2-Propenyl propyl disulfide
Onion oil
C6H12S2 / CH2=CHCH2SSCH2CH2CH3
Molecular mass: 148.3
ICSC # 1422
CAS # 2179-59-1
RTECS # JO0350000
UN # 1993
Pi, Study (1st batch of chemical part)
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Foam,
dry powder,
carbon dioxide.
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Explosion
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Above 56°C explosive vapour/air mixtures may be formed.
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Above 56°C use a closed system, ventilation.
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Exposure
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•Inhalation
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Burning sensation.
Cough.
Chest tightness.
Nausea.
Vomiting.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
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•Skin
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Burning sensation.
Redness.
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Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
Pain.
Causes watering of the eyes.
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Safety goggles
or
eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Do not eat, drink, or smoke during work.
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Spillage Disposal
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Storage
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Packaging & Labelling
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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.
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Separated from
oxidants
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UN Hazard Class: 3
UN Packing Group: III
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Important Data
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Physical State; Appearance:
PALE YELLOW LIQUID
, WITH PUNGENT ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing sulfur oxides.
Reacts
with
oxidants
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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
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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:
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Physical
Properties
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Boiling point at 2.1kPa: 66-69°C
Melting point: -15°C
Relative density (water = 1): 0.9
Solubility in water: none
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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
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Environmental
Data
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N O T E S
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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.
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ADDITIONAL INFORMATION
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ICSC: 1422
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ALLYL PROPYL DISULFIDE
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(C) IPCS, CEC, 1994
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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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