Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Methyl allyl trisulfide(34135-85-8)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
Methyl allyl trisulfide
Synonyms
1-Methyl-3-allyl trisulfide
3-Methylsulfanyldisulfanylprop-1-ene
Methyl 2-propenyl trisulfide
CAS
34135-85-8
Formula
C4H8S3
Molecular Weight
152.31
EINECS
251-843-8
Merck
12,6094

Physical and Chemical Properties

Appearance
Yellow liquid.
Solubility in water
Insoluble
Melting Point
<25
Boiling Point
213
Vapor Pressure
0.25 (25 C)
Density
1.16 g/cm3 (20 C)
Partition Coefficient
3.76
Heat Of Vaporization
43.1 kJ/mol
Vapor Density
5.2
Odor threshold
.0001
Refractive Index
1.589

First Aid Measures

Ingestion
DO NOT INDUCE VOMITING! NEVER MAKE AN UNCONSCIOUS PERSON VOMIT OR DRINK FLUIDS! Remove victim immediately from source of exposure. Provide rest, warmth and fresh air. Get medical attention.
Inhalation
Move the exposed person to fresh air at once. Get medical attention. NOTE! Keep affected person away from heat, sparks and flames!
Skin
Remove affected person from source of contamination. Remove contaminated clothing. Wash skin thoroughly with soap and water for several minutes. Get medical attention if any discomfort continues.
Eyes
Make sure to remove any contact lenses from the eyes before rinsing. Promptly wash eyes with plenty of water while lifting the eye lids. Continue to rinse for at least 15 minutes. Get medical attention promptly if symptoms occur after washing.

Handling and Storage

Storage
Keep away from heat, sparks and open flame. Keep containers tightly closed. Keep in original container. Flammable liquid storage.

Hazards Identification

Ingestion
May cause stomach pain or vomiting.
Inhalation
May cause irritation to the respiratory system.
Skin
Acts as a defatting agent on skin. May cause cracking of skin, and eczema.
Eyes
May cause severe irritation to eyes.
EC Risk Phrase
R: 10 36/37
EC Safety Phrase
S: 16 23 36/37/39
UN (DOT)
1993

Exposure Controls/Personal Protection

Personal Protection
Protective gloves, splash proof eye goggles and protective clothing.

Fire Fighting Measures

Flash Point
32
Fire Fighting
Extinguishing media: Foam. Dry chemicals, sand, dolomite etc. Carbon dioxide (CO2). DO NOT use water if avoidable. Avoid breathing fire vapours. Cool containers exposed to flames with water until well after the fire is out. Keep run-off water out of sewers and water sources. Dike for water control.

Accidental Release Measures

Small spills/leaks
Stop leak if possible without risk. Extinguish all ignition sources. Avoid sparks, flames, heat and smoking. Ventilate. Do not contaminate water sources or sewer. Absorb in vermiculite, dry sand or earth and place into containers. Wash thoroughly after dealing with a spillage.

Stability and Reactivity

Stability
Stable at normal temperatures and pessures.
Decomposition
Oxides of carbon and sulfur.

Transport Information

UN Number
1993
Hazard Class
3
Packing Group
II
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