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Merck
CN

40519

4-Picoline

analytical standard

Synonym(s):

4-Methylpyridine

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About This Item

Empirical Formula (Hill Notation):
C6H7N
CAS Number:
108-89-4
Molecular Weight:
93.13
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
329755997
EC Number:
203-626-4
Beilstein/REAXYS Number:
104586
MDL number:
MFCD00006440

Key Documents

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InChI key

FKNQCJSGGFJEIZ-UHFFFAOYSA-N

InChI

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

SMILES string

Cc1ccncc1

grade

analytical standard

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

Quality Level

100

refractive index

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

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
GHS02,GHS06

signalword

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

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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Certificates of Analysis (COA)

Lot/Batch Number
BCBW9870
BCBQ9877V

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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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