556-03-6

Name	DL-Tyrosine
CAS	556-03-6
EINECS(EC#)	209-113-1
Molecular Formula	C9H11NO3
MDL Number	MFCD08059709
Molecular Weight	181.19
MOL File	556-03-6.mol

Chemical Properties

Appearance	white powder
Melting point	≥300 °C (lit.)
Boiling point	314.29°C (rough estimate)
density	1.2375 (rough estimate)
refractive index	1.5270 (estimate)
storage temp.	Store at RT.
solubility	Aqueous Acid (Slightly), Methanol (Slightly), Water (Slightly)
form	Crystalline
pka	pK1:2.18(+1);pK2:9.11(0);pK3:10.6(OH) (25°C)
color	White to Off-White
Stability:	Stable. Incompatible with strong oxidizing agents.
Water Solubility	Soluble in water.
Merck	14,9839
BRN	515881
LogP	-0.418 (est)
CAS DataBase Reference	556-03-6(CAS DataBase Reference)
NIST Chemistry Reference	2-Amino-3-(4-hydroxyphenyl)-propanoic acid(556-03-6)
EPA Substance Registry System	556-03-6(EPA Substance)

Safety Data

Hazard Codes	Xi
Risk Statements	R36/37/38:Irritating to eyes, respiratory system and skin . less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing . less more
WGK Germany	3
TSCA	Yes
HS Code	29225090

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Shanghai Hanhong Scientific Co.,Ltd.

Telephone021-54306202 13764082696

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J & K SCIENTIFIC LTD.

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Meryer (Shanghai) Chemical Technology Co., Ltd.

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Alfa Aesar

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Sichuan Tongsheng Amino acids Co.,Ltd.

Telephone0838-2809458 13350585791

Websitehttp://www.aminoacid.cc

TCI (Shanghai) Development Co., Ltd.

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Energy Chemical

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Capot Chemical Co., Ltd

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JinYan Chemicals(ShangHai) Co.,Ltd.

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Shanghai Sinch Parmaceuticals Tech. Co. Ltd.

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Jia Xing Isenchem Co.,Ltd

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Nanjing Chemlin Chemical Co., Ltd

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Shandong Xiya Chemical Co., Ltd

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Websitehttp://www.xiyashiji.com

Syntechem Co.,Ltd

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Sichuan Kulinan Technology Co., Ltd

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China Langchem Inc.

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Tianjin heowns Biochemical Technology Co., Ltd.

Telephone400 638 7771

Websitehttp://www.heowns.com

Sinopharm Chemical Reagent Co,Ltd.

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Websitehttp://www.reagent.com.cn

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556-03-6

Chemical Properties

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Raw materials And Preparation Products

Raw materials

Preparation Products

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Definition

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