(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid

Independent reference data for (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid (CAS 25619-78-7), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Non-essential amino acid; Used in biochemical research; [Merck Index] Used as a flavoring agent and nutritional supplement; [FDA]NUTRIENT &/OR DIETARY SUPPLEMENT

Synonyms and trade names

L-tyrosine; tyrosine; 60-18-4; (S)-Tyrosine; (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid; p-Tyrosine; L-p-Tyrosine; 4-Hydroxy-L-phenylalanine; tirosina; Tyrosinum; L-Phenylalanine, 4-hydroxy-; beta-(p-Hydroxyphenyl)alanine; (-)-alpha-Amino-p-hydroxyhydrocinnamic acid; FEMA No. 3736; (S)-alpha-Amino-4-hydroxybenzenepropanoic acid; (S)-(-)-Tyrosine

Regulatory listings held on file

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT, NUTRIENT SUPPLEMENT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 928-JECFA 63/98
GHS notification summary	84.3% (226 / 268)

GHS hazard classification

GHS notification summary	84.3% (226 / 268)
Reported hazard statements	H315 (14.9%), H319 (14.9%), H335 (14.6%)

This chemical does not meet GHS hazard criteria for 84.3% (226 of 268) of all reports.

H315 (14.9%): Causes skin irritation [Warning Skin corrosion/irritation]

What the public record says

(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid · CAS 25619-78-7 · C9H11NO3. UNII 42HK56048U. Melting Point: 343; Melting Point: 344 °C; Melting Point: 343 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.