Skip to Content
Merck
All Photos(1)

Documents

Safety Information

70550

Sigma-Aldrich

Naphthol Green B

for microscopy (Hist.), for complexometry

Synonym(s):

Acid Green 1

Sign Into View Organizational & Contract Pricing


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.)

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

Looking for similar products? Visit Product Comparison Guide

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

70550-BULK-F:
70550-VAR-F:
70550-100G-F:
70550-500G-F:
70550-25G-F:


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service