214566

Acid Green 25

Dye content ≥60 %

• Empirical Formula (Hill Notation): C₂₈H₂₀N₂Na₂O₈S₂
• CAS Number: 4403-90-1
• Molecular Weight: 622.58
• Colour Index Number: 61570
• EC Number: 224-546-6
• MDL number: MFCD00001193
• UNSPSC Code: 12171500
• PubChem Substance ID: 24852842
• NACRES: NA.47

Properties

• form: powder
• Quality Level: 100
• composition: Dye content, ≥60%
• mp: 235-238 °C (lit.)
• λmax: 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.

Safety Information

• Pictograms: GHS09
• Hazard Statements: H411
• Precautionary Statements: P273
• Hazard Classifications: Aquatic Chronic 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves