418102
Aldrich

Butyraldehyde

purified by redistillation, ≥99.5%

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Synonym

Butanal

Molecular Formula

CH₃CH₂CH₂CHO

Molecular Weight

72.11

CAS Number

123-72-8

Beilstein Registry Number

506061

MDL number

MFCD00007023

PubChem Substance ID

24866205

EG/EC Number

204-646-6

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Descriptions

Packaging

100, 800 mL in Sure/Seal™

Properties

vapor density

2.5 (vs air)

vapor pressure

90 mmHg ( 20 °C)

assay

≥99.5%

autoignition temp.

390 °F

purified by

redistillation

expl. lim.

12.5 %

refractive index

n20/D 1.380(lit.)

75 °C(lit.)

−96 °C(lit.)

density

0.8 g/mL at 25 °C(lit.)

References

Merck

Merck 13,1591

Beilstein

Beil. 1,IV,3229

reference

Aldrich MSDS 1, 335:D / Arctander, 547 / Corp MSDS 1 (1), 654:A / FT-IR 2 (1), 731:B / FT-IR 1 (1), 466:A / FT-NMR 1 (1), 727:C / Fenaroli, 221 / IR-Spectra (3), 276:D / IR-Spectra (2), 248:D / NMR-Reference 2 (1), 357:D / RegBook 47 (1), 509:F / RegBook 1 (1), 509:F / Sax 6, 605 / Structure Index 1, 73:B:2 / Vapor Phase 3, 552:A

Safety

Hazard Codes

Risk Statements

Safety Statements

9-29-33

RIDADR

UN 1129 3/PG 2

WGK Germany

RTECS

ES2275000

UEL

11.80%