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Key Documents

W292312

Sigma-Aldrich

Propionaldehyde

natural, ≥98%, FG

Synonym(s):

Propanal

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About This Item

Linear Formula:
CH3CH2CHO
CAS Number:
Molecular Weight:
58.08
FEMA Number:
2923
Beilstein:
506010
EC Number:
Council of Europe no.:
90
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
5.002
NACRES:
NA.21

grade

FG
Fragrance grade
Halal
Kosher
natural

Quality Level

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002

vapor density

2 (vs air)

vapor pressure

18.77 psi ( 55 °C)
4.89 psi ( 20 °C)

Assay

≥98%

autoignition temp.

404 °F

expl. lim.

17 %, 26 °F
2.6 %, 31 °F

refractive index

n20/D 1.362 (lit.)

bp

46-50 °C (lit.)

mp

−81 °C (lit.)

density

0.805 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

Organoleptic

chocolate; cocoa; nutty; whiskey; wine-like

storage temp.

2-8°C

SMILES string

[H]C(=O)CC

InChI

1S/C3H6O/c1-2-3-4/h3H,2H2,1H3

InChI key

NBBJYMSMWIIQGU-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-22.0 °F - closed cup

Flash Point(C)

-30 °C - closed cup


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Li Zhou et al.
The journal of physical chemistry. A, 121(23), 4464-4474 (2017-05-13)
Two different experimental methods (relative rate and absolute rate methods) were used to measure the rate coefficients for the reactions of NO

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