214566

Sigma-Aldrich

Acid Green 25

Dye content ≥60 %

Empirical Formula (Hill Notation):
C28H20N2Na2O8S2
CAS Number:
Molecular Weight:
622.58
Colour Index Number:
61570
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

Quality Level

form

powder

composition

Dye content, ≥60%

application(s)

hematology: suitable
histology: suitable

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

Featured Industry

Diagnostic Assay Manufacturing

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

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Related Categories

Pictograms

Environment

Hazard Statements

Precautionary Statements

hazcat

Aquatic Chronic 2

storage_class_code

13 - Non Combustible Solids

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

W Hiebl et al.
Klinische Monatsblatter fur Augenheilkunde, 222(4), 309-311 (2005-04-22)
The azo dye trypan blue and the cyanine dye indocyanine green have been used in ophthalmology since the 1980 s to dye the anterior capsule in cataract operations and to stain epiretinal membranes in order to remove the membrana limitans...
Xin-Hui Xu et al.
Molecules (Basel, Switzerland), 17(3), 2784-2795 (2012-03-08)
A new sorbent material, barium sulfate-Direct Blending Yellow D-3RNL hybrid (BSD), was synthesized and characterized by various methods. Both the anionic dyes, Reactive Brilliant Red X-3B and Weak Acid Green GS were hardly adsorbed by the BSD material, while the...

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