FLAVANTHRONE

CAS No.：475-71-8

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

View the full Disclaimer

Other grades of this product :

FLAVANTHRONE Basic information

Product Name:	FLAVANTHRONE
Synonyms:	FLAVANTHRONE;PIGMENT YELLOW 24;benzo[h]benz[5,6]acridino[2,1,9,8-klmna]acridine-8,16-dione;C.I.Vatyellow1;VatyellowG;Vat Yellow 1;Vat Yellow G(super fine powder);Flavantfrone Y-G (Pigment Yellow 24)
CAS:	475-71-8
MF:	C28H12N2O2
MW:	408.41
EINECS:	207-498-0
Product Categories:	Organics
Mol File:	475-71-8.mol

FLAVANTHRONE Chemical Properties

Boiling point	730.1±55.0 °C(Predicted)
density	1.575±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	Sulfuric Acid (Slightly)
form	Solid
pka	-0.82±0.20(Predicted)
Colour Index	70600
color	Very Dark Red to Very Dark Brown
CAS DataBase Reference	475-71-8
EPA Substance Registry System	Benzo[h]benz[5,6]acridino[2,1,9,8-klmna]acridine-8,16-dione (475-71-8)

Safety Information

Safety Statements

22-24/25

MSDS Information

FLAVANTHRONE Usage And Synthesis

Chemical Properties

Brownish-yellow needles. Soluble in dilute alkaline solutions.

Uses

Vat dye for textiles, etc.

Properties and Applications

TEST ITEMS	SPECIFICATION
APPEARANCE	YELLOW POWDER
SHADE	GREENISH
HEAT RESISTANCE	180 °C min
LIGHT FASTNESS	7
ACID RESISTANCE	5
ALKALI RESISTANCE	5
FASTNESS TO BLEEDING	5
OIL ABSORPTION	45-50%
SPECIFIC SURFACE	27 m ² /g
DENSITY	1.50 g/cm ³
RESIDUE ON 80 MESH	5.0% max
WATER SOLUBLE	1.0% max
VOLATITE 105 °C	1.0% max
TINTING STRENGTH	100-105 %

FLAVANTHRONE Preparation Products And Raw materials

Raw materials	Copper-->2-AMINOANTHRAQUINONE-->2-AMINOANTHRAQUINONE-->2,2'-BIPHENYLDIAMINE
Preparation Products	Benzo[h]benz[5,6]acridino[2,1,9,8-klmno]acridine-8,16-diol, bis(hydrogen sulfate) (ester), disodium salt

Welcome！

Please leave a message for us or use the following ways to contact us, we will reply to you as soon as possible, and provide you with the most sincere service, thank you.

NO. 18 ,Wujiang Road, Wulidian Street, Jiangbei District, Chongqing
+86-23-6139-8061 +86-13650506873
danny@chemdad.com sales@chemdad.com
www.chemdad.com
WhatsApp +86-13650506873