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Acid Green 25

Name: Acid Green 25
Brand: ALDRICH

Dye content ≥60 %

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About This Item

Empirical Formula (Hill Notation):

C₂₈H₂₀N₂Na₂O₈S₂

CAS Number:

4403-90-1

Molecular Weight:

622.58

PubChem Substance ID:

24852842

UNSPSC Code:

12171500

Colour Index Number:

61570

NACRES:

NA.47

EC Number:

224-546-6

MDL number:

MFCD00001193

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Properties

form

powder

Quality Segment

100

composition

Dye content, ≥60%

mp

235-238 °C (lit.)

λ_max

608 nm, 642 nm (2nd)

ε (extinction coefficient)

≥10000 at 604-612 nm, ≥10200 at 640-646 nm, ≥20000 at 281-287 nm, ≥22700 at 251-257 nm, ≥6400 at 407-413 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].Cc1ccc(Nc2ccc(Nc3ccc(C)cc3S([O-])(=O)=O)c4C(=O)c5ccccc5C(=O)c24)c(c1)S([O-])(=O)=O

InChI

1S/C28H22N2O8S2.2Na/c1-15-7-9-19(23(13-15)39(33,34)35)29-21-11-12-22(30-20-10-8-16(2)14-24(20)40(36,37)38)26-25(21)27(31)17-5-3-4-6-18(17)28(26)32;;/h3-14,29-30H,1-2H3,(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2

InChI key

FPAYXBWMYIMERV-UHFFFAOYSA-L

Description

General description

Acid green 25 is an anthraquinone, acid dye.

Application

Acid green 25 is commonly used in the textile industry to dye polyamide, wool, silk, and acrylic fibres.

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Hazard Classifications

Aquatic Chronic 2

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

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