Solvent Green 3 synthesis
- Product Name:Solvent Green 3
- CAS Number:128-80-3
- Molecular formula:C28H22N2O2
- Molecular Weight:418.49
Yield:128-80-3 97%
Reaction Conditions:
with leucoquinizarin;boric acid;sodium hydrogensulfite in ethanol;benzene at 62 - 66; for 12 h;Temperature;Solvent;
Steps:
1 Example 1
With a mechanical stir,Thermometer in a 500 mL four-necked flask,120 g of ethanol, 60 g of benzene,Boric acid 2 g,1,4-dihydroxyanthraquinone 40 g,Sodium bisulfite 2 g,1,4-dihydroxyanthraquinone, 8g,After stirring, 24 g of p-toluidine was added,Heating to 64 ± 2 for dehydration reaction,Reaction time of 12 hours.After completion of the reaction, the temperature was lowered to 20 ° C,Filtered, washed and dried to give the desired product 82.32 g solvent green 3,Purity of 98.5%,The yield was 97% (based on the sum of 1,4-dihydroxyanthraquinone and 1,4-dihydroxyanthraquinone)Shade (DC0.0, DH0.2, intensity 100.0), the filter value of 0.02.
References:
CN106675080,2017,A Location in patent:Paragraph 0025; 0026; 0027; 0028; 0029; 0030; 0031; 0032
81-64-1
454 suppliers
$5.00/25g
106-49-0
398 suppliers
$5.00/5G
81-48-1
351 suppliers
$7.00/25g
128-80-3
265 suppliers
$5.00/5g
