Synonyms: 3,4-dihydroxyphenylalanine, 3-hydroxy-l-tyrosine, numerous trade names
Molecular formula: C₉H₁₁NO₄
CAS No: 59-92-7
EINECS No: 200-445-2

Physical data

Appearance: white powder
Melting point: ca. 295 C (decomposes)
Boiling point:
Vapour density:
Vapour pressure:
Density (g cm^-3):
Flash point:
Explosion limits:
Autoignition temperature:

Stability

Stable. Incompatible with strong oxidizing agents. Light and air sensitive.

Toxicology

Harmful if swallowed. May be harmful by skin contact or inhalation. May cause irritation.

Toxicity data
(The meaning of any toxicological abbreviations which appear in this section is given here.)
ORL-RAT LD50 1780 mg kg^-1
IPR-RAT LD50 624 mg ^-1
IVN-RAT LD50 > 100 mg ^-1
IVN-MUS LD50 450 mg ^-1

Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)
R22 R36 R37 R38.

Transport information

Non-hazardous for air, sea and road freight.

Personal protection

Safety glasses.

Safety phrases
(The meaning of any safety phrases which appear in this section is given here.)
S26 S36.

[Return to Physical & Theoretical Chemistry Lab. Safety home page.]

This information was last updated on November 25, 2004. We have tried to make it as accurate and useful as possible, but can take no responsibility for its use, misuse, or accuracy. We have not verified this information, and cannot guarantee that it is up-to-date.