4-chloropyrocatechol (CAS 2138-22-9) — formula C6H5ClO2, molecular weight 144.55; category organic chemicals.
4-chloropyrocatechol (CAS 2138-22-9) is a chemical raw material in the organic chemicals category. Its molecular formula C6H5ClO2 comprises 6 C, 5 H, 1 Cl, 2 O atoms. Its molecular weight is about 144.55. Reported physicochemical data: melting point around 90.5 °C, LogP about 2.3. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 2138-22-9 |
|---|---|
| Molecular Formula | C6H5ClO2 |
| Molecular Weight | 144.55 |
| Melting Point | 90.5 °C |
| LogP | 2.3 |
| Category | Organic Chemicals |
4-chloropyrocatechol is a carbon-based organic compound with CAS registry number 2138-22-9 and molecular formula C6H5ClO2 (molecular weight 144.55), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 2138-22-9
Its molecular formula C6H5ClO2 comprises 6 C, 5 H, 1 Cl, 2 O atoms.
Also known as: 4-chloropyrocatechol · 4-氯邻邻苯二酚
Category: organic chemicals
The CAS registry number of 4-chloropyrocatechol is 2138-22-9.
Molecular formula C6H5ClO2, molecular weight 144.55.
It is also registered under: 4-chloropyrocatechol, 4-氯邻邻苯二酚.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 4-chloropyrocatechol (CAS 2138-22-9), compiled from public chemistry databases.
| CAS Registry Number | 2138-22-9 |
|---|---|
| PubChem CID | 16496 |
| Molecular formula | C6H5ClO2 |
| IUPAC name | 4-chlorobenzene-1,2-diol |
| UNII (FDA) | I01EXU3P3J |
| Molecular Weight | 144.55 |
|---|---|
| XLogP3 | 2.3 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 143.9978071 |
| Monoisotopic Mass | 143.9978071 |
| Topological Polar Surface Area | 40.5 |
| Heavy Atom Count | 9 |
| Melting Point | 90.5 °C |
|---|
4-Chlorocatechol; 4-chlorobenzene-1,2-diol; 2138-22-9; 4-Chloropyrocatechol; 4-Chloro-1,2-benzenediol; 1,2-Benzenediol, 4-chloro-; Pyrocatechol, 4-chloro-; I01EXU3P3J; DTXSID7022176; CHEBI:27772; RefChem:521976; DTXCID902176; 218-381-9; 4-Chloro catechol; 4-CHLORO-1,2-DIHYDROXYBENZENE; 4-Chloro-benzene-1,2-diol
| Reported hazard statements | H314 (100%) |
|---|
H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)
4-chloropyrocatechol · CAS 2138-22-9 · C6H5ClO2. UNII I01EXU3P3J. Melting Point: 90.5 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 4-氯邻邻苯二酚