偏苯三酸酐酰氯，CAS 登记号 1204-28-0，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于无机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Trimellitic anhydride acid chloride · CAS 1204-28-0 · C9H3ClO4. UNII 56231EU26X.
| CAS Registry Number | 1204-28-0 |
|---|---|
| PubChem CID | 70998 |
| Molecular formula | C9H3ClO4 |
| IUPAC name | 1,3-dioxo-2-benzofuran-5-carbonyl chloride |
| UNII (FDA) | 56231EU26X |
| Molecular Weight | 210.57 |
|---|---|
| XLogP3 | 1.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 209.9719863 |
| Monoisotopic Mass | 209.9719863 |
| Topological Polar Surface Area | 60.4 |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Regulatory & Food Contact | FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS BENZOYL CHLORIDE-3,4-DICARBOXYLIC ANHYDRIDE |
|---|---|
| GHS notification summary | 24.2% (16 / 66) |
| GHS notification summary | 24.2% (16 / 66) |
|---|---|
| Reported hazard statements | H314 (75.8%), H318 (66.7%) |
This chemical does not meet GHS hazard criteria for 24.2% (16 of 66) of reports.
H314 (75.8%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Trimellitic anhydride chloride; 1204-28-0; 4-(Chloroformyl)phthalic anhydride; Anhydrotrimellitic acid chloride; 5-Isobenzofurancarbonyl chloride, 1,3-dihydro-1,3-dioxo-; Trimellitic acid anhydride chloride; Trimellitic anhydride acid chloride; 4-(Chlorocarbonyl)phthalic anhydride; 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride; Phthalic anhydride, 4-(chloroformyl)-; Trimellitic anhydride monochloride; 1,3-Benzofurandione-5-carbonyl chloride; Trimellitic anhydride monoacid chloride; NSC 89728; Trimellitic acid anhydride 4-monoacid chloride; UNII-56231EU26X
CAS 1204-28-0; molecular formula C9H3ClO4; molecular weight — g/mol.
Trimellitic anhydride chloride, 1204-28-0, 4-(Chloroformyl)phthalic anhydride, Anhydrotrimellitic acid chloride, 5-Isobenzofurancarbonyl chloride, 1,3-dihydro-1,3-dioxo-, Trimellitic acid anhydride chloride.
Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; BENZOYL CHLORIDE-3,4-DICARBOXYLIC ANHYDRIDE.
24.2% of GHS notifications report no hazard classification (16 of 66).
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.