Glyoxal bis-(2-hydroxyanil), 98%

About Glyoxal bis-(2-hydroxyanil), 98%

Glyoxal bis-(2-hydroxyanil) is an indicator (AR grade) carrying the CAS registry number 1149-16-2 at a purity of 98%. The compound has the formula C14H12N2O2, corresponding to a molecular weight of 240.26 g/mol. Its systematic (IUPAC) name is 2-[2-(2-hydroxyphenyl)iminoethylideneamino]phenol. Alternative names: GBHA and 2,2'-(ethanediylidenedinitrilo)diphenol.

It is supplied as white to light yellow powder to crystals. Key physical data: a melting point of 203-211 °C. Keep the container tightly sealed and store it in a cool, dry area. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is commonly used for titration end-point detection, pH determination, analytical testing and indicator for titrations. Buyers come mainly from academic and industrial research.

Available in 5 g, 10 g, 25 g and 6 x 25 g packs, Glyoxal bis-(2-hydroxyanil) is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Indicator for titrations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Glyoxal bis-(2-hydroxyanil), 98%
Catalogue No.	VQ-000368
CAS Number	1149-16-2
IUPAC name	2-[2-(2-hydroxyphenyl)iminoethylideneamino]phenol
Molecular formula	C₁₄H₁₂N₂O₂
Molecular weight	240.26 g/mol
Exact mass	240.0899
Grade	AR
Purity / assay	98%
HSN code	29252990
InChIKey	FZKAPSZEPRQQGK-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)N=CC=NC2=CC=CC=C2O)O
PubChem CID	96335

Physical properties
Physical form	Crystalline
Appearance	White to light yellow powder to crystals
Melting point	203-211 °C
LogP (XLogP3)	2.6
H-bond donors / acceptors	2 / 4
TPSA	65.2 Å²
Synonyms	GBHA, 2,2'-(ethanediylidenedinitrilo)diphenol, calcium red, Glyoxalbis(2-hydroxyanil), Glyoxal-bis(2-hydroxyanil), Glyoxal bis(2-hydroxyanil), Phenol, 2,2'-(1,2-ethanediylidenedinitrilo)bis-, Glyoxal-bis-(2-hydroxyanil), 2,2'-(Ethane-1,2-diylidenebis(azanylylidene))diphenol, Glyoxal bis(o-hydroxyanil), Glyoxal bis(2-hydroxyaniline), Glyoxylidenebis(2-hydroxyaniline)

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 Glyoxal bis-(2-hydroxyanil), 98%?

The CAS Registry Number of Glyoxal bis-(2-hydroxyanil), 98% is 1149-16-2. It is also known as GBHA, 2,2'-(ethanediylidenedinitrilo)diphenol, calcium red.

What is the molecular formula and molecular weight of Glyoxal bis-(2-hydroxyanil), 98%?

Glyoxal bis-(2-hydroxyanil), 98% has the molecular formula C14H12N2O2 and a molecular weight of 240.26 g/mol. Its IUPAC name is 2-[2-(2-hydroxyphenyl)iminoethylideneamino]phenol.

Which grade and pack sizes of Glyoxal bis-(2-hydroxyanil), 98% can I order?

We supply Glyoxal bis-(2-hydroxyanil), 98% in AR (98%) grade, in 5 g, 10 g, 25 g, 6 x 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Glyoxal bis-(2-hydroxyanil), 98%?

Yes. Every lot of Glyoxal bis-(2-hydroxyanil), 98% 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 Glyoxal bis-(2-hydroxyanil), 98% be shipped internationally?

Yes. We export Glyoxal bis-(2-hydroxyanil), 98% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.