Hydrocaffeic acid, a-amino-

Name	3-(3,4-dihydroxyphenyl)-DL-alanine
Synonyms	DL-DOPA (+-)-Dopa NSC 16940 AI3-23874 (R,S)-Dopa DL-3,4-Dopa UNII-QI9C343R60 3-Hydroxy-DL-tyrosine DL-Dioxyphenylalanine Dihydroxyphenylalanine DL-Tyrosine, 3-hydroxy- DL-Dihydroxyphenylalanine Hydrocaffeic acid, a-amino- DL-4,5-Dihydroxyphenylalanine b-(3,4-Dihydroxyphenyl)-a-alanine DL-b-(3,4-Dihydroxyphenyl)alanine 3-(3,4-dihydroxyphenyl)-DL-alanine 3-(3,4-Dihydroxyphenyl)-DL-alanine (+-)-3-(3,4-Dihydroxyphenyl)alanine DL-beta-(3,4-Dihydroxyphenyl)alanine Alanine, 3-(3,4-dihydroxyphenyl)-, DL- Alanine, 3-(3,4-dihydroxyphenyl)-, DL- (8CI) Benzenepropanoic acid, a-amino-3,4-dihydroxy-
CAS	63-84-3
EINECS	200-566-0
InChI	InChI=1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,10H2,(H,13,14)

Molecular Formula	C9H11NO4
Molar Mass	197.19
Density	1.3075 (rough estimate)
Melting Point	270-272°C(lit.)
Boling Point	334.28°C (rough estimate)
Water Solubility	Soluble in water, 0.5M dilute hydrochloric acid and formic acid. Insoluble in ethanol, benzene, chloroform and ethyl acetate.
Appearance	Powder
Color	Off-white
Odor	Odorless
Merck	14,3420
BRN	3204800
pKa	2.24±0.20(Predicted)
Storage Condition	Room Temprature
Refractive Index	1.5270 (estimate)
MDL	MFCD00063060

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
WGK Germany	3
RTECS	AY5250000

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