Vat Blue 4

ChemicalBook > CAS DataBase List > 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.

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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.

Vat Blue 4 Preparation Products And Raw materials

Raw materials

2-AMINOANTHRAQUINONE Sodium dithionite Sodium acetate Mixed alkalis Potassium hydroxide Sodium acetate trihydrate Diffusion agent NNO Sodium nitrite Oleic acid Sodium nitrate

Preparation Products

Vat Dark Blue VB Vat Blue 14

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View Lastest Price from Vat Blue 4 manufacturers

Hebei Guanlang 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: 2023-01-05

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

81-77-6, Vat Blue 4Related Search:

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