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NIOSH

ALLYL PROPYL DISULFIDE

ICSC: 1422

2-Propenyl propyl disulfide
Onion oil
C6H12S2 / CH2=CHCH2SSCH2CH2CH3
Molecular mass: 148.3
ICSC # 1422 		CAS # 2179-59-1
RTECS # JO0350000
UN # 1993
October 17, 2001 Validated
Pi, Study (1st batch of chemical part)

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Foam, dry powder, carbon dioxide.
EXPLOSION Above 56°C explosive vapour/air mixtures may be formed.
Above 56°C use a closed system, ventilation.

EXPOSURE


•INHALATION Burning sensation. Cough. Chest tightness. Nausea. Vomiting.
Ventilation, local exhaust, or breathing protection.
Fresh air, rest.
•SKIN Burning sensation. Redness.
Protective gloves.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
•EYES Redness. Pain. Causes watering of the eyes.
Safety goggles or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION
Do not eat, drink, or smoke during work.

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. Chemical protection suit including self-contained breathing apparatus.
Separated from oxidants .

UN Hazard Class: 3
UN Packing Group: III
ICSC: 1422 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.

ALLYL PROPYL DISULFIDE

ICSC: 1422

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
PALE YELLOW LIQUID , WITH PUNGENT ODOUR.

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance decomposes on burning producing sulfur oxides. Reacts with oxidants .

OCCUPATIONAL EXPOSURE LIMITS:
TLV: 0.5 ppm as TWA; SEN; (ACGIH 2008).
MAK: 2 ppm, 12 mg/m3
Peak limitation category: I(1);
(DFG 2008).
OSHA PEL†: TWA 2 ppm (12 mg/m3)
NIOSH REL: TWA 2 ppm (12 mg/m3) ST 3 ppm (18 mg/m3)
NIOSH IDLH: N.D. See: IDLH INDEX


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

INHALATION RISK:
A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is irritating to the eyes , the skin and the respiratory tract

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point at 2.1kPa: 66-69°C
Melting point: -15°C
Relative density (water = 1): 0.9
Solubility in water: none
Vapour pressure, Pa at 20°C: 50
Relative vapour density (air = 1): 5.1
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 56°C

ENVIRONMENTAL
DATA


N O T E S

Card has been partly updated in April 2005. See sections Occupational Exposure Limits, Emergency Response.
Transport Emergency Card: TEC (R)-30GF1-III
Card has been partially updated in February 2009: see Occupational Exposure Limits.

ADDITIONAL INFORMATION



ICSC: 1422 ALLYL PROPYL DISULFIDE
(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.
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