Product Identification

Product Name

4-Phenyl-3-buten-2-one

Synonyms

(E)-4-Phenylbut-3-en-2-one
4-Phenylbutenone
Acetocinnamone
Benzalacetone
Methyl styryl ketone

CAS

122-57-6

Formula

C10H10O

Molecular Weight

146.19

EINECS

204-555-1

RTECS

EN0330000

RTECS Class

Drug; Primary Irritant

Merck

13,1139

Beilstein/Gmelin

742046

Beilstein Reference

2-07-00-00287

EC Class

sensitizing

Physical and Chemical Properties

Solubility in water

1.3 g/L (20 C)

Melting Point

38 - 41

Boiling Point

261

Vapor Pressure

39 (105 C)

Density

1.038 g/cm3 (20 C)

Partition Coefficient

2.24

Usage

Substance is used in as an aroma for perfumes, organic syntheses.

First Aid Measures

Ingestion

Seek medical assistance.

Inhalation

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.

Skin

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes.

Eyes

Immediately flush with running water for at least 20 minutes.

Hazards Identification

Inhalation

Inhalation of material may be harmful.

Skin

Contact may cause burns.

Eyes

See Skin.

Hazards

Containers may explode when heated.

EC Risk Phrase

R 36/37/38 42/43

EC Safety Phrase

S 22 26 36/37/39 45

UN (DOT)

3335

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

Respirators

Wear positive pressure self-contained breathing apparatus (SCBA).

Fire Fighting Measures

Flash Point

66

Fire Fighting

Small Fires: Dry chemical, carbon dioxide, water spray or regular foam. Large Fires: Water spray, fog or regular foam.

Fire Potential

May burn but does not ignite readily.

Accidental Release Measures

Small spills/leaks

Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent dust cloud. Avoid inhalation of asbestos dust.

Stability and Reactivity

Disposal Code

3

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

3335

HS Code

2914 39 00