trans-3,6-Endomethylene-1,2,3,6-tetrahydrophthaloyl chloride
Tech Serve Solutions offers trans-3,6-Endomethylene-1,2,3,6-tetrahydrophthaloyl chloride (CAS: 4582-21-2), a vital organic building block with the molecular formula C9H8Cl2O2. This compound serves as a key intermediate in chemical synthesis and is extensively used in materials science, particularly in the development of novel polymers. Its reactive nature makes it suitable for a range of chemical transformations, contributing to advancements in various industrial applications.
- IUPAC
- trans-5-Norbornene-2,3-dicarbonyl chloride
- Synonyms
- 3,6-tetrahydrophthaloyl chloridetrans-5-Norbornene-2,3-dicarbonyl chloride

Polymer Science
This compound functions as a monomer in the synthesis of advanced polymers, contributing unique structural properties to the resulting materials. It is particularly relevant in the field of norbornene monomers for creating polymers with enhanced thermal and mechanical characteristics.
Organic Synthesis
As an acid halide, it is a valuable reagent in organic synthesis for introducing the endomethylene-tetrahydrophthaloyl moiety into various molecular structures. This is crucial for the preparation of complex organic molecules and intermediates.
Materials Science Research
Its utility extends to materials science research, where it can be employed to develop novel materials with specific functionalities. The compound's structure allows for versatile derivatization, enabling tailored material properties.
| Molecular weight | 219.06 |
|---|---|
| Empirical formula | C9H8Cl2O2 |
| Assay | 97% |
| Boiling point | 114-118 °C/11 mmHg(lit.) |
| Density | 1.349 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.517(lit.) |


Hazard statements
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H332Harmful if inhaled
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) | 20/21/22-34 |
| Safety statements (S) | 23-26-28-36/37/39-45 |
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 trans-3,6-Endomethylene-1,2,3,6-tetrahydrophthaloyl chloride primarily used for?
+
This compound is primarily used as an organic building block in chemical synthesis, particularly in polymer science and materials science research for the development of novel polymers and complex organic structures.
What are the CAS number and molecular formula for trans-3,6-Endomethylene-1,2,3,6-tetrahydrophthaloyl chloride?
+
The CAS number is 4582-21-2, and the molecular formula is C9H8Cl2O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical with an assay of 97%. We do not represent it as USP, BP, or EP grade.
How should trans-3,6-Endomethylene-1,2,3,6-tetrahydrophthaloyl chloride be handled safely?
+
This compound is dangerous and can cause severe skin burns and eye damage, and is harmful if inhaled or swallowed. Always handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area. Refer to the safety data sheet for comprehensive handling instructions.
Is this chemical packed, shipped, and exported globally by TSS?
+
Yes, Tech Serve Solutions specialises in the global supply, export, and export of fine chemicals like trans-3,6-Endomethylene-1,2,3,6-tetrahydrophthaloyl chloride.
How can I request a sample or quote for this product?
+
To request a sample or obtain a quote for trans-3,6-Endomethylene-1,2,3,6-tetrahydrophthaloyl chloride, please contact our sales team directly through the website or by phone.
▶ 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