4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Monosodium Salt

CAS #:

Linear Formula:


MDL Number:

MFCD00036444 / MFCD00035728

EC No.:



4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Monosodium Salt
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4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Monosodium Salt Properties (Theoretical)

Compound Formula C10H8NNaO7S2
Molecular Weight 341.284
Appearance Whitish gray to reddish yellow crystals or powder
Melting Point > 380 °C
Boiling Point N/A
Density N/A
Bulk Density 550 kg/m3
Solubility in H2O 11g/L
Exact Mass 340.964 g/mol
Monoisotopic Mass 340.964 g/mol

4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Monosodium Salt Health & Safety Information

Signal Word Danger
Hazard Statements H302-H330
Hazard Codes T
Precautionary Statements P260-P264-P270-P271-P284-P301+P312-P304+P340-P310-P320-P330-P403+P233-P405-P501
RTECS Number N/A
Transport Information NONH for all modes of transport
WGK Germany 3

About 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Monosodium Salt

4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Monosodium Salt is one of numerous organometallic compounds manufactured by American Elements under the trade name AE Organometallics™. Organometallics are useful reagents, catalysts, and precursor materials with applications in thin film deposition, industrial chemistry, pharmaceuticals, LED manufacturing, and others. American Elements supplies organometallic compounds in most volumes including bulk quantities and also can produce materials to customer specifications. Please request a quote above for more information on pricing and lead time.

4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Monosodium Salt Synonyms

Sodium 4-Amino-5-hydroxy-2,7-naphthalenedisulfonate, 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt, H acid monosodium salt, Monosodium 4-Amino-5-hydroxy-2,7-naphthalenedisulfonate, Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate, Ash acid, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, monosodium salt (8CI, 9CI)

Chemical Identifiers

Linear Formula C10H8NNaO7S2
MDL Number MFCD00036444 / MFCD00035728
EC No. 226-736-4
Pubchem CID 23664361
IUPAC Name sodium; 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate
SMILES C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])N)O)S(=O)(=O)O.[Na+]
InchI Identifier InChI=1S/C10H9NO7S2.Na/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18);/q;+1/p-1

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements


See more Nitrogen products. Nitrogen is a Block P, Group 15, Period 2 element. Its electron configuration is [He]2s22p3. Nitrogen is an odorless, tasteless, colorless and mostly inert gas. It is the seventh most abundant element in the universe and it constitutes 78.09% (by volume) of Earth's atmosphere. Nitrogen was discovered by Daniel Rutherford in 1772.


Sodium Bohr ModelSee more Sodium products. Sodium (atomic symbol: Na, atomic number: 11) is a Block D, Group 5, Period 4 element with an atomic weight of 22.989769. The number of electrons in each of Sodium's shells is [2, 8, 1] and its electron configuration is [Ne] 3s1. The sodium atom has a radius of 185.8 pm and a Van der Waals radius of 227 pm. Sodium was discovered and first isolated by Sir Humphrey Davy in 1807. In its elemental form, sodium has a silvery-white metallic appearance. It is the sixth most abundant element, making up 2.6 % of the earth's crust. Sodium does not occur in nature as a free element and must be extracted from its compounds (e.g., feldspars, sodalite, and rock salt). The name Sodium is thought to come from the Arabic word suda, meaning "headache" (due to sodium carbonate's headache-alleviating properties), and its elemental symbol Na comes from natrium, its Latin name.


See more Sulfur products. Sulfur (or Sulphur) (atomic symbol: S, atomic number: 16) is a Block P, Group 16, Period 3 element with an atomic radius of 32.066. Sulfur Bohr ModelThe number of electrons in each of Sulfur's shells is 2, 8, 6 and its electron configuration is [Ne] 3s2 3p4. In its elemental form, sulfur has a light yellow appearance. The sulfur atom has a covalent radius of 105 pm and a Van der Waals radius of 180 pm. In nature, sulfur can be found in hot springs, meteorites, volcanoes, and as galena, gypsum, and epsom salts. Sulfur has been known since ancient times but was not accepted as an element until 1777, when Antoine Lavoisier helped to convince the scientific community that it was an element and not a compound.

Recent Research


May 30, 2024
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