2,5-Dihydroxy-1,4-dithiane, 97%+

Name: 2,5-Dihydroxy-1,4-dithiane, 97%+
Brand: Vaqora Chemicals
SKU: VQ-012279

About 2,5-Dihydroxy-1,4-dithiane, 97%+

2,5-Dihydroxy-1,4-dithiane (CAS 40018-26-6) is a sulfur heterocycle offered by Vaqora Chemicals in Puriss grade at a purity of ≥97%. With the molecular formula C4H8O2S2, it has a molar mass of 152.2 g/mol. Systematically, it is named 1,4-dithiane-2,5-diol. Alternative names: Mercaptoacetaldehyde dimer and p-Dithiane-2,5-diol.

It is supplied as a white to orange to green powder to solid to chunks to chips. Reported physical data include a melting point of 130 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 g, 500 g, 1 kg and 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,5-Dihydroxy-1,4-dithiane, 97%+
Catalogue No.	VQ-012279
CAS Number	40018-26-6
IUPAC name	1,4-dithiane-2,5-diol
Molecular formula	C₄H₈O₂S₂
Molecular weight	152.2 g/mol
Exact mass	151.9966
Grade	Puriss
Purity / assay	≥97%
HSN code	29349900
InChIKey	YUIOPHXTILULQC-UHFFFAOYSA-N
SMILES	C1C(SCC(S1)O)O
PubChem CID	98330

Physical properties
Physical form	Powder
Appearance	White to orange to green powder to solid to chunks to chips
Melting point	130 °C
LogP (XLogP3)	0.3
H-bond donors / acceptors	2 / 4
TPSA	91.1 Å²
Synonyms	Mercaptoacetaldehyde dimer, 2,5-Dihydroxy-1,4-dithiane, p-Dithiane-2,5-diol, 4-dithiane-2,5-diol, [1,4]dithiane-2,5-diol, 2,5-Dihydroxy-1,4-dithian, mercapto acetaldehyde, 1,4dithiane-2,5diol, 1,4-dithian-2,5-diol, 1,4 dithiane-2,5 diol, 1,4 dithiane-2,5-diol, [1,4]-dithiane-2,5-diol

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P272, P273, P280, P301 + P317, P302 + P352, P305 + P354 + P338, P317, P321, P330, P333 + P317, P362 + P364, 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 2,5-Dihydroxy-1,4-dithiane, 97%+?

The CAS Registry Number of 2,5-Dihydroxy-1,4-dithiane, 97%+ is 40018-26-6. It is also known as Mercaptoacetaldehyde dimer, 2,5-Dihydroxy-1,4-dithiane, p-Dithiane-2,5-diol.

What is the molecular formula and molecular weight of 2,5-Dihydroxy-1,4-dithiane, 97%+?

2,5-Dihydroxy-1,4-dithiane, 97%+ has the molecular formula C4H8O2S2 and a molecular weight of 152.2 g/mol. Its IUPAC name is 1,4-dithiane-2,5-diol.

Which grade and pack sizes of 2,5-Dihydroxy-1,4-dithiane, 97%+ can I order?

We supply 2,5-Dihydroxy-1,4-dithiane, 97%+ in Puriss (≥97%) grade, in 100 g, 500 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,5-Dihydroxy-1,4-dithiane, 97%+?

Yes. Every lot of 2,5-Dihydroxy-1,4-dithiane, 97%+ 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 2,5-Dihydroxy-1,4-dithiane, 97%+ be shipped internationally?

Yes. 2,5-Dihydroxy-1,4-dithiane, 97%+ 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.