1,4-Dichloro-2-butyne (CAS 821-10-3) — formula C4H4Cl2, molecular weight 122.98; category organic chemicals.
1,4-Dichloro-2-butyne (CAS 821-10-3) is a chemical raw material in the organic chemicals category. Its molecular formula C4H4Cl2 comprises 4 C, 4 H, 2 Cl atoms. Its molecular weight is about 122.98. Reported physicochemical data: LogP about 2.01. 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 | 821-10-3 |
|---|---|
| Molecular Formula | C4H4Cl2 |
| Molecular Weight | 122.98 |
| LogP | 2.01 |
| Applications | 2-Butyne, 4-dichloro-: ACTIVE |
| Category | Organic Chemicals |
Documented applications: 2-Butyne, 4-dichloro-: ACTIVE.
1,4-Dichloro-2-butyne is a carbon-based organic compound with CAS registry number 821-10-3 and molecular formula C4H4Cl2 (molecular weight 122.98), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 821-10-3
Its molecular formula C4H4Cl2 comprises 4 C, 4 H, 2 Cl atoms.
Also known as: 1,4-Dichloro-2-butyne · 1,4-二氯-2-丁炔
Category: organic chemicals
The CAS registry number of 1,4-Dichloro-2-butyne is 821-10-3.
Molecular formula C4H4Cl2, molecular weight 122.98.
It is also registered under: 1,4-Dichloro-2-butyne, 1,4-二氯-2-丁炔.
Recorded applications: 2-Butyne, 4-dichloro-: ACTIVE.
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 1,4-Dichloro-2-butyne (CAS 821-10-3), compiled from public chemistry databases.
| CAS Registry Number | 821-10-3 |
|---|---|
| PubChem CID | 13182 |
| Molecular formula | C4H4Cl2 |
| IUPAC name | 1,4-dichlorobut-2-yne |
| UNII (FDA) | 9QW8CV4W9J |
| Molecular Weight | 122.98 |
|---|---|
| XLogP3 | 2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 121.9690055 |
| Monoisotopic Mass | 121.9690055 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 6 |
| Vapor Pressure | 1.86 [mmHg] |
|---|---|
| LogP | 2.01 |
1,4-DICHLORO-2-BUTYNE; 821-10-3; 2-Butyne, 1,4-dichloro-; EINECS 212-474-8; NSC 30603; BRN 0635740; AI3-26930; 4-01-00-00973 (Beilstein Handbook Reference); DTXSID0061165; 1,4Dichlorobutyne; 1,4Dichlorobut2yne; 2Butyne, 1,4dichloro; RefChem:73228; DTXCID0048264; RCHDLEVSZBOHOS-UHFFFAOYSA-N; 1,4-Dichlorobut-2-yne
| Reported hazard statements | H301 (11.1%), H315 (100%), H319 (100%), H335 (95.6%) |
|---|
H301 (11.1%): Toxic if swallowed [Danger Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
1,4-Dichloro-2-butyne · CAS 821-10-3 · C4H4Cl2. UNII 9QW8CV4W9J. Vapor Pressure: 1.86 [mmHg]; LogP: 2.01.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 1,4-二氯-2-丁炔