H acid

Name: H acid
Brand: Vaqora Chemicals
SKU: VQ-010880

About H acid

H acid (CAS 5460-09-3) is an organosulfur compound offered by Vaqora Chemicals with a typical assay of 75%. Its molecular formula is C10H8NNaO7S2 and its molecular weight is 341.3 g/mol. The IUPAC name is sodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate. Alternative names: H acid monosodium salt and Monosodium 8-amino-1-naphthol-3,6-disulfonate.

It is supplied as a dark-brown solid. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer H acid in 5 g, 25 g, 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	H acid
Catalogue No.	VQ-010880
CAS Number	5460-09-3
IUPAC name	sodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate
Molecular formula	C₁₀H₈NNaO₇S₂
Molecular weight	341.3 g/mol
Exact mass	340.964
Purity / assay	75%
HSN code	2922
InChIKey	QPILZZVXGUNELN-UHFFFAOYSA-M
SMILES	C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])N)O)S(=O)(=O)O.[Na+]
PubChem CID	23664361

Physical properties
Physical form	Solid
Appearance	Dark-brown solid
H-bond donors / acceptors	3 / 8
TPSA	175 Å²
Synonyms	H acid monosodium salt, 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Monosodium Salt, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, monosodium salt, 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt, Monosodium 8-amino-1-naphthol-3,6-disulfonate, Monosodium 4-Amino-5-hydroxy-2,7-naphthalenedisulfonate, 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, monosodium, 4-Amino-5-hydroxynaphthalene-2,7-disulphonic acid, sodium salt, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, sodium salt (1:1), Sodium 4-Amino-5-hydroxy-2,7-naphthalenedisulfonate, 1-Amino-8-naphthol-3,6-disulfonic Acid Monosodium Salt, xSodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

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

Other grades of CAS 5460-09-3

8-Amino-1-naphthol-3,6-disulphonic acid

CAS: 5460-09-3
Formula: C₁₀H₈NNaO₇S₂
MW: 341.3 g/mol

VQ-010808

Frequently asked questions

What is the CAS number of H acid?

The CAS Registry Number of H acid is 5460-09-3. It is also known as H acid monosodium salt, 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid Monosodium Salt, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, monosodium salt.

What is the molecular formula and molecular weight of H acid?

H acid has the molecular formula C10H8NNaO7S2 and a molecular weight of 341.3 g/mol. Its IUPAC name is sodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate.

Which grade and pack sizes of H acid can I order?

We supply H acid in (75%) grade, in 5 g, 25 g, 100 g, 500 g, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with H acid?

Yes. Every lot of H acid 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 H acid be shipped internationally?

Yes. H acid 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.