ChemicalBook > CAS DataBase List > FLAVANTHRONE

FLAVANTHRONE

Product Name
FLAVANTHRONE
CAS No.
475-71-8
Chemical Name
FLAVANTHRONE
Synonyms
C.I.70600;VatyellowG;FLAVANTHRONE;Flavanthrene;Vat Yellow 1;C.I.Vatyellow1;PIGMENT YELLOW 24;Caledon yellow gn;Dycosthren Yellow G;Hebeithrene Yellow G
CBNumber
CB1495959
Molecular Formula
C28H12N2O2
Formula Weight
408.41
MOL File
475-71-8.mol
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FLAVANTHRONE Property

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)
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Safety

Safety Statements 
22-24/25
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TCI Chemical
Product number
F0011
Product name
Flavanthrone
Packaging
1g
Price
$120
Updated
2021/12/16
TCI Chemical
Product number
F0011
Product name
Flavanthrone
Packaging
5g
Price
$387
Updated
2021/12/16
TRC
Product number
C382253
Product name
Flavanthrone
Packaging
100mg
Price
$85
Updated
2021/12/16
Matrix Scientific
Product number
099544
Product name
Benzo[h]benzo[5,6]acridino-[2,1,9,8-klmna]acridine-8,16-dione
Purity
95+%
Packaging
5g
Price
$370
Updated
2021/12/16
Matrix Scientific
Product number
099544
Product name
Benzo[h]benzo[5,6]acridino-[2,1,9,8-klmna]acridine-8,16-dione
Purity
95+%
Packaging
1g
Price
$143
Updated
2021/12/16
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FLAVANTHRONE Chemical Properties,Usage,Production

Chemical Properties

Brownish-yellow needles. Soluble in dilute alkaline solutions.

Uses

Vat dye for textiles, etc.

Synthesis

Flavanthrone is prepared from 1-chloro- 2-phthalimidoanthraquinone via the 2,2'- diphthalimido-1,1'-bianthraquinonyl, using copper in boiling trichlorobenzene. The alkaline ring closure is accomplished by boiling with excess 3 – 5 % sodium hydroxide, which cleaves both phthalic acid residues simultaneously . Only the unsubstituted flavanthrone is used as a vat dye and pigment.

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

2-AMINOANTHRAQUINONE Copper Concentrated sulfuric acid

Preparation Products

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FLAVANTHRONE Suppliers

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View Lastest Price from FLAVANTHRONE manufacturers

Career Henan Chemical Co
Product
FLAVANTHRONE 475-71-8
Price
US $1.00/kg
Min. Order
1kg
Purity
as request
Supply Ability
500kg
Release date
2018-12-20

475-71-8, FLAVANTHRONERelated Search:

Vat Yellow 2 Vat Grass Green GN 6-Methylquinoline 8-METHYL-ISOQUINOLINE 1-METHYLISOQUINOLINE Phenanthridine FLAVANTHRONE 2,6-DIMETHYLQUINOLINE 6-Quinolinecarbaldehyde 2-Methyl-6-quinolinecarbaldehyde ISOQUINOLINE-8-CARBALDEHYDE Vat Yellow 46 Vat Yellow 12 (C.I.) Vat Yellow 4 Vat Orange 11 Vat Yellow 33 Vat Yellow 10 2-(o-tolyl)pyridine

  • 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)
  • C.I. PIGMENT YELLOW 24)
  • Vat yellow 1 (C.I. 70600)
  • Benzo [h] benz [5, 6] acridino [2, 1, 9, 8-klmna] acridine-8, 16-dione C.I.Vat Yellow 1
  • Dycosthren Yellow G
  • Hebeithrene Yellow G
  • Trianthrene Yellow G
  • Youhaothrene Yellow G.
  • 5,13-Diaza-8,16-pyranthrenedione
  • C.I.70600
  • Flavanthrene
  • Benzo[5,6]acridino[2,1,9,8-klmna]benzo[h]acridine-8,16-dione
  • C.I. Pigment yellow 112
  • Caledon paper yellow gn
  • Caledon printing yellow gn
  • Caledon yellow gn
  • Carbanthrene printing yellow g
  • Benzo[h]benzo[5,6]acridino-[2,1,9,8-klmna]acridine-8,16-dione
  • BENZO(H)BENZO(5,6)ACRIDINO(2,1,9,8-KLMNA)ACRIDINE-8,16-DIONE(C.I. 70600)
  • INDANTHRENE YELLOW G (C.I. 70600)
  • Reduction of yellow G
  • FLAVANTHRONE ISO 9001：2015 REACH
  • C.I.Vat Yellow 1:C.I.70600
  • 475-71-8 FLAVANTHRONE
  • 475-71-8
  • C28H12N2O2
  • Organics