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212814

Sigma-Aldrich

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

technical grade

Synonym(s):

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

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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

impurities

10% sodium chloride

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

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

212814-VAR:
212814-50G:
212814-BULK:
212814-250G:

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’.

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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
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)

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