Flavoring Agent · CAS 103-48-0

Phenethyl Isobutyrate

FDA status: Approved. EU: not separately listed. No U.S. state has enacted a specific ban yet.

Low Risk
Score 4 of 5
Phenethyl Isobutyrate: 4/5 (Low Risk)

According to the U.S. Food and Drug Administration, Phenethyl Isobutyrate is FDA-approved, and no U.S. state has moved to restrict it independently of federal policy.

Browse all Flavoring Agent additives →

The verdict

Phenethyl Isobutyrate is FDA-approved, and no U.S. state has moved to restrict it.

4/5
Low Risk
Approved
FDA status
-
EU status
0
state regulations

Phenethyl Isobutyrate: the CAS-identified regulatory record

Phenethyl Isobutyrate: no OFF product match; CAS 103-48-0 is the lead registry handle on this row.

Property Value Source
CAS Number 103-48-0 CAS Registry
FDA Status Approved FDA SAFFA
EU Status Not separately listed EC 1333/2008
E-Number - EU additive register
Category Flavoring Agent FDA functional class
Composite Safety Score 4 / 5 (Low Risk) PlainIngredients methodology
EFSA ADI Not in our EFSA data EFSA scientific opinion
U.S. State Actions 0 states State legislative records
Tracked Products Not yet tracked Open Food Facts (US)

Values reflect official agency classifications as published by the U.S. Food and Drug Administration and the European Union's regulatory framework. See our methodology for scoring details.

What is Phenethyl Isobutyrate?

Phenethyl Isobutyrate (CAS 103-48-0) is an FDA-regulated food substance used as flavoring agent or adjuvant.

Common Uses

flavoring agent or adjuvant

Catalog-profile peer axes

How Phenethyl Isobutyrate compares to its catalog-profile peers nationwide

Product-count (0) and safety-score (4/5) peer columns, disjoint link sets.

Score 4/5 peers (≥50 OFF products)

Nearest other additives by PlainIngredients safety score (floored at ≥50 tracked products), distinct from the count row.

8 peers

Frequently Asked Questions

Is Phenethyl Isobutyrate safe to consume?

Phenethyl Isobutyrate scores 4/5 (Low Risk). FDA status is Approved. No OFF product match yet; the distinctive registry handle is CAS 103-48-0, so this page leads with the chemical identity row rather than a shelf-prevalence claim.