Basic information
- CAS
84-89-9- Standard SMILES
Nc1cccc2c(S(=O)(=O)O)cccc12- InChIKey
DQNAQOYOSRJXFZ-UHFFFAOYSA-N- Molecular formula
- C10H9NO3S
- Average molar mass
- 223.25 g/mol
- Monoisotopic mass
- 223.03031432
Overview
5-Amino-1-naphthalenesulfonic acid is a naphthalenesulfonic acid.
Names & identifiers
- Preferred name
- Laurent acid
- IUPAC
- 5-aminonaphthalene-1-sulfonic acid
- English name
- 5-Amino-1-naphthalenesulfonic acid
- Molecular formula
- C10H9NO3S
- Molecular weight
- 223.25
Names & synonyms
84-89-95-aminonaphthalene-1-sulfonic acid1-Naphthylamine-5-sulfonic acidLaurent acid1-Amino-5-sulfonaphthalene5-Naphthylamine-1-sulfonic acid1-Amino-5-naphthalenesufonic acidW70WC365ODNSC-7553NSC-28691RefChem:76544201-571-0
Show more names
laurentacidLaurens AcidLAURENTS ACID1,5-AMINO ACIDLABOTEST-BB LT01138428Laurent Acid(1.5 cleves acid)
5-AMINO-1-NAPHTHALENESULFONIC ACIDLaurent's acid1-Naphthalenesulfonic acid, 5-amino-1-Aminonaphthalene-5-sulfonic acidMFCD00014315NSC 286911-Aminonaphtalene-5-sulfonic acid5-Sulfo-1-naphthylamine
Database identifiers
- CAS
84-89-9- PubChem CID
- 6793
- DTXSID
DTXSID7058911- ChEMBL
CHEMBL589370- ChEBI
CHEBI:183820- UNII
- W70WC365OD
Properties
Computed structural properties
- XLogP
- 1.4
- Topological polar surface area
- 88.8 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 4
- Rotatable bonds
- 1
- Heavy atoms
- 15
- Formal charge
- 0
- Complexity
- 322
Experimental & physicochemical properties
DrugsPharmaceuticals -> Listed in ZINC15
Physicochemical properties
- Melting point
- 300 °C · >300°C
- Boiling point
- 220 °C · 220°C (rough estimate)
- Density
- 1.3588 · 1.3588 (rough estimate)
- refractive index
- 1.65 · 1.6500 (estimate)
- solubility
- Aqueous Base (Slightly), DMSO (Slightly)
- pka
- 1 · pK1: 3.69 (25°C)
- form
- powder to crystal
- color
- Purple to Dark purple to Dark red
- Water Solubility
- Soluble in hot water.
- Merck
- 14 · 14,6404
- BRN
- 2214149 · 2214149
- InChI
- 1S/C10H9NO3S/c11-9-5-1-4-8-7(9)3-2-6-10(8)15(12,13)14/h1-6H,11H2,(H,12,13,14)
- InChIKey
- DQNAQOYOSRJXFZ-UHFFFAOYSA-N
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 16.1% (9 of 56) of reports.
Danger
H312 (73.2%): Harmful in contact with skin [Warning Acute toxicity, dermal]
P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P321, P332+P317, P337+P317, P362+P364, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 56 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory InformationREACH registered substance: 5-aminonaphthalene-1-sulphonic acid (EC: 201-571-0)
Hazard Classes and CategoriesAcute Tox. 4 (73.2%)
Safety data
- PPE
- Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
- wgk
- 3
- tsca
- TSCA listed
- rtecs
- QK1270500
- ridadr
- UN 2585 8/PG 3
- hs_code
- 2921.45.2000
- risk_code
- 20/21/22-34
- Signal word
- Danger
- Symbol(GHS)
- GHS05,GHS07
- hazard_code
- C
- safety_code
- 26-36/37/39-45
- hazard_class
Chemistry & industry
Uses & manufacturing
General Manufacturing Information1-Naphthalenesulfonic acid, 5-amino-: ACTIVE
Applications
UsesIntermediate of dyestuff
Uses5-Aminonaphthalene-1-sulfonic acid is an deriva- tizing agents in the precolumn derivatization of some chiral phenoxy acid. Cu(II) based on a dansyl derivative was synthesized with 29.2% overall yield by a seven-step synthetic procedure from the readily available starting material 5-aminonaphthalene-1-sulfonic acid.
Upstream & downstream products
Upstream raw materials
Downstream products
Related reactions
3 records
Compound notes
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