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Sulfur Compounds (Thiols, Sulfides, Sulfonates)

1-Amino-2-naphthol-4-sulphonic acid, GR 98%+

ARAvailable on request

Order 1-Amino-2-naphthol-4-sulphonic acid, GR 98%+ (CAS 116-63-2) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
1-Amino-2-naphthol-4-sulphonic acid, GR 98%+ chemical structure
CAS number116-63-2
FormulaC10H9NO4S
Molar mass239.25 g/mol
Physical formPowder
HS code29222130
Purity≥98%
InChIKeyRXCMFQDTWCCLBL-UHFFFAOYSA-N
IUPAC name4-amino-3-hydroxynaphthalene-1-sulfonic acid

About 1-Amino-2-naphthol-4-sulphonic acid, GR 98%+

1-Amino-2-naphthol-4-sulphonic acid, GR 98%+ sits in our sulfur Compounds (Thiols, Sulfides, Sulfonates) section and ships worldwide from stock or short lead time. Key data (AR): CAS 116-63-2, formula C10H9NO4S and molar mass 239.25 g/mol. Typical appearance is powder.

Where it is used

  • Fine chemical synthesis
  • Dyes & pigments manufacture

Storage and safety notes

Reported physical data: melting point 290 °C (dec.). It carries the GHS signal word Warning (H315, H319, H335 and H412), so wear gloves and eye protection and work with good ventilation.

Available as 25 g, 100 g, 500 g, 1 kg and 4 x 25 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Fine chemical synthesis
  • Dyes & pigments manufacture

Applications

Pharmaceutical Manufacturing and QCResearch Labs and UniversitiesTextiles, Dyes and Leather

Grade guides

AR Grade (Analytical Reagent)

Specifications and identifiers

Specifications of 1-Amino-2-naphthol-4-sulphonic acid, GR 98%+
Product name1-Amino-2-naphthol-4-sulphonic acid, GR 98%+
Catalogue numberZX-009800
CAS number116-63-2
IUPAC name4-amino-3-hydroxynaphthalene-1-sulfonic acid
Molecular formulaC10H9NO4S
Molar mass239.25 g/mol
Exact mass239.0252
GradeAR
Purity / assay≥98%
Physical formPowder
AppearancePowder
Melting point290 °C (dec.)
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
Synonyms4-Amino-3-hydroxy-1-naphthalenesulfonic acid, 1-Amino-2-naphthol-4-sulfonic 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, GR 98%+
25 gQuoted on request
100 gQuoted on request
500 gQuoted on request
1 kgQuoted on request
4 x 25 kgQuoted 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, GR 98%+

Which CAS number identifies 1-Amino-2-naphthol-4-sulphonic acid, GR 98%+?
1-Amino-2-naphthol-4-sulphonic acid, GR 98%+ is registered under CAS 116-63-2. You may also see it listed as 4-Amino-3-hydroxy-1-naphthalenesulfonic acid, 1-Amino-2-naphthol-4-sulfonic acid, 1-Amino-4-sulfo-2-naphthol. Our catalogue number for this item is ZX-009800.
What are the formula and molar mass of 1-Amino-2-naphthol-4-sulphonic acid, GR 98%+?
For 1-Amino-2-naphthol-4-sulphonic acid, GR 98%+, 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, GR 98%+?
This listing is AR grade with ≥98% purity. Standard packs are 25 g, 100 g, 500 g, 1 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with 1-Amino-2-naphthol-4-sulphonic acid, GR 98%+?
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, GR 98%+ to my country?
Yes. Because 1-Amino-2-naphthol-4-sulphonic acid, GR 98%+ 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.

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