butan-2-one brief introduction

2-butanone is an eye irritant that has been used as a water-soluble photoinitiator for the photopolymerization of methyl methacrylate (MAA).

butan-2-one Basic information

butan-2-one Numbering system

butan-2-one Physical and Chemical Properties

• Appearance and characteristics:

• Colorless liquid with a smell similar to acetone.

• Density:

• 0.806

• Boiling point:

• 80 °C(lit.)

• Melting point:

• -87 °C

• Flash point:

• 26 °F

• Refractive index:

• n20/D 1.379(lit.)

• Water solubility:

• 290 g/L (20 ºC)

• Stability:

• Stable. Highly flammable. Incompatible with oxidizing agents, bases, strong reducing agents. Protect from moisture.

• Storage conditions:

• 2-8°C

• Steam density:

• 2.49 (vs air)

• Steam pressure:

• 71 mm Hg ( 20 °C)

security information

• RTECS：

• EL6475000

• Safety instructions:

• S9; S16; S45; S36/37

• WGK Germany：

• 1

• Hazard category code:

• R11; R36; R66; R67; R39/23/24/25

• Dangerous goods transportation code:

• UN 1193 3/PG 2

• Customs code:

• 2914120000

• Hazard category:

• 3

• Packaging grade:

• II

• Dangerous goods signs:

• F; Xi; T

• Hazard prevention instructions:

• P210; P305 + P351 + P338; P370 + P378; P403 + P235

• Signal words:

• Danger

• Hazard description:

• H225; H319; H336

• Danger signs:

• GHS02, GHS07

• Supplementary Hazard Statement:

• Repeated exposure may cause dryness or cracking of the skin.