Dimethyl acetylenedicarboxylate (CAS 762-42-5) — formula C6H6O4, molecular weight 142.11; category organic chemicals.
Dimethyl acetylenedicarboxylate (CAS 762-42-5) is a chemical raw material in the organic chemicals category. Its molecular formula C6H6O4 comprises 6 C, 6 H, 4 O atoms. Its molecular weight is about 142.11. Reported physicochemical data: LogP about 0.8. 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 | 762-42-5 |
|---|---|
| Molecular Formula | C6H6O4 |
| Molecular Weight | 142.11 |
| LogP | 0.8 |
| Applications | 2-Butynedioic acid, 4-dimethyl ester: ACTIVE |
| Category | Organic Chemicals |
Documented applications: 2-Butynedioic acid, 4-dimethyl ester: ACTIVE.
Dimethyl acetylenedicarboxylate is a carbon-based organic compound with CAS registry number 762-42-5 and molecular formula C6H6O4 (molecular weight 142.11), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 762-42-5
Its molecular formula C6H6O4 comprises 6 C, 6 H, 4 O atoms.
Also known as: Dimethyl acetylenedicarboxylate · 乙炔二甲酸二甲酯
Category: organic chemicals
The CAS registry number of Dimethyl acetylenedicarboxylate is 762-42-5.
Molecular formula C6H6O4, molecular weight 142.11.
It is also registered under: Dimethyl acetylenedicarboxylate, 乙炔二甲酸二甲酯.
Recorded applications: 2-Butynedioic acid, 4-dimethyl ester: 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 Dimethyl acetylenedicarboxylate (CAS 762-42-5), compiled from public chemistry databases.
| CAS Registry Number | 762-42-5 |
|---|---|
| PubChem CID | 12980 |
| Molecular formula | C6H6O4 |
| IUPAC name | dimethyl but-2-ynedioate |
| UNII (FDA) | 7HZA2PL15F |
| Molecular Weight | 142.11 |
|---|---|
| XLogP3 | 0.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 142.02660867 |
| Monoisotopic Mass | 142.02660867 |
| Topological Polar Surface Area | 52.6 |
| Heavy Atom Count | 10 |
Dimethyl acetylenedicarboxylate; 762-42-5; 2-Butynedioic acid, dimethyl ester; Dimethyl 2-butynedioate; Bis(methoxycarbonyl)acetylene; Di(carbomethoxy)acetylene; 1,2-Bis(methoxycarbonyl)acetylene; Acetylenedicarboxylic acid dimethyl ester; Dimethyl ethynedicarboxylate; Acetylenedicarboxylic acid, dimethyl ester; 1,2-Bis(methoxycarbonyl)ethyne; 7HZA2PL15F; 2-Butynedioic acid, 1,4-dimethyl ester; NSC-14912; NSC-101119; DTXSID0061088
| Reported hazard statements | H302 (94.7%), H314 (100%) |
|---|
H302 (94.7%): Harmful if swallowed [Warning Acute toxicity, oral]
H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Dimethyl acetylenedicarboxylate · CAS 762-42-5 · C6H6O4. UNII 7HZA2PL15F.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 乙炔二甲酸二甲酯