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Q2001

Sigma-Aldrich

Quinoline

~98%, liquid

Synonym(s):

1-Benzazine, 2,3-Benzopyridine

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About This Item

Empirical Formula (Hill Notation):
C9H7N
CAS Number:
91-22-5
Molecular Weight:
129.16
Beilstein:
107477
EC Number:
202-051-6
MDL number:
MFCD00006736
UNSPSC Code:
12352103

vapor density

4.5 (vs air)

vapor pressure

0.07 mmHg ( 20 °C)

Assay

~98%

form

liquid

autoignition temp.

896 °F

color

clear brown

refractive index

n20/D 1.625 (lit.)

bp

113-114 °C/11 mmHg (lit.)
237 °C (lit.)

mp

−17-−13 °C (lit.)

density

1.093 g/mL at 25 °C (lit.)

SMILES string

c1ccc2ncccc2c1

InChI

1S/C9H7N/c1-2-6-9-8(4-1)5-3-7-10-9/h1-7H

InChI key

SMWDFEZZVXVKRB-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Chronic 2 - Carc. 1B - Eye Irrit. 2 - Muta. 2 - Skin Irrit. 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

213.8 °F - closed cup

Flash Point(C)

101 °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.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificates of Analysis (COA)

Lot/Batch Number
068K1123
058K1140
097K2601
047K2666
096K2615

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Jin Hoon Kim et al.
Dalton transactions (Cambridge, England : 2003), 42(15), 5500-5507 (2013-02-22)
Zinc sensors based on 2,3-dipicolylamine (DPA) and quinoline have been synthesized. They fluoresced in the presence of Zn(2+) and remained fluorescent when other metal ions were present. Fluorescence enhancement of the sensors was not seen for most other metal ions.
Fang-Fang Wang et al.
Organic & biomolecular chemistry, 10(43), 8605-8608 (2012-10-09)
A practical Brønsted acid promoted benzylic C-H functionalization of 2-methylazaarenes and nucleophilic addition to aldehydes was developed in good to excellent yields. A six-membered hydrogen-bonding transition state is proposed to be crucial for the reaction. Ready availability of the two
Narendra Reddy Chereddy et al.
Dalton transactions (Cambridge, England : 2003), 41(38), 11753-11759 (2012-08-21)
Two new rhodamine based probes 1 and 2 for the detection of Fe(3+) were synthesized and their selectivity towards Fe(3+) ions in the presence of other competitive metal ions tested. The probe 1 formed a coloured complex with Fe(3+) as
Margarita A Gonzalez et al.
Inorganic chemistry, 51(21), 11930-11940 (2012-10-24)
The unusual role of CO as a signaling molecule in several physiological pathways has spurred research in the area of synthesizing new CO-releasing molecules (CORMs) as exogenous CO donors. Auxiliary control on CO delivery can be achieved if CO can
Yoshiaki Yasutake et al.
FEBS letters, 588(1), 105-110 (2013-11-26)
The cytochrome P450 RauA from Rhodococcus erythropolis JCM 6824 catalyzes the hydroxylation of a nitrogen atom in the quinolone ring of aurachin, thereby conferring strong antibiotic activity on the aurachin alkaloid. Here, we report the crystal structure of RauA in
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