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
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Alliin(556-27-4)

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

Product Identification

Product Name
Alliin
Synonyms
(2R)-2-amino-3-[(S)-prop-2-enylsulfinyl]propanoic acid
3-(Allylsulfinyl)-L-alanine, (S)-
L-Alanine, 3-[(S)-2-propenylsulfinyl]-
S-Allyl-L-cysteine-(+)-sulfoxide
CAS
556-27-4
Formula
C6H11NO3S
Molecular Weight
177.22
EINECS
209-118-9
Merck
13,259
Beilstein/Gmelin
1724805

Physical and Chemical Properties

Appearance
White powder.
Solubility in water
25 g/L (25 C)
Melting Point
165
Boiling Point
416
Vapor Pressure
4.3E-8 (25 C)
Density
1.35 g/cm3 (20 C)
pKa/pKb
1.88 (pKa)
Partition Coefficient
-.48
Heat Of Vaporization
73.43 kJ/mol
Usage
Component of garlic.

First Aid Measures

Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage

Storage
Store at -20 C in a tightly closed container.

Hazards Identification

Ingestion
May be harmful if swallowed.
Inhalation
Material is irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
Skin
Causes skin irritation. May be harmful if absorbed through the skin.
Eyes
Causes irritation.
Hazards
Emits toxic fumes under fire conditions.
EC Risk Phrase
36/37/38
EC Safety Phrase
26

Exposure Controls/Personal Protection

Personal Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a dust mask type N95 (US) or type P1 (EN 143) respirator.

Fire Fighting Measures

Flash Point
205
Fire Fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides, Sulfur oxides.
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