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Sulfur Compounds (Thiols, Sulfides, Sulfonates)

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

Extra PureAvailable on request

Order 1-Amino-2-naphthol-4-sulphonic acid, 98% (CAS 116-63-2) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
1-Amino-2-naphthol-4-sulphonic acid, 98% chemical structure
CAS number116-63-2
FormulaC10H9NO4S
Molar mass239.25 g/mol
Physical formPowder
HS code29222130
Purity98%
InChIKeyRXCMFQDTWCCLBL-UHFFFAOYSA-N
IUPAC name4-amino-3-hydroxynaphthalene-1-sulfonic acid

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

1-Amino-2-naphthol-4-sulphonic acid, 98% sits in our sulfur Compounds (Thiols, Sulfides, Sulfonates) section and ships worldwide from stock or short lead time. Identity at a glance (Extra Pure): CAS 116-63-2, formula C10H9NO4S and molar mass 239.25 g/mol. Typical appearance is white to light pink to brown powder.

Where it is used

  • Organic synthesis
  • API synthesis

Safe handling

Literature values: 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.

Standard pack sizes are 25 g, 100 g, 500 g, 1 kg and 4 x 25 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Extra Pure Grade

Specifications and identifiers

Specifications of 1-Amino-2-naphthol-4-sulphonic acid, 98%
Product name1-Amino-2-naphthol-4-sulphonic acid, 98%
Catalogue numberZX-009799
CAS number116-63-2
IUPAC name4-amino-3-hydroxynaphthalene-1-sulfonic acid
Molecular formulaC10H9NO4S
Molar mass239.25 g/mol
Exact mass239.0252
GradeExtra Pure
Purity / assay98%
Physical formPowder
AppearanceWhite to light pink to brown powder
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, 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, 98%

Which CAS number identifies 1-Amino-2-naphthol-4-sulphonic acid, 98%?
1-Amino-2-naphthol-4-sulphonic acid, 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-009799.
What are the formula and molar mass of 1-Amino-2-naphthol-4-sulphonic acid, 98%?
For 1-Amino-2-naphthol-4-sulphonic acid, 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, 98%?
This listing is Extra Pure 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, 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, 98% to my country?
Yes. Because 1-Amino-2-naphthol-4-sulphonic acid, 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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