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HomeProduct name listAllyl mercaptan

Allyl mercaptan

Synonym(s):2-Propene-1-thiol;Allyl mercaptan

  • CAS NO.:870-23-5
  • Empirical Formula: C3H6S
  • Molecular Weight: 74.14
  • MDL number: MFCD00004894
  • EINECS: 212-792-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:15:32
Allyl mercaptan Structural

What is Allyl mercaptan?

Chemical properties

colourless to faintly yellow-brown liquid

Chemical properties

A colorless liquid with strong garlic odor. Used as a flavor enhancer, flavoring agent or adjuvant

Occurrence

Reported found in onion, garlic and caucas (Allium victoralis L.).

The Uses of Allyl mercaptan

Allyl Mercaptan is a synthetic flavoring agent that is a stable, color- less liquid of garlic-like odor. it should be stored in glass or tin con- tainers. it is used in artificial garlic flavors for application in condiments at 3 ppm, and in baked goods at 2 ppm. it is also termed 2 propylene-1 thiol.

The Uses of Allyl mercaptan

Allyl mercaptan is an important raw material and intermediate used in organic synthesis, pharmaceuticals agrochemicals and dyestuff fields.

Definition

ChEBI: 2-Propene-1-thiol is an alkanethiol.

Preparation

Produced from Ally] bromide and Potassium hydrosulfide.

Aroma threshold values

Detection: 0.005 ppb

Safety Profile

Poison by inhalation and ingestion. Strong irritant to skin and mucous membranes. When heated to decomposition it emits highly toxic fumes of SO,. Very dangerous fire hazard. To fight fire, use water mist or spray, alcohol foam, Con, or dry chemical. See also ALLYL COMPOUNDS and MERCAPTANS

Properties of Allyl mercaptan

Melting point: 175-176 °C(Solv: benzene (71-43-2))
Boiling point: 67-68 °C (lit.)
Density  0.898 g/mL at 25 °C (lit.)
refractive index  n20/D 1.4765(lit.)
FEMA  2035 | ALLYL MERCAPTAN
Flash point: 18 °C
storage temp.  -20°C
solubility  Not miscible or difficult to mix.
pka 9.83±0.10(Predicted)
form  Liquid
color  Clear colorless to light yellow
Odor at 0.10 % in propylene glycol. alliaceous sulfurous garlic onion roasted
Sensitive  Air Sensitive
JECFA Number 521
BRN  1697523
Stability: Stable, but highly flammable. Incompatible with strong bases, strong oxidizing agents, reactive metals.
CAS DataBase Reference 870-23-5(CAS DataBase Reference)
NIST Chemistry Reference Allyl mercaptan(870-23-5)
EPA Substance Registry System 2-Propene-1-thiol (870-23-5)

Safety information for Allyl mercaptan

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H225:Flammable liquids
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233:Keep container tightly closed.
P240:Ground/bond container and receiving equipment.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Allyl mercaptan

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