Hexetidine EP Impurity D

Name: Hexetidine EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-035483

About Hexetidine EP Impurity D

Vaqora Chemicals supplies Hexetidine EP Impurity D, a pharmacopeial impurity of Hexetidine registered under CAS number 81-04-9. Its molecular formula is C10H8O6S2 and its molecular weight is 288.3 g/mol. Systematically, it is named naphthalene-1,5-disulfonic acid. It is also known as Hexetidine - Impurity D or Armstrong's acid.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Hexetidine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Hexetidine EP Impurity D is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Hexetidine

View every impurity, metabolite and intermediate we list for Hexetidine.

Hexetidine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Hexetidine EP Impurity D
Catalogue No.	VQ-035483
CAS Number	81-04-9
IUPAC name	naphthalene-1,5-disulfonic acid
Molecular formula	C₁₀H₈O₆S₂
Molecular weight	288.3 g/mol
Exact mass	287.9762
Grade	Reference Standard
HSN code	38229090
InChIKey	XTEGVFVZDVNBPF-UHFFFAOYSA-N
SMILES	C1=CC2=C(C=CC=C2S(=O)(=O)O)C(=C1)S(=O)(=O)O
PubChem CID	6666

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	2 / 6
TPSA	126 Å²
Synonyms	Hexetidine - Impurity D, Armstrong's acid, Armstrong's S acid, 1,5-Naphthylene disulfonic acid, Naphthalene-1,5-disulphonic acid, 1,5-Naphthalene Disulfonic Acid, 1,5-NaphthalenedisulfonicAcid, 1,5 naphthalenedisulfonic acid, 1,5-napthalene disulfonic acid, 1,5-naphthalenedisulphonic acid, naphthalene 1,5-disulfonic acid, 1,5-naphthalene disulphonic acid

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H318Causes serious eye damage

Precautionary statements: P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, 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 Hexetidine EP Impurity D?

The CAS Registry Number of Hexetidine EP Impurity D is 81-04-9. It is also known as Hexetidine - Impurity D, Armstrong's acid, Armstrong's S acid.

What is the molecular formula and molecular weight of Hexetidine EP Impurity D?

Hexetidine EP Impurity D has the molecular formula C10H8O6S2 and a molecular weight of 288.3 g/mol. Its IUPAC name is naphthalene-1,5-disulfonic acid.

What is Hexetidine EP Impurity D used for?

Hexetidine EP Impurity D is supplied as a characterised reference material related to Hexetidine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Hexetidine EP Impurity D can I order?

We supply Hexetidine EP Impurity D in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hexetidine EP Impurity D?

Yes. Every lot of Hexetidine EP Impurity D 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 Hexetidine EP Impurity D be shipped internationally?

Yes. Hexetidine EP Impurity D 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.