| Identification | More | [Name]
CYCLOPENTANETHIOL | [CAS]
1679-07-8 | [Synonyms]
CYCLOPENTANETHIOL
CYCLOPENTYL MERCAPTAN
FEMA 3262
MERCAPTOCYCLOPENTANE
cyclopentylthiol
mercaptancyclopentylique
CYCLOPENTANETHIOL 97+%
Cyclopentanthiol | [EINECS(EC#)]
216-841-3 | [Molecular Formula]
C5H10S | [MDL Number]
MFCD00001369 | [Molecular Weight]
102.2 | [MOL File]
1679-07-8.mol |
| Chemical Properties | Back Directory | [Melting point ]
-117.76°C | [Boiling point ]
129-131 °C/745 mmHg (lit.) | [density ]
0.955 g/mL at 25 °C(lit.)
| [vapor density ]
0.96 (vs air)
| [vapor pressure ]
1 mm Hg ( 20 °C)
| [FEMA ]
3262 | [refractive index ]
n20/D 1.4902(lit.)
| [Fp ]
77 °F
| [form ]
Liquid | [pka]
10.87±0.20(Predicted) | [color ]
Clear colorless to pale yellow | [Odor]
at 0.01 % in propylene glycol. alliaceous onion garlic horseradish vegetable celery eggy | [biological source]
synthetic | [Odor Type]
alliaceous | [Water Solubility ]
Slightly soluble in water; soluble in alcohol and oils. | [Sensitive ]
Air Sensitive | [JECFA Number]
516 | [BRN ]
2343861 | [LogP]
2.21 | [CAS DataBase Reference]
1679-07-8(CAS DataBase Reference) | [EPA Substance Registry System]
Cyclopentanethiol (1679-07-8) |
| Safety Data | Back Directory | [Risk Statements ]
R10:Flammable. | [Safety Statements ]
S16:Keep away from sources of ignition-No smoking .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) . | [RIDADR ]
UN 3336 3/PG 3
| [WGK Germany ]
3
| [RTECS ]
GY4701000
| [TSCA ]
Yes | [HazardClass ]
3 | [PackingGroup ]
III | [HS Code ]
29309090 | [Safety Profile]
A human poison. A
flammable liquid. When heated to
decomposition it emits toxic vapors of SOx |
| Raw materials And Preparation Products | Back Directory | [Raw materials]
Cyclopentanone-->Dimethyl disulfide-->Alkali Metals, plasma standard solution, Specpure, Ba,Be,Ca,Cs,K,Li,Mg,Na,Rb,Sr, 100μg/ml-->ethanethial-->ALUMINUM SILICATE |
| Hazard Information | Back Directory | [Description]
Cyclopentanethiol belongs to the class of organic compounds known as alkylthiols. These organic compounds contain the thiol functional group linked to an alkyl chain. Cyclopentanethiol is an alliaceous, celery, and citrus-tasting compound.
| [Chemical Properties]
Annual: <1.00 lb | [Chemical Properties]
Colorless liquid | [Uses]
Cyclopentanethiol has used as a food spice. It is a pharmaceutical intermediate. | [Definition]
ChEBI: Cyclopentanethiol is an alkanethiol. | [Preparation]
From cyclopentyl bromide and potassium hydrosulfide; by treating cycloalkanone dimethyl dithioacetals with four equivalents
of an alkaline metal; from cyclopentyl naphthyl sulfide and an aluminosilicate catalyst. | [Taste threshold values]
Taste characteristics at 2 ppm: alliaceous, onion, garlic, horseradish, meat, egg, burned, vegetable, celery. |
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