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2-pentenoic acid

sour acid

Found in 4 ingredients across the CompKitchen flavor graph.

Look up another compound — search by name, CAS number, PubChem CID, or FEMA #.

2D Lewis structure of 2-pentenoic acid
2D Lewis Structure
Formula
C5H8O2
Molecular weight
100.12 g/mol
PubChem CID
12299 — full record on PubChem

Properties

Odor description
pungent fatty
Volatility
high
CAS number
626-98-2
Regulatory · United States

FEMA GRAS — Generally Recognized As Safe for flavoring use

✓ Exact match
FEMA number
4193
GRAS publication
GRAS 22
FEMA primary name
2-Pentenoic acid

Reported use levels (ppm by food category)

Typical vs maximum reported addition levels in finished food. Use as a regulatory ceiling reference — verify against the current GRAS publication for your product category.

Food category Typical (ppm) Maximum (ppm)
baked goods 10 50
breakfast cereal 5 25
cheese 3 15
confectionery frostings 10 50
fats/oils 2 10
fish products 2 10
frozen dairy 3 15
fruit ices 3 15
gravies 15 75
hard candy 10 50
meat products 2 10
milk products 3 15
other grains 5 25
poultry 2 10
processed fruits 2 10
seasonings/ flavors 5 25
soft candy 10 50
soups 5 25
sweet sauces 5 25
Source: FEMA GRAS publications 1-33.

Found in

Measured impact first, then profile share

Every ingredient known to contain 2-pentenoic acid. Ingredients with a measured concentration come first, ranked by odour activity; the rest follow by how large a share of that ingredient's profile this molecule is. The figure beside each is how many different compounds that ingredient has in total — not the concentration of 2-pentenoic acid in it.

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