LAURENT ACID [5-Aminonaphthalene-1-sulfonic a… 84-89-9

About LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90%

LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [] is an organosulfur compound in Technical grade carrying the CAS registry number 84-89-9 at a purity of 90%. The compound has the formula C10H9NO3S, corresponding to a molecular weight of 223.25 g/mol. The IUPAC name is 5-aminonaphthalene-1-sulfonic acid. Common synonyms include 1-Naphthylamine-5-sulfonic acid and Laurent acid.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [] in 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90%
Catalogue No.	VQ-020057
CAS Number	84-89-9
IUPAC name	5-aminonaphthalene-1-sulfonic acid
Molecular formula	C₁₀H₉NO₃S
Molecular weight	223.25 g/mol
Exact mass	223.0303
Grade	Technical
Purity / assay	90%
HSN code	2933
InChIKey	DQNAQOYOSRJXFZ-UHFFFAOYSA-N
SMILES	C1=CC2=C(C=CC=C2S(=O)(=O)O)C(=C1)N
PubChem CID	6793

Physical properties
Physical form	Other
LogP (XLogP3)	1.4
H-bond donors / acceptors	2 / 4
TPSA	88.8 Å²
Synonyms	1-Naphthylamine-5-sulfonic acid, Laurent acid, 1-Amino-5-sulfonaphthalene, 5-Naphthylamine-1-sulfonic acid, 1-Amino-5-naphthalenesufonic acid, Laurent's acid, 1-Naphthalenesulfonic acid, 5-amino-, 1-Aminonaphthalene-5-sulfonic acid, 5-Sulfo-1-naphthylamine, 1-aminonaphthalene-5-sulphonic acid, 5-aminonaphthalenesulfonic acid, 5-Aminonaphthalene-1-sulphonic acid

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled

Precautionary statements: 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, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90%?

The CAS Registry Number of LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90% is 84-89-9. It is also known as 1-Naphthylamine-5-sulfonic acid, Laurent acid, 1-Amino-5-sulfonaphthalene.

What is the molecular formula and molecular weight of LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90%?

LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90% has the molecular formula C10H9NO3S and a molecular weight of 223.25 g/mol. Its IUPAC name is 5-aminonaphthalene-1-sulfonic acid.

Which grade and pack sizes of LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90% can I order?

We supply LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90% in Technical (90%) grade, in 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90%?

Yes. Every lot of LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90% be shipped internationally?

Yes. LAURENT ACID [5-Aminonaphthalene-1-sulfonic acid] ~90% tech. [], technical grade 90% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.