Diglycolyl chloride
Diglycolyl chloride (CAS 21062-20-4), with the linear formula O(CH2COCl)2 and a molecular weight of 170.98 g/mol, is a reactive organic compound. As an acid halide, it serves as a valuable building block in chemical synthesis. Its primary applications lie in organic synthesis, acting as a difunctional intermediate for the introduction of the diglycolyl moiety into various molecular structures. Available from Tech Serve Solutions, it is supplied at a 95% assay.
- IUPAC
- 2,2′-Oxydiacetyl chloride
- Synonyms
- 2,2′-Oxydiacetyl chloride

Organic Synthesis Intermediate
Diglycolyl chloride is utilised as a key intermediate in the synthesis of complex organic molecules. Its reactive acid chloride groups readily participate in acylation reactions, enabling the formation of ester, amide, and anhydride linkages.
Polymer Chemistry
This compound can be employed in polymer chemistry for the modification of polymer chains or the synthesis of novel polymeric materials. It allows for the incorporation of ether linkages along with reactive end groups.
Pharmaceutical Intermediate
As a building block, diglycolyl chloride may find application in the multi-step synthesis of pharmaceutical agents. Its structure offers a versatile scaffold for drug discovery and development.
| Molecular weight | 170.98 |
|---|---|
| Linear formula | O(CH2COCl)2 |
| Assay | 95% |
| Boiling point | 84-87 °C/2 mmHg(lit.) |
| Density | 1.439 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.473(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Diglycolyl chloride used for?
+
Diglycolyl chloride is primarily used as an intermediate and building block in organic synthesis, including potentially in polymer and pharmaceutical chemistry, to introduce the diglycolyl moiety.
What is the CAS number and formula for Diglycolyl chloride?
+
The CAS number for Diglycolyl chloride is 21062-20-4, and its linear formula is O(CH2COCl)2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Diglycolyl chloride with an assay of 95%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should Diglycolyl chloride be handled safely?
+
Diglycolyl chloride is classified as Danger, causing severe skin burns and eye damage (H314). Appropriate personal protective equipment, including full-face respirators, gloves, and eye protection, is mandatory. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing. Immediate medical attention is required in case of exposure.
How is Diglycolyl chloride packed and exported?
+
Diglycolyl chloride is shipped as UN 3265, Class 8, Packing Group II, according to ADR regulations. TSS handles the export of chemicals professionally, adhering to all relevant international shipping standards.
How can I request a quote or sample?
+
To request a quote or a sample of Diglycolyl chloride, please contact the Tech Serve Solutions sales team via our website or direct contact details.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis