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411027

Sigma-Aldrich

Piperidine

≥99.5%, purified by redistillation

Synonym(s):

Hexahydropyridine

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About This Item

Empirical Formula (Hill Notation):
C5H11N
CAS Number:
110-89-4
Molecular Weight:
85.15
Beilstein:
102438
EC Number:
203-813-0
MDL number:
MFCD00005979
UNSPSC Code:
12352005
PubChem Substance ID:
24865722
NACRES:
NA.22

vapor density

3 (vs air)

vapor pressure

23 mmHg ( 20 °C)

Assay

≥99.5%

form

liquid

purified by

redistillation

refractive index

n20/D 1.452 (lit.)

bp

106 °C (lit.)

mp

−13 °C (lit.)

density

0.862 g/mL at 20 °C (lit.)

SMILES string

C1CCNCC1

InChI

1S/C5H11N/c1-2-4-6-5-3-1/h6H,1-5H2

InChI key

NQRYJNQNLNOLGT-UHFFFAOYSA-N

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Application

Piperidine may be used as a base for the oxidative homocoupling of terminal alkynes to form symmetrical 1,4-disubstituted 1,3-diynes in the presence of copper nanoparticle on polyaniline support catalyst. It may also be used for cleaving the Fmoc-group in Nα-9-fluorenylmethyloxycarbonyl (Fmoc) amino acids.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

60.8 °F - closed cup

Flash Point(C)

16 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water soluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

411027-BULK:
411027-1L:
411027-100ML:
411027-VAR:

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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Solid?phase peptide synthesis using mild base cleavage of N?-fluorenylmethyloxycarbonylamino acids, exemplified by a synthesis of dihydrosomatostatin.
Chang CD
Chemical Biology & Drug Design, 11(3), 246-249 (1978)
Polymer-Supported Cu?Nanoparticle as an Efficient and Recyclable Catalyst for Oxidative Homocoupling of Terminal Alkynes.
Aziz ST
Catalysis Letters, 148(1), 205-213 (2018)
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