- Ethyl methyl ketone oxime
- Ethyl methyl ketoxime
- Methyl ethyl ketoxime
- Aron M 1
- Exkin 2
Colorless to light yellow liquid.
Registry Numbers and Inventories.
EC Index Number
Carcinogenic Category 3; Harmful; Irritant; Sensitising
R 21 40 41 43
S 13 23 26 36/37/39
Tumorigen; Mutagen; Primary Irritant
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
Vapor density (air=1)
3553 ppm (0.3%) at 20 C (calculated)
0.9232 g/cm3 (20 C)
Solubility in water
1.4410 (20 C)
Hazards and Protection.
Store in a cool, dry place. Keep container closed when not in use.
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Wear appropriate safety goggles, protective clothing and gloves.
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Clean up spills immediately, using the appropriate protective equipment.
Stable under normal temperatures and pressures.
Sensitive to heat Reacts with oxidizing agents Mixtures with strong acids may explode Reacts with sulfuric acid to form an explosive product.
Irritating and toxic fumes and gases.
Upper exp. limit, %
Lower exp. limit, %
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. A water spray may also be used.
This chemical is combustible.
During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Fire may produce irritating, corrosive and/or toxic gases.
The toxological properties of this substance have not been fully investigated.
Vapors may cause dizziness or suffocation. May cause irritation or burns.
May cause sensitization by skin contact.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.
I; II; III
2928 00 90