ICSC 1422 - ALLYL PROPYL DISULFIDE

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ALLYL PROPYL DISULFIDE	ICSC: 1422 (October 2001)
2-Propenyl propyl disulfide Onion oil

CAS #: 2179-59-1

UN #: 1993

EC Number: 218-550-7

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


	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Burning sensation. Cough. Chest tightness. Nausea. Vomiting.	Use 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. Watering of the eyes.	Wear 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 refer for medical attention.
Ingestion		Do not eat, drink, or smoke during work.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: chemical protection suit including self-contained breathing apparatus. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.	According to UN GHS Criteria Transportation UN Classification UN Hazard Class: 3; UN Pack Group: III
STORAGE
Separated from oxidants.
PACKAGING

ALLYL PROPYL DISULFIDE

ICSC: 1422

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance PALE YELLOW LIQUID WITH PUNGENT ODOUR. Physical dangers Chemical dangers Decomposes on burning. This produces sulfur oxides. Reacts with oxidants.	Formula: C₆H₁₂S₂ / CH₂=CHCH₂SSCH₂CH₂CH₃ Molecular mass: 148.3 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

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
PALE YELLOW LIQUID WITH PUNGENT ODOUR.

Physical dangers

Chemical dangers
Decomposes on burning. This produces sulfur oxides. Reacts with oxidants.

Formula: C₆H₁₂S₂ / CH₂=CHCH₂SSCH₂CH₂CH₃
Molecular mass: 148.3
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

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion. Effects of short-term exposure The substance is irritating to the eyes, skin and respiratory tract.	Inhalation risk A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20°C. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation and by ingestion.

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract.

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

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
TLV: 0.5 ppm as TWA; (SEN). MAK: 12 mg/m³, 2 ppm; peak limitation category: I(1)

ENVIRONMENT

NOTES

ADDITIONAL INFORMATION

EC Classification

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