3-Hydroxy-2,7-naphthalenedisulfonic Acid Sodium Salt > 90% - CAS 15883-57-5

Catalog:	BB060950
Product Name:	3-Hydroxy-2,7-naphthalenedisulfonic Acid Sodium Salt > 90%
CAS:	15883-57-5
Synonyms:	2-Hydroxy-3,6-naphthalenedisulfonic Acid Sodium Salt; 2-Naphthol-3,6-disulfonic Acid Sodium Salt; Acid Chrome Black V Sodium Salt; Magracrom Black V Sodium Salt; R Acid Sodium Salt; β-Naphthol-3,6-disulfonic Acid Sodium Salt; β-Naphtholdisulfonic Acid R Sodium Salt

Technical Data

IUPAC Name:	sodium3-hydroxy-7-sulfonaphthalene-2-sulfonate
Description:	3-Hydroxy-2,7-naphthalenedisulfonic Acid is a coupling component used in preparation of disazo urea dyes and dyes derived from 4-4'-diaminodiphenylurea.
Molecular Weight:	304.30 + x(22.99)
Molecular Formula:	C10H8O7S2·(Na)ₓ
Canonical SMILES:	C1=CC(=CC2=CC(=C(C=C21)O)S(=O)(=O)[O-])S(=O)(=O)O.[Na+]
InChI:	InChI=1S/C10H8O7S2.Na/c11-9-4-6-1-2-8(18(12,13)14)3-7(6)5-10(9)19(15,16)17/h1-5,11H,(H,12,13,14)(H,15,16,17)/q+1/p-1
InChI Key:	HIDQFDQPFRGEAF-UHFFFAOYSA-M
Melting Point:	>282°C (dec.)
Solubility:	DMSO (Slightly, Heated), Methanol (Slightly, Heated)
Appearance:	Off-White to Light Brown Solid
Storage:	4°C, Hygroscopic
References:	Szadowski, J., et al. Dyes and Pgiments, 50, 87 (2001); Amjad, R., et al. J. Chem. Soc. Pakistan, 33, 107 (2011).

Complexity:	533
Compound Is Canonicalized:	Yes
Covalently-Bonded Unit Count:	2
Defined Atom Stereocenter Count:	0
Defined Bond Stereocenter Count:	0
Exact Mass:	325.95308919
Formal Charge:	0
Heavy Atom Count:	20
Hydrogen Bond Acceptor Count:	7
Hydrogen Bond Donor Count:	2
Isotope Atom Count:	0
Monoisotopic Mass:	325.95308919
Rotatable Bond Count:	2
Topological Polar Surface Area:	149Å²
Undefined Atom Stereocenter Count:	0
Undefined Bond Stereocenter Count:	0