High Quality Idra-21 Pure Powder CAS. 22503-72-6 99% Purity

We can constantly satisfy our respected customers with our good high quality, good price tag and good support due to we have been additional specialist and extra hard-working and do it in cost-effective way for CAS NO: 53934-76-2, (6-Hydroxy-2-naphthyl)boronic acid, CAS No.: 921619-91-2. Detailed facts is often obtained in our web-site and you’ll be served with premium quality consultant service by our after-sale group. At the same time, the growth of our employees drives and supports the quality and sustainable development of our company. Our products are mainly exported to many countries all over the world.

Product Details:

Name: alizarin

Synonyms:

9,10-Anthracenedione, 1,2-dihydroxy-;

Alizarine;

ALIZARIN;

mordant red 11;

Pincoffin;

1,2-Dihydroxy anthraquinone;

Alizarina;

Aliazrin;

S NO 1141;

1,2-Dihydroxy-9,10-anthracenedione;

Red 83;

dihydroxyanthraquinone;

1,2-dihydroxy-9,10-anthraquinone;

CAS: 72-48-0

EINECS: 200-782-5

MF: C14H8O4

MW: 240.21100

Density: 1.06 g/mL at 20 °C

BP: 430 °C

MP: 287 °C

FP: 430°C subl.

Purity: 95%+

Refractive index: 1.5190 (estimate)

Storage condition: Store in a cool, dry place. Store in a tightly closed container.

Stability: Stable. Incompatible with strong oxidizing agents, strong bases.

Appearance: Orange – red crystal or powder

Acidity factor (pKa): 6.77(at 25℃)

Package: 5g, 25g, 100g, 500g, 1kg, 25kg

Application: Dye intermediate, acid-base indicator