494445
Aldrich

Acetonitrile

biotech. grade, ≥99.93%

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Synonym

ACN

Methyl cyanide

Molecular Formula

CH₃CN

Molecular Weight

41.05

CAS Number

75-05-8

Beilstein Registry Number

741857

MDL number

MFCD00001878

PubChem Substance ID

24872904

EG/EC Number

200-835-2

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Descriptions

Other Notes

Pure-Pac^® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

Packaging

1, 2 L in Sure/Seal™

18 L in Pure-Pac™ 1

200, 400 L in Pure-Pac™ 1

25 L in ss drum

25 L packaged in closed-head stainless steel drums; 18 L, 56 L, 200 L packaged in Pure-Pac^® stainless steel containers; 1 L, 2 L packaged in Sure/Seal^™

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co.

Pure-Pac is a registered trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co.

Properties

grade

biotech. grade

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

assay

≥99.93%

autoignition temp.

973 °F

expl. lim.

16 %

total impurities

≤0.5 ppb as quinine (fluorimetric, 254nm)

≤0.6 μeq/g Titr. base

≤8 μeq/g Titr. acid

<0.001% water

evapn. residue

<0.0002%

color

<10(APHA)

refractive index

n20/D 1.344(lit.)

81-82 °C(lit.)

−48 °C(lit.)

density

0.786 g/mL at 25 °C(lit.)

H₂O reference

UV absorption

λ: 190 nm A_max: 1.0

λ: 210 nm A_max: 0.03

λ: 220 nm A_max: 0.01

λ: 235-400 nm A_max: 0.005

References

Merck

Merck 13,71

Beilstein

Beil. 2,IV,419

Fieser

Fieser 2,13

reference

Aldrich MSDS 1, 13:C / Corp MSDS 1 (1), 22:A / FT-IR 2 (1), 1422:A / FT-IR 1 (1), 837:A / FT-NMR 1 (1), 1351:A / IR-Spectra (3), 1527:A / IR-Spectra (3), 500:A / IR-Spectra (2), 444:A / NMR-Reference 2 (1), 695:A / RegBook 1 (1), 987:A / Sax 6, 90 / Sigma FT-IR 1 (2), 233:C / Structure Index 1, 154:A:1 / Vapor Phase 3, 795:A

Safety

Hazard Codes

F,Xn

Risk Statements

11-20/21/22-36

Safety Statements

16-36/37

RIDADR

UN1648 3/PG 2

WGK Germany

RTECS

AL7700000

UEL

16.00%(V)

LEL

4.40%(V)

Flash Point(F)

35.6 °F

Flash Point(C)

2 °C