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70550

Sigma-Aldrich

Naphthol Green B

for microscopy (Hist.), for complexometry

Synonym(s):

Acid Green 1

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About This Item

Empirical Formula (Hill Notation):
C30H15FeN3Na3O15S3
CAS Number:
Molecular Weight:
878.46
Colour Index Number:
10020
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

grade

for complexometry
for microscopy (Hist.)

Quality Level

form

powder

technique(s)

titration: suitable

solubility

methanol: 0.01 g/10 mL

λmax

714 nm

εmax

≥80 at 709-719 nm in water

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].[Na+].[O-]S(=O)(=O)c1ccc2c(N=O)c(O[Fe](Oc3ccc4cc(ccc4c3N=O)S([O-])(=O)=O)Oc5ccc6cc(ccc6c5N=O)S([O-])(=O)=O)ccc2c1

InChI

1S/3C10H7NO5S.Fe.3Na/c3*12-9-4-1-6-5-7(17(14,15)16)2-3-8(6)10(9)11-13;;;;/h3*1-5,12H,(H,14,15,16);;;;/q;;;+3;3*+1/p-6

InChI key

JMXROTHPANUTOJ-UHFFFAOYSA-H

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Related Categories

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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