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VAQORAPhenols & NaphtholsAvailable on request
4-Chlorocatechol
Synonyms: 4-Chloropyrocatechol · 4-Chloro-1,2-benzenediol · 1,2-Benzenediol, 4-chloro- · Pyrocatechol, 4-chloro-
CAS No.2138-22-9
FormulaC6H5ClO2
Mol. weight144.55
Catalogue No.VQ-035617
PurityOn COA
HSN—
4-Chlorocatechol (CAS 2138-22-9) – phenolic building block. C6H5ClO2, MW 144.55. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About 4-Chlorocatechol
4-Chlorocatechol is a phenolic building block carrying the CAS registry number 2138-22-9. The compound has the formula C6H5ClO2, corresponding to a molecular weight of 144.55 g/mol. The IUPAC name is 4-chlorobenzene-1,2-diol. Common synonyms include 4-Chloropyrocatechol and 4-Chloro-1,2-benzenediol.
Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.
It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.
Available in 100 mg, 250 mg, 1 g and 5 g packs, 4-Chlorocatechol is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.
Specifications & identifiers
| Product name | 4-Chlorocatechol |
|---|---|
| Catalogue No. | VQ-035617 |
| CAS Number | 2138-22-9 |
| IUPAC name | 4-chlorobenzene-1,2-diol |
| Molecular formula | C6H5ClO2 |
| Molecular weight | 144.55 g/mol |
| Exact mass | 143.9978 |
| InChIKey | WWOBYPKUYODHDG-UHFFFAOYSA-N |
| SMILES | C1=CC(=C(C=C1Cl)O)O |
| PubChem CID | 16496 |
| Physical form | Other |
|---|---|
| LogP (XLogP3) | 2.3 |
| H-bond donors / acceptors | 2 / 2 |
| TPSA | 40.5 Ų |
| Synonyms | 4-Chloropyrocatechol, 4-Chloro-1,2-benzenediol, 1,2-Benzenediol, 4-chloro-, Pyrocatechol, 4-chloro-, 4-Chloro-benzene-1,2-diol, 4-Chloro-Pyrocatechol, 3,4-Dihydroxychlorobenzene, 4CL, 4-Chloro-1,2-benzenediol # |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H314Causes severe skin burns and eye damage
Precautionary statements: P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of 4-Chlorocatechol?
The CAS Registry Number of 4-Chlorocatechol is 2138-22-9. It is also known as 4-Chloropyrocatechol, 4-Chloro-1,2-benzenediol, 1,2-Benzenediol, 4-chloro-.
What is the molecular formula and molecular weight of 4-Chlorocatechol?
4-Chlorocatechol has the molecular formula C6H5ClO2 and a molecular weight of 144.55 g/mol. Its IUPAC name is 4-chlorobenzene-1,2-diol.
Which grade and pack sizes of 4-Chlorocatechol can I order?
We supply 4-Chlorocatechol, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with 4-Chlorocatechol?
Yes. Every lot of 4-Chlorocatechol 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 4-Chlorocatechol be shipped internationally?
Yes. 4-Chlorocatechol 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.
Enquire about 4-Chlorocatechol
We reply within one business day with price, pack options, lead time and documentation.
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