400424
6-Hydroxy-2-naphthalenesulfonic acid sodium salt hydrate
technical grade
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About This Item
Linear Formula:
HOC10H6SO3Na · xH2O
Molecular Weight:
246.21 (anhydrous basis)
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
205-218-1
MDL number:
Form:
solid
InChI key
QHVRFNCHOMKXQP-UHFFFAOYSA-M
InChI
1S/C10H8O4S.Na.H2O/c11-9-3-1-8-6-10(15(12,13)14)4-2-7(8)5-9;;/h1-6,11H,(H,12,13,14);;1H2/q;+1;/p-1
SMILES string
O.[Na+].Oc1ccc2cc(ccc2c1)S([O-])(=O)=O
grade
technical grade
form
solid
mp
>300 °C (lit.)
functional group
sulfonic acid
General description
Sodium salt of 6-hydroxy-2-naphthalenesulfonic acid is also referred as Schaeffer′s salt.
Application
6-Hydroxy-2-naphthalenesulfonic acid sodium salt hydrate may be used in the following studies:
- As precursors during the agar-plate screening test.
- Preparation of methoxy-substituted naphthalenesulfonyl chloride.
- Synthesis of FD&C Red No. 40, a synthetic water-soluble color that is permitted for coloring foods, drugs and cosmetics in the U.S.A.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Anamarija Zega et al.
Bioorganic & medicinal chemistry letters, 14(6), 1563-1567 (2004-03-10)
A series of azaphenylalanine derivatives were investigated as novel thrombin inhibitors based on the prodrug principle. By systematic structural modifications we have identified optimal groups for this series that led us to potent inhibitors of thrombin incorporating the benzamidine fragment
N Richfield-Fratz et al.
Journal of chromatography, 467(1), 167-176 (1989-04-21)
The unsulfonated aromatic amine 4-nitro-p-cresidine (2-methoxy-5-methyl-4-nitrobenzenamine) was identified as an impurity in the regulated color additive FD&C Red. No. 40. The compound was isolated from the water-soluble color by extraction with chloroform, followed by transfer of the free amines to
Jolanta Polak et al.
Microbial cell factories, 9, 51-51 (2010-07-06)
Chemical methods of producing dyes involve extreme temperatures and unsafe toxic compounds. Application of oxidizing enzymes obtained from fungal species, for example laccase, is an alternative to chemical synthesis of dyes. Laccase can be replaced by fungal biomass acting as
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