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Merck
CN

L110000

Acetonitrile

Synonym(s):

ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide

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About This Item

Linear Formula:
CH3CN
CAS Number:
75-05-8
Molecular Weight:
41.05
UNSPSC Code:
41116105
NACRES:
NA.03
PubChem Substance ID:
329817384
EC Number:
200-835-2
Beilstein/REAXYS Number:
741857
MDL number:
MFCD00001878
Vapor pressure:
72.8 mmHg ( 20 °C)

Key Documents

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Quality Level

200

vapor pressure

72.8 mmHg ( 20 °C)

type

for DNA synthesis

product line

Proligo Reagents

form

liquid

autoignition temp.

973 °F

storage condition

dry at room temperature

impurities

≤30 ppm water content (Karl Fischer)

color

clear

mp

−45 °C (lit.)

solubility

water: soluble (completely)

format

neat

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Other Notes

Wash solution, containing anhydrous acetonitrile (water content <30 ppm), is used as the overall wash solvent following each step in the synthesis cycle.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

35.6 °F - closed cup

flash_point_c

2.0 °C - closed cup

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
HMBJ8837
HMBH4967
HMBJ8324
HMBG9474V
HMBG0503V

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The tape stripping method is a very important tool for dermopharmacokinetic experiments in vitro and the accurate measurement of the removed corneocytes is key for a reliable calculation of a drug's skin penetration behavior. Therefore, various methods to quantify the

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