove contaminated clothing immediately and wash skin with soap and water. Get medical attention immediately.

Symptoms: Harmful in contact with skin. Burning pain and severe corrosive skin damage. Product has a defatting effect on skin. May cause an allergic skin reaction.

Eye contact

Remove affected person from source of contamination. Remove any contact lenses and open eyelids wide apart. Continue to rinse for at least 15 minutes. Get medical attention immediately.

Symptoms: Causes serious eye damage. Severe irritation, burning and tearing.

Ingestion

Rinse mouth thoroughly with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Get medical attention immediately.

Symptoms: Toxic if swallowed. Stomach pain. Nausea, vomiting. Diarrhoea.

Immediate Medical Attention

Get medical attention immediately for inhalation, ingestion, skin contact, and eye contact.

Medical Treatment

Treat symptomatically.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Foam, carbon dioxide or dry powder. Water spray.

Unsuitable media

Do not use water jet as an extinguisher, as this will spread the fire.

Specific hazards

Containers can burst violently or explode when heated, due to excessive pressure build-up.

Instructions

Move containers from fire area if it can be done without risk. Keep upwind to avoid inhalation of gases, vapours, fumes and smoke.

Firefighter Protection

Wear positive-pressure self-contained breathing apparatus (SCBA) and appropriate protective clothing.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

May cause sensitisation or allergic reactions in sensitive individuals. Wear protective clothing as described in Section 8 of this safety data sheet. Evacuate area. Eliminate all sources of ignition. No smoking, sparks, flames or other sources of ignition near spillage. Provide adequate ventilation. Use suitable respiratory protection if ventilation is inadequate. Avoid contact with skin and eyes. Avoid inhalation of vapours.

Environmental

Do not discharge into drains or watercourses or onto the ground.

Cleanup methods

Absorb spillage with sand or other inert absorbent. Collect and place in suitable waste disposal containers and seal securely. Label the containers containing waste and contaminated materials and remove from the area as soon as possible.

Materials: sand or other inert absorbent

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Wear protective clothing as described in Section 8 of this safety data sheet. Do not handle until all safety precautions have been read and understood. Persons susceptible to allergic reactions should not handle this product. Avoid contact with skin and eyes. Wear suitable protective equipment for prolonged exposure and/or high concentrations of vapours, spray or mist. Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Take precautionary measures against static discharges.

Storage

Store in tightly-closed, original container in a dry, cool and well-ventilated place. Keep locked up and out of the reach of children. Keep away from food, drink and animal feeding stuffs. Do not store near heat sources or expose to high temperatures. Protect from freezing and direct sunlight.

Hygiene

Good personal hygiene procedures should be implemented. Do not eat, drink or smoke when using this product. Take off contaminated clothing and wash it before reuse. Remove contaminated clothing and protective equipment before entering eating areas. Wash at the end of each work shift and before eating, smoking and using the toilet.

Fire prevention

Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Take precautionary measures against static discharges.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Provide adequate general and local exhaust ventilation.

Hands

To protect hands from chemicals, gloves should comply with European standard EN374 It is recommended that gloves are made of the following material: Butyl rubber. The selected gloves should have a breakthrough time of at least 8 hours. Protective gloves should have a minimum thickness of 0.5 mm. The breakthrough time for any glove material may be different for different glove manufacturers. The most suitable glove should be chosen in consultation with the glove supplier/manufacturer, who can provide information about the breakthrough time of the glove material. Gloves should be discarded and replaced if there is any indication of degradation or chemical breakthrough.

Eyes

Personal protective equipment for eye and face protection should comply with European standard EN166 Unless the assessment indicates a higher degree of protection is required, the following protection should be worn: Tight-fitting safety glasses.

Respiratory

If ventilation is inadequate, suitable respiratory protection must be worn. Wear a respirator fitted with the following cartridge: Particulate filter, type P3.

Skin/Body

Wear chemical protective suit.

Environmental

Do not release into the environment.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Physical State
Liquid.
Physical State Data
liquid
State Under Standard Conditions
---
Appearance
Liquid.
Colour
Yellow.
Colour Intensity
---
Form
---
Odor
Characteristic.
Odor Threshold
---
Ph
pH (diluted solution): 6.5 114 g/l aq. sol.
Melting Point
-29.5°C
Boiling Point
>152°C
Flash Point
62°C/140°F
Freezing Point
---
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
---
Evaporation Rate
---
Vapor Pressure
3.5 hPa @ 20°C
Vapor Density
---
Relative Density
0.92 @ 20°C
Bulk Density
---
Density
---
Flammability
---
Upper Explosive Limit
12.3 % (V)
Lower Explosive Limit
1.9 % (V)
Explosive Limits
---
Auto Ignition Temperature
315°C/599°F
Decomposition Temperature
>150°C
Solubility
---
Partition Coefficient
log Pow: 0.63
Solubility In Water
114 mg/l water @ 20°C
Solubility In Fat
---
Molecular Weight
87.12 g/mol
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
15 mPa s @ 20°C
Kinematic Viscosity
---
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Stable at normal ambient temperatures and when used as recommended.

Reactivity

There are no known reactivity hazards associated with this product.

Hazardous reactions

Does not decompose when used and stored as recommended.

Avoid

Avoid exposure to high temperatures or direct sunlight. Avoid heat, flames and other sources of ignition.

Incompatible

Oxidising materials. Strong acids. Strong alkalis.

Decomposition

Oxides of carbon. Oxides of nitrogen.

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

The data for this section has not been processed yet.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
2810
Shipping Name
TOXIC LIQUID, ORGANIC, N.O.S. (2-butanone oxime)
Transport Class
6.1
Packing Group
III
15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

The data for this section has not been processed yet.

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Frequently Asked Questions

Common questions about safety, handling, and properties

What other names is METHYL ETHYL KETOXIME known by?

METHYL ETHYL KETOXIME is also known as: MEKO, 2-BUTANONE OXIME, ETHYL METHYL KETOXIME, BUTANONE OXIME

What is the hazard signal word for METHYL ETHYL KETOXIME?

The signal word is danger.

What is the physical form of METHYL ETHYL KETOXIME?

METHYL ETHYL KETOXIME is a liquid. appearing as liquid. with yellow. color. It has characteristic. odor.

What is METHYL ETHYL KETOXIME used for?

Polymer preparations and compounds Intermediate. Coatings, paints, thinners and paint removers.

What are the hazard statements for METHYL ETHYL KETOXIME?

This substance has 9 hazard statements:

  • H301: Toxic if swallowed.
  • H312: Harmful in contact with skin.
  • H315: Causes skin irritation.
  • H317: May cause an allergic skin reaction.
  • H318: Causes serious eye damage.
  • H336: May cause drowsiness or dizziness.
  • H350: May cause cancer.
  • H370: Causes damage to organs (Respiratory tract).
  • H373: May cause damage to organs (Blood) through prolonged or repeated exposure.

What is the melting point of METHYL ETHYL KETOXIME?

The melting point is -29.5°C and the boiling point is >152°C.