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Vat Black 25

Vat Black 25 Structure
Vat Black 25 structure
CAS No.
4395-53-3
Chemical Name:
Vat Black 25
Synonyms
Olive T;C.I. 69525;Vat Olivet;Vat Black 25;C.I.VATBLACK25;Reduced olive T;Intravat Olive S;Cibanone Olive S;Anthramar Olive T;Vat Olive Green T
CBNumber:
CB7875320
Molecular Formula:
C45H22N2O5
Molecular Weight:
670.67
MDL Number:
MFCD00800443
MOL File:
4395-53-3.mol
Last updated:2025-12-31 14:38:37
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Vat Black 25 Properties

Density 1.527±0.06 g/cm3(Predicted)
pka -2.72±0.20(Predicted)
CAS DataBase Reference 4395-53-3(CAS DataBase Reference)
EPA Substance Registry System Anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione, 3-[(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino]- (4395-53-3)

SAFETY

Risk and Safety Statements

TSCA  TSCA listed

Vat Black 25 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
American Custom Chemicals Corporation DYE0001990 CI VAT BLACK 25 95.00% 4395-53-3 5MG $503.67 2021-12-16 Buy
Product number Packaging Price Buy
DYE0001990 5MG $503.67 Buy

Vat Black 25 Chemical Properties,Uses,Production

Uses

Vat Black 25 is a black dye.

Preparation

1-Aminoanthracene-9,10-dione (2 Moore) and 3,9-Dibromo-7H-benzo[de]anthracen-7-one in boiling naphthalene, in copper oxide and Sodium carbonate under the existence of condensation,And then boiling isobutanol cyclization with potassium hydroxide.

Properties and Applications

brown light grey. Brown powder. In concentrated sulfuric acid for green, dilution after black precipitation; In concentrated nitric acid for the red light brown. Alkaline reduction leuco for grey; Acid reduction leuco for dark olive. Mainly used in cotton fiber dyeing, generally not used for printing. Suitable for suspension pad dyeing, and other dye spell dyed all kinds of noise, leuco can dye cotton yarn, but also can be used for silk and wool dyeing, and have a good washing fastness and fastness to sunlight.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 4 8 5 4 4-5 5
AATCC 5 4 7-8 5 4-5

References

[1] Krivov SV, et al.Diffusive reaction dynamics on invariant free energy profiles. Proc Natl Acad Sci U S A. 2008 Sep 16;105(37):13841-6.

Vat Black 25 Preparation Products And Raw materials

Raw materials

Sodium hypochlorite Diffusing agent Potassium hydroxide Benzanthrone Bromine
Bromide 1-Aminoanthraquinone Sulfuric acid 3,9-Dibromobenzanthrone 1-Aminoanthraquinone

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Preparation Products

tetrasodium 3-[(9,10-dihydroxy-1-anthryl)amino]-10,15-dihydroxyanthra[2,1,9-mna]naphth[2,3-h]acridin-5(16H)-one tetrakis(sulphate)

Vat Black 25 Suppliers

Global( 65)Suppliers
Supplier Tel Email Country ProdList Advantage
Winchem Industrial Co. Ltd 0574-83851061 info@win-chemical.com China 500 55
China Langchem Inc. 0086-21-58956006 China 7798 57
Shanghai JONLN Reagent Co., Ltd. 400-0066400 13621662912 422131432@qq.com China 9970 55
Hubei Jusheng Technology Co.,Ltd 027-59599241 18871490274 1400878000@qq.com China 9506 58
Alfa Chemistry 1-516-6625404 support@alfa-chemistry.com United States 9170 60
Shanghai Orgchem Co.,Ltd. +86-21-5877 1921 info@chemofchina.com China 9630 55
Henan Alpha Chemical Co., Ltd. 0371-55055611 18137792234 3957071458@qq.com China 9994 58
CD Chemical Group Limited +86-13651442114 info@codchem.com China 17253 58
Hefei TNJ Chemical Industry Co.,Ltd. +86-0551-65418671 +86-189 4982 3763 sales@tnjchem.com China 34526 58
AFINE CHEMICALS LIMITED +86-571-85134551 +86-18958018566 info@afinechem.com China 15030 58
Supplier Advantage
Winchem Industrial Co. Ltd 55
China Langchem Inc. 57
Shanghai JONLN Reagent Co., Ltd. 55
Hubei Jusheng Technology Co.,Ltd 58
Alfa Chemistry 60
Shanghai Orgchem Co.,Ltd. 55
Henan Alpha Chemical Co., Ltd. 58
CD Chemical Group Limited 58
Hefei TNJ Chemical Industry Co.,Ltd. 58
AFINE CHEMICALS LIMITED 58

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3-(anthraquinon-1-ylamino)anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione Anthra2,1,9-mnanaphth2,3-hacridine-5,10,15(16H)-trione, 3-(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino- C.I.VATBLACK25 Vat black 25 (C.I. 69525) Anthramar Olive T Cibanone Olive S Dycosthren Olive T Intravat Olive S Mikethrene Olive T Nihonthrene Olive T Sandothrene Liquid Olive T Trianthrene Olive T Youhaothrene Olive T Colloisol. Vat Olive (Original Powder) Olive T Vat Olive Green T Vat Black 25 JACFBUVEFBYGAX-UHFFFAOYSA-N Reduced olive T C.I. 69525 3-[(9,10-Dihydro-9,10-dioxoanthracen-1-yl)amino]anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione Vat Olivet Vat Black 25 ISO 9001：2015 REACH C.I.Vat Black 25:C.I.69525 4395-53-3 C45H22N2O5 C45H20N2O5 Organics