ChemicalBook > CAS DataBase List > Vat Blue 4

Vat Blue 4

Product Name
Vat Blue 4
CAS No.
81-77-6
Chemical Name
Vat Blue 4
Synonyms
indanthrene;vat;Blue 60;INDANTHRONE;e130;blueo;l-blau1;c.i.1106;ponsolrp;vatblueo
CBNumber
CB5396425
Molecular Formula
C28H14N2O4
Formula Weight
442.42
MOL File
81-77-6.mol
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Vat Blue 4 Property

Melting point:
470-500°C
Boiling point:
553.06°C (rough estimate)
Density 
1.3228 (rough estimate)
refractive index 
1.5800 (estimate)
storage temp. 
Sealed in dry,Room Temperature
form 
powder to crystal
pka
-1.40±0.20(Predicted)
Colour Index 
69800
color 
Dark red to Dark purple to Dark blue
Water Solubility 
<0.1 g/100 mL at 21 ºC
Merck 
14,4934
Stability:
Incompatible with strong oxidizing agents.
LogP
1.78 at 20℃
EPA Substance Registry System
C.I. Pigment Blue 60 (81-77-6)
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Safety

Risk Statements 
20/21/22
Safety Statements 
22-36/37/39
RTECS 
CB8761100
HS Code 
3204.15.8000
Hazardous Substances Data
81-77-6(Hazardous Substances Data)
Toxicity
LD50 oral in rat: 2gm/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TCI Chemical
Product number
I0230
Product name
Indanthrone (Water soluble)
Packaging
25g
Price
$77
Updated
2021/12/16
TCI Chemical
Product number
I0429
Product name
Indanthrone
Purity
>97.0%(N)
Packaging
25g
Price
$81
Updated
2024/03/01
AK Scientific
Product number
O874
Product name
PigmentBlue60,tech.
Packaging
1g
Price
$21
Updated
2021/12/16
AK Scientific
Product number
O874
Product name
PigmentBlue60,tech.
Packaging
25g
Price
$73
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
DYE0000737
Product name
INDANTHRONE
Purity
95.00%
Packaging
5MG
Price
$498.74
Updated
2021/12/16
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Vat Blue 4 Chemical Properties,Usage,Production

Chemical Properties

blue needles with a metallic lustre

Uses

Dinaphtho[2,3-a:2'',3''-h]phenazine-5,9,14,18(6H,15H)-tetraone is a pigment; used in preparation of Polyethylene composite material for outdoor building materials.

Uses

Mainly to dye cotton.

Uses

Indanthrone (Pigment Blue 60) functions as a blue pigment or as a dye.

Definition

A blue vat dye or pigment. The molecule consists of two anthraquinone nuclei linked through two –NH groups.

Preparation

(a) in potassium nitrate, LvSuanJia, glucose or organic acid salt (such as formic acid potassium or acetic acid potassium or the mixture of both) under the existence of, with potassium hydroxide treatment 2-Aminoanthracene-9,10-dione;

Reactions

As a pigment, indanthrone is a particulate, insoluble solid dispersed directly into a vehicle, whereas as a dye it is reduced to a base-soluble hydroquinone derivative and then reoxidized onto a solid substrate.

General Description

Blue needles with a metallic luster or fine fluffy deep blue powder.

Air & Water Reactions

Insoluble in water.

Fire Hazard

Flash point data for Vat Blue 4 are not available. Vat Blue 4 is probably combustible.

Flammability and Explosibility

Not classified

Synthesis

Indanthrone , Indanthren Blue RS and R, is prepared from 2- (or 1-) aminoanthraquinone by potash fusion , in potassium phenolate , , or in 50 % potassium hydroxide , .
Chlorination of indanthrone in sulfuric acid under addition of 1 % or5%manganese dioxide (5 – 8 % or 13.8 – 14 % Cl) at 50 – 55 ?C affords dyes of slightly greener shades (Indanthren Blue GCD or BC).

Purification Methods

Crystallise indanthrene repeatedly from 1,2,4-trichlorobenzene to give a blue powder. It is soluble in alkali and conc H2SO4. [Weinstein & Merritt J Am Chem Soc 81 3759 1959, Beilstein 24 II 317, 24 III/IV 2193.]

Properties and Applications

red light blue. Slightly soluble in chloroform (heat), o-chlorophenol,Quinoline, insoluble in acetic acid, acetone, ethanol, pyridine, toluene, xylene. The strong sulfuric acid for brown, after diluted blue precipitation; In alkaline insurance powder solution for blue, acidic solutions for the red light in blue. And C.I. Vat ?Blue 4, C.I. Pigment Blue 60 the same chemical structure.

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Vat Blue 4 Suppliers

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
TAIYUAN RHF CO.,LTD.
Tel
+86 351 7031519
Fax
+86 351 7031519
Email
sales@RHFChem.com
Country
China
ProdList
2338
Advantage
56
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44689
Advantage
61
Winchem Industrial Co. Ltd
Tel
0574-83851061
Fax
86-574-87083209
Email
info@win-chemical.com
Country
China
ProdList
500
Advantage
55
China Langchem Inc.
Tel
021-58956006 15800617331
Fax
021-58956100
Email
sales4@langchem.com
Country
China
ProdList
201
Advantage
57
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14435
Advantage
57
Maya High Purity Chemicals
Tel
+86 (573) 82222445 (0)18006601000 452520369
Fax
+86 (573) 82222643
Email
sales@maya-r.com
Country
China
ProdList
11707
Advantage
57
Hangzhou Yuhao Chemical Technology Co., Ltd
Tel
0571-82693216
Fax
+86-571-82880190
Email
info@yuhaochemical.com
Country
China
ProdList
9387
Advantage
52
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View Lastest Price from Vat Blue 4 manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
Vat Blue 4 81-77-6
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-31
Shanxi Naipu Import and Export Co.,Ltd
Product
Vat Blue 4 81-77-6
Price
US $10.00/ASSAYS
Min. Order
1ASSAYS
Purity
99%
Supply Ability
5000kg/month
Release date
2021-10-20
Zhuozhou Wenxi import and Export Co., Ltd
Product
Vat Blue 4 81-77-6
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10

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