L110000
Acetonitrile
Synonym(s):
Methyl cyanide, Anhydrous ACN, Dry MeCN
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About This Item
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
UNSPSC Code:
41116105
NACRES:
NA.03
PubChem Substance ID:
EC Number:
200-835-2
Beilstein/REAXYS Number:
741857
MDL number:
Bp:
81-82 °C (lit.)
Vapor pressure:
72.8 mmHg ( 20 °C)
Quality Segment
vapor density
1.41 (vs air)
vapor pressure
72.8 mmHg ( 20 °C)
type
for DNA synthesis
product line
Proligo Reagents
form
liquid
autoignition temp.
973 °F
expl. lim.
16 %
storage condition
dry at room temperature
impurities
≤30 ppm water content (Karl Fischer)
color
clear
refractive index
n20/D 1.344 (lit.)
bp
81-82 °C (lit.)
mp
−45 °C (lit.)
solubility
water: soluble (completely)
density
0.786 g/mL at 25 °C (lit.)
format
neat
SMILES string
CC#N
InChI
1S/C2H3N/c1-2-3/h1H3
InChI key
WEVYAHXRMPXWCK-UHFFFAOYSA-N
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.
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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
flash_point_f
35.6 °F - closed cup
flash_point_c
2.0 °C - closed cup
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