Acetoxime

  • Propanone oxime
  • Acetone, oxime
  • 2-Propanone oxime
  • Dimethyl ketoxime
  • N-Isopropylidenehydroxylamine
Formula
C3H7NO
Structure
Description
White solid. Similar to that of chloral hydrate odor.

Registry Numbers and Inventories.
CAS
127-06-0
EC (EINECS/ELINCS)
204-820-1
R 11 20/22
S 16 23 33 36/37
RTECS
AL6825000
RTECS class
Other
UN (DOT)
1325
Merck
13,77
Beilstein/Gmelin
1560146
Beilstein Reference
4-01-00-03202
Swiss Giftliste 1
G-9297
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C3H7NO
Formula mass
73.09
Melting point, °C
61
Boiling point, °C
135
Vapor pressure, mmHg
4.7 (25 C)
Density
1.045 g/cm3
Solubility in water
Very soluble
Refractive index
1.4118 (75 C)
pKa/pKb
12.42 (pKa)
Partition coefficient, pKow
0.12
Heat of vaporization
41.1 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Keep container closed when not in use.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.

Fire.
Flash Point,°C
45
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Health
2
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
   Ingestion
Harmful if swallowed. Ingestion of large amounts may cause gastrointestinal irritation.
   Inhalation
Harmful if inhaled. May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number
1325
Response guide