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benzoxazole

roasted nitrogen compound

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 benzoxazole
2D Lewis Structure
Formula
C7H5NO
Molecular weight
119.12 g/mol
PubChem CID
9228 — full record on PubChem

Properties

Odor threshold — in a food matrix
119 ppb 1 published value · see all 1 with sources
Volatility
high
CAS number
273-53-0
Retention index
1050
Regulatory · United States

FEMA GRAS — Generally Recognized As Safe for flavoring use

? Partial match
FEMA number
4398
GRAS publication
GRAS 23
FEMA primary name
2-Methyl-4,5-benzoxazole

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 0.4 2
beverages (nonalcoholic) 0.2 1
breakfast cereal 0.2 1
cheese 0.4 2
condiments/ relishes 0.2 1
confectionery frostings 0.4 2
fats/oils 0.2 1
fish products 0.1 0.4
frozen dairy 0.4 2
fruit ices 0.4 2
gelatins/ puddings 1 5
gravies 1 5
imitation dairy 0.4 2
jams/jellies 1 5
meat products 0.1 0.4
milk products 0.4 2
other grains 0.2 1
poultry 0.1 0.4
processed fruits 0.3 1.5
seasonings/ flavors 0.2 1
snack foods 0.2 1
soups 0.2 1
sweet sauces 0.2 1
Source: FEMA GRAS publications 1-33.

Published thresholds

1 measured value from the literature. Grouped by what was actually measured — a threshold smelled in clean water, tasted in the mouth, or measured in a real food are three different quantities and are not pooled.

In a food matrix

119 ppb

Measured in a real food, where the matrix shifts detection — not a clean-water value.

Threshold Matrix Source Paper
119 ppb water (food: unknown) Literature corpus 39684087

Only values we can attribute are listed. Where a compendium's licence does not permit public attribution its figures are omitted here, so every number on this page traces to a citable source.

Found in

Measured impact first, then profile share

Every ingredient known to contain benzoxazole. 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 benzoxazole in it.

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