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Sulfur Compounds (Thiols, Sulfides, Sulfonates)

1-Amino-2-naphthol-4-sulphonic acid, EP

EPAvailable on request

Order 1-Amino-2-naphthol-4-sulphonic acid, EP (CAS 116-63-2) online at Zemixal: C10H9NO4S, COA and SDS with every lot, worldwide shipping.

Pack sizes
1-Amino-2-naphthol-4-sulphonic acid, EP chemical structure
CAS number116-63-2
FormulaC10H9NO4S
Molar mass239.25 g/mol
HS code29222130
InChIKeyRXCMFQDTWCCLBL-UHFFFAOYSA-N
IUPAC name4-amino-3-hydroxynaphthalene-1-sulfonic acid

About 1-Amino-2-naphthol-4-sulphonic acid, EP

Researchers and plant chemists source 1-Amino-2-naphthol-4-sulphonic acid, EP from Zemixal for routine and specialised work. Key data (EP): CAS 116-63-2, formula C10H9NO4S and molar mass 239.25 g/mol.

Use cases we see most often

  • Analytical determinations
  • Dyes & pigments manufacture

Handling and storage

It carries the GHS signal word Warning (H315, H319, H335 and H412), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 25 g and 100 g, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Analytical determinations
  • Dyes & pigments manufacture

Applications

Pharmaceutical Manufacturing and QCResearch Labs and UniversitiesTextiles, Dyes and Leather

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of 1-Amino-2-naphthol-4-sulphonic acid, EP
Product name1-Amino-2-naphthol-4-sulphonic acid, EP
Catalogue numberZX-038545
CAS number116-63-2
IUPAC name4-amino-3-hydroxynaphthalene-1-sulfonic acid
Molecular formulaC10H9NO4S
Molar mass239.25 g/mol
Exact mass239.0252
GradeEP
XLogP30.9
H-bond donors / acceptors3 / 5
Topological polar surface area109 Ų
HS code29222130
InChIKeyRXCMFQDTWCCLBL-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=CC(=C2N)O)S(=O)(=O)O
PubChem CID8316
Synonyms1-Amino-2-naphthol-4-sulfonic acid, 4-Amino-3-hydroxy-1-naphthalenesulfonic acid, 1-Amino-4-sulfo-2-naphthol, 1,2,4-Acid, ANSK compound, 4-Amino-3-hydroxynaphthalenesulfonic acid, 2-Hydroxy-4-sulfo-1-naphthylamine, 4-Amino-3-hydroxynaphthalene-1-sulphonic acid, 4-amino-3-hydroxy-naphthalene-1-sulfonic acid, 4-Amino-3-Hydroxy-1-Naphdialene Sulfonic Acid, 1,2,4-Aminonaphtholsulfonic acid, Naphthalenesulfonic acid, 4-amino-3-hydroxy-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 1-Amino-2-naphthol-4-sulphonic acid, EP
25 gQuoted on request
100 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 1-Amino-2-naphthol-4-sulphonic acid, EP

Which CAS number identifies 1-Amino-2-naphthol-4-sulphonic acid, EP?
1-Amino-2-naphthol-4-sulphonic acid, EP is registered under CAS 116-63-2. You may also see it listed as 1-Amino-2-naphthol-4-sulfonic acid, 4-Amino-3-hydroxy-1-naphthalenesulfonic acid, 1-Amino-4-sulfo-2-naphthol. Our catalogue number for this item is ZX-038545.
What are the formula and molar mass of 1-Amino-2-naphthol-4-sulphonic acid, EP?
For 1-Amino-2-naphthol-4-sulphonic acid, EP, its formula is C10H9NO4S and its molar mass is 239.25 g/mol. The systematic (IUPAC) name is 4-amino-3-hydroxynaphthalene-1-sulfonic acid. InChIKey RXCMFQDTWCCLBL-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 1-Amino-2-naphthol-4-sulphonic acid, EP?
This listing is EP grade. Standard packs are 25 g, 100 g. Larger quantities and custom packing can be quoted on request.
Which documents come with 1-Amino-2-naphthol-4-sulphonic acid, EP?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 1-Amino-2-naphthol-4-sulphonic acid, EP to my country?
Yes. Because 1-Amino-2-naphthol-4-sulphonic acid, EP is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 116-63-2

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