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　　Legal number: CAS RN: 60-18-4 EINECS no. : 200-460-4

　　Molecular formula: C₉H₁₁NO₃

　　Molecular weight: 181.19

　　Physical and chemical properties: the product is mercerized thin needle crystalls or crystal powder. The melting point of 300 ℃ or higher. 342-344 ℃. Under the coexist with hydrocarbons are more likely to split up. Password is 1.456 g/cm3. PK '29.11. PK '310.07. Rotation - 10.6 ° c = 4, in 1 mol/LHCI); 13.2 ° (c = 4, in 3 mol/LaOH). 12.3 ° + 0.5 ° and 0.5 ° + / - 0.5 ° c = 4.1 (mol/LHCI) in water solubility (g / 100 ml) : 0.02 (0 ℃); 0.045 (25 ℃); 0.105 (50 ℃); 0.244 (75 ℃); 0.565 (100 ℃). Soluble in alkaline solution. Insoluble in neutral organic solvents, such as ethanol, ether, acetone, etc.

　　Purpose: for tissue culture (L - tyrosine · 2 na · H2O), biochemical reagents, treatment of thyroid disease. As a modulation elderly, children's food and foliar nutrition agent, etc.

　　Standard: USP24 AJI92