Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content
NIOSH

ACETOPHENONE

ICSC: 1156

1-Phenylethanone
Phenyl methyl ketone
Acetylbenzene
C8H8O / C6H5COCH3
Molecular mass: 120.1
ICSC # 1156 		CAS # 98-86-2
RTECS # AM5250000
EC # 606-042-00-1
October 24, 1994 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible.
NO open flames.
Alcohol-resistant foam, powder, carbon dioxide.
EXPLOSION Above 82°C explosive vapour/air mixtures may be formed.
Above 82°C use a closed system, ventilation.

EXPOSURE
PREVENT GENERATION OF MISTS!

•INHALATION Headache. Dizziness. Drowsiness.
Ventilation, local exhaust, or breathing protection.
Fresh air, rest. Refer for medical attention.
•SKIN Dry skin.
Protective gloves.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
•EYES Redness. Pain.
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Nausea. (Further see Inhalation).
Do not eat, drink, or smoke during work.
Rinse mouth. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place. (Extra personal protection: A/P2 filter respirator for organic vapour and harmful dust).
Separated from strong oxidants. Ventilation along the floor.

Xn symbol
R: 22-36
S: 2-26
ICSC: 1156 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

ACETOPHENONE

ICSC: 1156

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
COLOURLESS LIQUID OR WHITE CRYSTALS , WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:


CHEMICAL DANGERS:


OCCUPATIONAL EXPOSURE LIMITS:
TLV: 10 ppm; 49 mg/m3 (ACGIH 1993-1994).


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation, through the skin and by ingestion.

INHALATION RISK:
A harmful contamination of the air will be reached rather slowly on evaporation of this substance at 20°C; on spraying or dispersing, however, much faster.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance irritates the eyes. The substance may cause effects on the central nervous system. Exposure at high level may result in unconsciousness.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The liquid defats the skin.

PHYSICAL
PROPERTIES

Boiling point: 202°C
Melting point: 20°C
Relative density (water = 1): 1.03
Solubility in water: poor
Vapour pressure, kPa at 15°C: 0.133
Relative vapour density (air = 1): 4.1
Relative density of the vapour/air-mixture at 20°C (air = 1): 1
Flash point: 82°C o.c.
Auto-ignition temperature: 571°C
Octanol/water partition coefficient as log Pow: 1.58

ENVIRONMENTAL
DATA


N O T E S

Use of alcoholic beverages enhances the harmful effect. Hypnone is a trade name.
NFPA Code: H1; F2; R0

ADDITIONAL INFORMATION



ICSC: 1156 ACETOPHENONE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
Top