Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

212814

Sigma-Aldrich

1-Naphthol-3,6-disulfonic acid disodium salt hydrate

technical grade

Synonym(s):

4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
HOC10H5(SO3Na)2 · xH2O
CAS Number:
330581-20-9
Molecular Weight:
348.26 (anhydrous basis)
EC Number:
243-754-8
MDL number:
MFCD00149250
UNSPSC Code:
12352100
PubChem Substance ID:
24852744
NACRES:
NA.22

grade

technical grade

Quality Level

200

impurities

10% sodium chloride

functional group

sulfonic acid

SMILES string

O.[Na+].[Na+].Oc1cc(cc2cc(ccc12)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C10H8O7S2.2Na.H2O/c11-10-5-8(19(15,16)17)4-6-3-7(18(12,13)14)1-2-9(6)10;;;/h1-5,11H,(H,12,13,14)(H,15,16,17);;;1H2/q;2*+1;/p-2

InChI key

BJNIHPYLVMUUPO-UHFFFAOYSA-L

Related Categories

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCT1546
MKCS2903
MKCS0357
MKCR4768
MKCP4685

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

A Facile Synthesis of Novel 1-(2, 4-Diaminephenoxy)-3, 6-naphthalenedisulfonic Acid.
DU W-S, et al.
Fine Chemicals / ????, 2(2011), 023-023 (2011)
Mirabelle Prémont-Schwarz et al.
The journal of physical chemistry. B, 117(16), 4594-4603 (2013-01-12)
The 1-naphthol molecule has been the subject of intense research activity for the past 60 years due to its complex behavior as a photoacid upon optical excitation. We have utilized femtosecond mid-infrared spectroscopy and time-resolved fluorescence spectroscopy to investigate the

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