| 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 | [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 | [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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