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W352101

Sigma-Aldrich

Propyl mercaptan

≥97%

Synonym(s):

1-Propanethiol, n-Propylmercaptan, Mercaptan C3

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About This Item

Linear Formula:
CH3CH2CH2SH
CAS Number:
107-03-9
Molecular Weight:
76.16
FEMA Number:
3521
Beilstein/REAXYS Number:
1696860
EC Number:
203-455-5
Council of Europe no.:
11816
MDL number:
MFCD00004900
UNSPSC Code:
12164502
PubChem Substance ID:
24901758
Flavis number:
12.071
NACRES:
NA.21

biological source

synthetic

Quality Level

400

grade

Halal
Kosher

agency

meets purity specifications of JECFA

reg. compliance

FDA 21 CFR 172.515

vapor density

2.54 (vs air)

vapor pressure

122 mmHg ( 20 °C)

assay

≥97%

refractive index

n20/D 1.426 (lit.)

bp

67-68 °C (lit.)

mp

−113 °C (lit.)

density

0.820 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

onion; alliaceous

SMILES string

CCCS

InChI

1S/C3H8S/c1-2-3-4/h4H,2-3H2,1H3

InChI key

SUVIGLJNEAMWEG-UHFFFAOYSA-N

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General description

Propyl mercaptan is a volatile sulfur compound that is reported to occur in onion, potato and wine.

Disclaimer

For R&D or non-EU Food use. Not for retail sale.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 2 - Skin Sens. 1B

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

-4.0 °F - closed cup

flash_point_c

-20 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Food flavors and odors, volatile sulfur compounds in potatoes.
Gumbmann MR & Burr HK.
Journal of Agricultural and Food Chemistry, 12(5), 404-408 (1964)
Estimation of volatile sulphur compounds in beer.
Walker MD
Journal of the Institute of Brewing, 98(4), 283-287 (1992)
An improved gas chromatographic method for the detection and quantitation of mercaptans in blood.
H A Mardini et al.
Clinica chimica acta; international journal of clinical chemistry, 113(1), 35-41 (1981-06-02)
E Meschkat et al.
Chemical research in toxicology, 14(1), 110-117 (2001-02-15)
The potent skin sensitizers hex-1-ene- and hexane-1,3-sultone have been synthesized isotopically labeled with (13)C at reactive sites. The reactivity of 2-[(13)C]- and 3-[(13)C]hex-1-ene-1,3-sultones and of 3-[(13)C]hexane-1,3-sultone toward a series of model nucleophiles for protein amino acid residues, i.e., butylamine, diethylamine
Saiful M Chowdhury et al.
Rapid communications in mass spectrometry : RCM, 19(7), 899-909 (2005-03-02)
A new chemical strategy for phosphopeptide profiling is reported in this study. Phosphorylation represents one of the most important classes of posttranslational modifications of proteins. Here we report a generalized strategy that employs solid-phase capture and mass-encoding steps to selectively
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