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CAS RN: 513-86-0 | Product Number: H0225

Acetoin (May exist as crystalline dimer)

Purity: >98.0%(GC)
  • Acetylmethylcarbinol (May exist as crystalline dimer)
  • 3-Hydroxy-2-butanone (May exist as crystalline dimer)
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[Handling Notes] This product is dimer compound and physical state is solid; melting point 90ºC. When heat product over 90ºC under inert atmosphere, product becomes monomer and liquid; melting point 15ºC. If necessary, perform this heating treatment.

Product Number H0225
Purity / Analysis Method >98.0%(GC)
Molecular Formula / Molecular Weight C__4H__8O__2 = 88.11  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Light Sensitive,Air Sensitive
CAS RN 513-86-0
Related CAS RN 23147-57-1
Reaxys Registry Number 385636
PubChem Substance ID 87570654
SDBS (AIST Spectral DB) 498
Merck Index (14) 64
MDL Number


Appearance White to Light yellow powder to crystal
Purity(GC) min. 98.0 %
Properties (reference)
Boiling Point 144 °C
Flash point 46 °C
Solubility in water Completely soluble
Solubility (very soluble in) Alcohol
Solubility (slightly sol. in) Ether
Pictogram Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H226 : Flammable liquid and vapour.
Precautionary Statements P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
Related Laws:
EC Number 208-174-1
RTECS# EL8790000
Transport Information:
UN Number UN2621
Class 3
Packing Group III
HS Number 2914409000
Safety Data Sheet (SDS)
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