VAQORAPhthalic anhydride anhydrous, ACS, AR 99.00–100.20%
Synonyms: 1,3-Isobenzofurandione · Phthalandione · Retarder esen · 1,3-Dioxophthalan
CAS No.85-44-9
FormulaC8H4O3
Mol. weight148.11
Catalogue No.VQ-046839
Purity99.00–100.20%
HSN29173500
Phthalic anhydride anhydrous (CAS 85-44-9) – acylating agent, ACS / AR grade, 99.00–100.20%. C8H4O3, MW 148.11. Vaqora Chemicals: COA, global shipping.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%
Phthalic anhydride anhydrous is an acylating agent (ACS / AR grade) carrying the CAS registry number 85-44-9, specified at 99.00–100.20% purity. Its molecular formula is C8H4O3 and its molecular weight is 148.11 g/mol. The IUPAC name is 2-benzofuran-1,3-dione. It is also known as 1,3-Isobenzofurandione or Phthalandione.
Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.
Key uses span organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.
Available in 500 g packs, Phthalic anhydride anhydrous is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.
Typical applications
- Organic synthesis
- API synthesis
Industries
Grade guides
Specifications & identifiers
| Product name | Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% |
|---|---|
| Catalogue No. | VQ-046839 |
| CAS Number | 85-44-9 |
| IUPAC name | 2-benzofuran-1,3-dione |
| Molecular formula | C8H4O3 |
| Molecular weight | 148.11 g/mol |
| Exact mass | 148.016 |
| Grade | ACS / AR |
| Purity / assay | 99.00–100.20% |
| HSN code | 29173500 |
| InChIKey | LGRFSURHDFAFJT-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C(=O)OC2=O |
| PubChem CID | 6811 |
| Physical form | Other |
|---|---|
| LogP (XLogP3) | 1.3 |
| H-bond donors / acceptors | 0 / 3 |
| TPSA | 43.4 Ų |
| Synonyms | 1,3-Isobenzofurandione, Phthalandione, Retarder esen, 1,3-Dioxophthalan, 1,3-Phthalandione, Phthalic acid anhydride, Retarder AK, Retarder PD, o-Phthalic acid anhydride, Vulkalent B/C, Anidride ftalica, Ftalowy bezwodnik |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H302Harmful if swallowedH315Causes skin irritationH317May cause an allergic skin reactionH318Causes serious eye damageH334May cause allergy or asthma symptoms or breathing difficulties if inhaledH335May cause respiratory irritation
Precautionary statements: P233, P260, P261, P264, P264 + P265, P270, P271, P272, P280, P284, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P333 + P317, P342 + P316, P362 + P364, P403, P403 + P233
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Other grades of CAS 85-44-9
Frequently asked questions
What is the CAS number of Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%?
The CAS Registry Number of Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% is 85-44-9. It is also known as 1,3-Isobenzofurandione, Phthalandione, Retarder esen.
What is the molecular formula and molecular weight of Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%?
Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% has the molecular formula C8H4O3 and a molecular weight of 148.11 g/mol. Its IUPAC name is 2-benzofuran-1,3-dione.
Which grade and pack sizes of Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% can I order?
We supply Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% in ACS / AR (99.00–100.20%) grade, in 500 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%?
Yes. Every lot of Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% 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 Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% be shipped internationally?
Yes. Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% 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 Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%
We reply within one business day with price, pack options, lead time and documentation.
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