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Merck
CN

40519

Supelco

4-Picoline

analytical standard

Synonym(s):

4-Methylpyridine

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About This Item

Empirical Formula (Hill Notation):
C6H7N
CAS Number:
Molecular Weight:
93.13
Beilstein:
104586
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24
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grade

analytical standard

Quality Level

vapor density

3.2 (vs air)

vapor pressure

4 mmHg ( 20 °C)

Assay

≥98.0% (GC)

autoignition temp.

1000 °F

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

impurities

≤0.5% water

refractive index

n20/D 1.504 (lit.)
n20/D 1.504-1.508

bp

145 °C (lit.)

mp

2.4 °C (lit.)

density

0.957 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

SMILES string

Cc1ccncc1

InChI

1S/C6H7N/c1-6-2-4-7-5-3-6/h2-5H,1H3

InChI key

FKNQCJSGGFJEIZ-UHFFFAOYSA-N

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Pictograms

FlameSkull and crossbones

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

102.2 °F - closed cup

Flash Point(C)

39 °C - closed cup

Regulatory Information

危险化学品
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Stéphanie Romand et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 63, 14-21 (2014-07-06)
A capillary isoelectric focusing (cIEF) method was developed for the determination of the ionization constants (pKa) of small molecules. Two approaches used to decrease the electroosmotic flow (EOF) were compared: (i) a hydroxypropylcellulose (HPC) coated capillary in aqueous medium and

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