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6408-78-2

Basic Information
CAS No.: 6408-78-2
Name: ACID BLUE 25
Article Data: 13
Molecular Structure:
Molecular Structure of 6408-78-2 (ACID BLUE 25)
Formula: C20H14N2O5S.Na
Molecular Weight: 416.389
Synonyms: C.I. Acid blue 25;2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-9,10-dioxo-4-(phenylamino)-, monosodium salt;Sodium 1-amino-9,10-dioxo-4-phenylaminoanthracene-2-sulphonate;Sodium 1-amino-4-anilino-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate;CHEMBL256057;210684_SIAL;CID22915;1-Amino-4-anilino-9,10-dioxoanthracene-2-sulfonate;
EINECS: 229-068-1
Density: 1.491[at 20℃]
Melting Point: >300ºC
Boiling Point: 846.88℃[at 101 325 Pa]
Solubility: Soluble in acetone and alcohol, slightly soluble in benzene and tetralin
Appearance: Blue powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36
PSA: 137.77000
LogP: 4.42690
Synthetic route
6258-06-6

sodium 1-amino-4-bromoanthraquinone-2-sulfonate

62-53-3

aniline

6408-78-2

acid blue 25

Conditions
ConditionsYield
With copper In aq. phosphate buffer at 80℃; for 0.333333h; pH=6 - 7; Microwave irradiation;90%
With disodium hydrogenphosphate; sodium dihydrogenphosphate; copper In water at 80℃; for 0.333333h; Microwave irradiation;90%
With sodium carbonate; copper(II) sulfate In water at 90℃; for 48h; Ullmann coupling;60%
6258-06-6

sodium 1-amino-4-bromoanthraquinone-2-sulfonate

62-53-3

aniline

A

25492-62-0

sodium 1-amino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate

B

6408-78-2

acid blue 25

Conditions
ConditionsYield
With disodium hydrogenphosphate; sodium dihydrogenphosphate; copper In water at 80℃; under 7500.75 Torr; for 0.0833333h; pH=6 - 7; Ullmann coupling reaction; microwave irradiation;A n/a
B 55%
116-81-4

1-amino-4-bromo-9,10-dioxoanthracene-2-sulphonic acid

62-53-3

aniline

6408-78-2

acid blue 25

Conditions
ConditionsYield
With copper Ullmann reaction; aq. phosphate buffer; Microwave irradiation; Heating;
143-33-9

sodium cyanide

6408-78-2

acid blue 25

86397-45-7

1-amino-9,10-dioxo-4-phenylamino-9,10-dihydroanthracene-2,3-dicarbonitrile

Conditions
ConditionsYield
With ammonium bicarbonate 1.) DMSO, 100 deg C, 15 h; 2.) water, r.t., 4 h;96%
6408-78-2

acid blue 25

128-95-0

1,4-diamino-9,10-anthraquinone

Conditions
ConditionsYield
With hydrogenchloride; acetic acid; tin(ll) chloride for 3h; Heating;89%
6408-78-2

acid blue 25

102160-11-2

4-phenylamino-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid

Conditions
ConditionsYield
Stage #1: acid blue 25 With hydrogenchloride; water; sodium nitrite at 0 - 20℃;
Stage #2: With ethanol; zinc at 20℃; for 0.00833333h;
79%
64-17-5

ethanol

31165-67-0

2'-benzyloxyacetophenone

6408-78-2

acid blue 25

698355-95-2

C37H28N2O3

Conditions
ConditionsYield
With potassium hydroxide for 2h; Heating / reflux;32.7%
112-53-8

1-dodecyl alcohol

6408-78-2

acid blue 25

sodium hydroxide

sodium hydroxide

1-amino-4-anilino-2-dodecyloxy-anthraquinone

Conditions
ConditionsYield
at 120℃;
at 120℃;
6408-78-2

acid blue 25

6471-06-3

sodium salt of 1,4-diaminoanthraquinone-2-sulfonic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 89 percent / acetic acid; SnCl2; HCl / 3 h / Heating
2: 51 percent / chlorosulfonic acid; Na2CO3 / nitrobenzene / 3 h / 130 °C
View Scheme
6408-78-2

acid blue 25

32571-82-7

1-Amino-9,10-dioxo-4-phenylamino-9,10-dihydroanthracen-2-carbonitril

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 96 percent / 1.) ammonium hydrogen carbonate / 1.) DMSO, 100 deg C, 15 h; 2.) water, r.t., 4 h
2: 1.2 g / 0.08 h / 160 °C
View Scheme
Multi-step reaction with 2 steps
1: 96 percent / 1.) ammonium hydrogen carbonate / 1.) DMSO, 100 deg C, 15 h; 2.) water, r.t., 4 h
2: 1.2 g / 2-amino-ethanol / 0.08 h / 160 °C
View Scheme
Downstream Products
128-95-0
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  • ACID BLUE 25

  • Casno:

    6408-78-2

    ACID BLUE 25

    Min.Order: 0

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  • ACID BLUE 25

  • Casno:

    6408-78-2

    ACID BLUE 25

    Min.Order: 1 Metric Ton

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  • acid blue 25 CAS NO.6408-78-2 CAS NO.6408-78-2  CAS NO.6408-78-2

  • Casno:

    6408-78-2

    acid blue 25 CAS NO.6408-78-2 CAS NO.6408-78-2 CAS NO.6408-78-2

    Min.Order: 1 Metric Ton

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  • 2-Anthracenesulfonicacid, 1-amino-9,10-dihydro-9,10-dioxo-4-(phenylamino)-, sodium salt (1:1)

  • Casno:

    6408-78-2

    2-Anthracenesulfonicacid, 1-amino-9,10-dihydro-9,10-dioxo-4-(phenylamino)-, sodium salt (1:1)

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    Keywords Competitive price/ Top quality of Acid blue 25 global trader Offer Reliable quality of Acid blue 25 Best price of 99%m in Acid blue 25 Quick Details ProName: Acid blue 25 CasNo: 6408-78-2 Molecular Formula: C20H14N2O5S.Na Appear

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  • Acid Blue 2AL2

  • Casno:

    6408-78-2

    Acid Blue 2AL2

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 10.0-10.0

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  • Acid blue 25 with competitive price

  • Casno:

    6408-78-2

    Acid blue 25 with competitive price

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0

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    As an outstanding team that is specialized in supplying and serving group of quality dyes and pigment to the internationl industry, including textile, ink, leather, paint, plastic

  • JADECHEM NINGBO CO.,LTD.

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  • Acid Blue 25

  • Casno:

    6408-78-2

    Acid Blue 25

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Cerametek Materials (CMT) is your industrial and R&D supplier: 1. Semiconductor materials: Compounds of II, III, IV, V, VI groups such as Metal Sulfides, Selenides, Tellurides, Arsenide, Antimonide, Phosphide... 2. Advanced ceramic and crys

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Specification

The Acid blue 25 with CAS registry number of 6408-78-2 is also known as 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-9,10-dioxo-4-(phenylamino)-, monosodium salt. The IUPAC name is sodium 1-Amino-4-anilino-9,10-dioxoanthracene-2-sulfonate. It belongs to product categories of Dyes and Pigments; Organics; A; Stains and Dyes; Stains&Dyes, A to. Its EINECS registry number is 229-068-1. In addition, the formula is C20H14N2O5S.Na and the molecular weight is 417.38. This chemical is a blue powder and should be stored in cool , dry place.

Physical properties about Acid blue 25 are: (1)ACD/LogP: 2.62; (2)ACD/LogD (pH 5.5): -0.88; (3)ACD/LogD (pH 7.4): -0.89; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 7; (9)#H bond donors: 4; (10)#Freely Rotating Bonds: 4; (11)Polar Surface Area: 103.37Å2.

Preparation of Acid blue 25: it is prepared by reaction of bromine acid with aniline. The reaction occurs with reagents Na2CO3, CuSO4, solvent H2O and catalyst Tai salt at the temperature of 90 °C. At last, product is obtained by filtration and drying.

Uses of Acid blue 25: it is mainly used for silk, wool, nylon and blended fabric dyeing. What's more, it is used to produce 1-amino-9,10-dioxo-4-phenylamino-9,10-dihydroanthracene-2,3-dicarbonitrile by reaction with hydrocyanic acid; sodium salt. The reaction occurs with reagent ammonium hydrogen carbonate in two steps. The first step needs DMSO at 100 °C while the second step occurs with r.t. in water for 4 hours. The yield is about 96%.

Acid blue 25 is used to produce 1-amino-9,10-dioxo-4-phenylamino-9,10-dihydroanthracene-2,3-dicarbonitrile by reaction with hydrocyanic acid; sodium salt.

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. During using it, wear suitable protective clothing. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1=CC=C(C=C1)NC2=CC(=C(C3=C2C(=O)C4=CC=CC=C4C3=O)N)S(=O)(=O)[O-].[Na+]
2. InChI: InChI=1S/C20H14N2O5S.Na/c21-18-15(28(25,26)27)10-14(22-11-6-2-1-3-7-11)16-17(18)20(24)13-9-5-4-8-12(13)19(16)23;
/h1-10,22H,21H2,(H,25,26,27);/q;+1/p-1
3. InChIKey: LIKZXCROQGHXTI-UHFFFAOYSA-M