3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione (CAS 13149-03-6) — formula C8H8O3, molecular weight 152.15; category organic chemicals.
3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione (CAS 13149-03-6) is a chemical raw material in the organic chemicals category. Its molecular formula C8H8O3 comprises 8 C, 8 H, 3 O atoms. Its molecular weight is about 152.15. Reported physicochemical data: melting point around 102 °C, boiling point around at 6.7kPa: 195 °C, 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 | 13149-03-6 |
|---|---|
| Molecular Formula | C8H8O3 |
| Molecular Weight | 152.15 |
| Melting Point | 102 °C |
| Boiling Point | at 6.7kPa: 195 °C |
| LogP | 0.8 |
| Applications | intermediate for light-colored alkyds, polyesters, plasticizers, adhesives, and pesticides, Also used as a hardener for resins |
| Category | Organic Chemicals |
Documented applications: intermediate for light-colored alkyds, polyesters, plasticizers, adhesives, and pesticides, Also used as a hardener for resins.
3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione is a carbon-based organic compound with CAS registry number 13149-03-6 and molecular formula C8H8O3 (molecular weight 152.15), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 13149-03-6
Its molecular formula C8H8O3 comprises 8 C, 8 H, 3 O atoms.
Also known as: 3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione · 3a,4,7,7a-四氢异苯并呋喃-1,3-二酮
Category: organic chemicals
The CAS registry number of 3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione is 13149-03-6.
Molecular formula C8H8O3, molecular weight 152.15.
It is also registered under: 3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione, 3a,4,7,7a-四氢异苯并呋喃-1,3-二酮.
Recorded applications: intermediate for light-colored alkyds, polyesters, plasticizers, adhesives, and pesticides, Also used as a hardener for resins.
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 3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione (CAS 13149-03-6), compiled from public chemistry databases.
| CAS Number | 13149-03-6 |
|---|---|
| PubChem CID | 6810 |
| Molecular Formula | C8H8O3 |
| IUPAC Name | 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione |
| Molecular Weight | 152.15 |
|---|---|
| XLogP3 | 0.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 152.047344113 |
| Monoisotopic Mass | 152.047344113 |
| Topological Polar Surface Area | 43.4 |
| Heavy Atom Count | 11 |
| Boiling Point | at 6.7kPa: 195 °C |
|---|---|
| Melting Point | 102 °C |
| Flash Point | 315 °F (157 °C) Open cup |
| Flash Point | 157 °C o.c. |
| Density | 1.20 at 105 °C |
| Density | 1.4 g/cm³ |
| Density | 1.2 @ 105°C |
| Vapor Pressure | 0.05 [mmHg] |
| Vapor Pressure | 0.057 [mm Hg] @25 °C |
| Autoignition Temperature | 450 °C |
85-43-8; 1,2,3,6-Tetrahydrophthalic anhydride; TETRAHYDROPHTHALIC ANHYDRIDE; Tetrahydroftalanhydrid; Rikacid TH; Tetrahydrophthalic acid anhydride; Memtetrahydro phtalic anhydride; 4-Cyclohexene-1,2-dicarboxylic acid anhydride; 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-; 4-Cyclohexene-1,2-dicarboxylic anhydride; Anhydrid kyseliny tetrahydroftalove; 1,2,3,6-Tetrahydrophthalic acid anhydride; 1,3-Isobenzofurandione, tetrahydro-; NSC 82642; Tetrahydroftalanhydrid [Czech]; HSDB 846
| GHS notifications | 0.1% (1 / 947) |
|---|
| GHS notifications | 0.1% (1 / 947) |
|---|---|
| Notified hazard statements | H317, H318, H334, H412, H302 (33.3%), H315, H335 |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 3a,4,7,7a-四氢异苯并呋喃-1,3-二酮