Gentisic Acid Sodium Salt Hydrate

Name: Gentisic Acid Sodium Salt Hydrate
Brand: Vaqora Chemicals
SKU: VQ-049622

About Gentisic Acid Sodium Salt Hydrate

Gentisic Acid Sodium Salt Hydrate (CAS 4955-90-2) is an impurity of Methotrexate offered by Vaqora Chemicals. Formula C7H5NaO4, molecular weight 176.1 g/mol. The IUPAC name is sodium 2,5-dihydroxybenzoate. It is also known as Benzoic acid, 2,5-dihydroxy-, monosodium salt or Sodium gentisate.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Methotrexate, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Methotrexate

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

Methotrexate impurities

Specifications & identifiers

Chemical identifiers
Product name	Gentisic Acid Sodium Salt Hydrate
Catalogue No.	VQ-049622
CAS Number	4955-90-2
IUPAC name	sodium 2,5-dihydroxybenzoate
Molecular formula	C₇H₅NaO₄
Molecular weight	176.1 g/mol
Exact mass	176.0086
Grade	Reference Standard
HSN code	38229090
InChIKey	MOIJZWWOFOQFMH-UHFFFAOYSA-M
SMILES	C1=CC(=C(C=C1O)C(=O)[O-])O.[Na+]
PubChem CID	23663629

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 4
TPSA	80.6 Å²
Synonyms	Benzoic acid, 2,5-dihydroxy-, monosodium salt, Benzoic acid, 2,5-dihydroxy-, sodium salt (1:1), Sodium gentisate, Gentisic acid sodium salt, Legential, 5-Hydroxysalicylate sodium, Natrii gentisas, Gentisato sodico, Gentisate de sodium, Gentalpin, Gentasol, Gentidol

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 Gentisic Acid Sodium Salt Hydrate?

The CAS Registry Number of Gentisic Acid Sodium Salt Hydrate is 4955-90-2. It is also known as Benzoic acid, 2,5-dihydroxy-, monosodium salt, Benzoic acid, 2,5-dihydroxy-, sodium salt (1:1), Sodium gentisate.

What is the molecular formula and molecular weight of Gentisic Acid Sodium Salt Hydrate?

Gentisic Acid Sodium Salt Hydrate has the molecular formula C7H5NaO4 and a molecular weight of 176.1 g/mol. Its IUPAC name is sodium 2,5-dihydroxybenzoate.

What is Gentisic Acid Sodium Salt Hydrate used for?

Gentisic Acid Sodium Salt Hydrate is supplied as a characterised reference material related to Methotrexate. 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 Gentisic Acid Sodium Salt Hydrate can I order?

We supply Gentisic Acid Sodium Salt Hydrate 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 Gentisic Acid Sodium Salt Hydrate?

Yes. Every lot of Gentisic Acid Sodium Salt Hydrate 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 Gentisic Acid Sodium Salt Hydrate be shipped internationally?

Yes. We export Gentisic Acid Sodium Salt Hydrate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.