Fluorescein (CAS No. 2321-07-5) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.
Organic Chemicals
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The CAS number of Fluorescein is 2321-07-5.
Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.
Main applications include Organic Chemicals.
Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..
荧光素 · CAS 2321-07-5 · C20H12O5. UNII TPY09G7XIR. Melting Point: 315; Melting Point: 315 °C (decomposes); Melting Point: 315 °C.
| CAS 号 | 2321-07-5 |
|---|---|
| PubChem CID | 16850 |
| 分子式 | C20H12O5 |
| IUPAC 名称 | 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one |
| UNII（FDA） | TPY09G7XIR |
| Molecular Weight | 332.3 |
|---|---|
| XLogP3 | 3.4 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 0 |
| Exact Mass | 332.06847348 |
| Monoisotopic Mass | 332.06847348 |
| Topological Polar Surface Area | 76 |
| Heavy Atom Count | 25 |
| Formal Charge | 0 |
| Melting Point | 315 |
|---|---|
| Melting Point | 315 °C (decomposes) |
| Melting Point | 315 °C |
| Solubility | 600 |
| Solubility | In water, 50 mg/L at 20 °C |
| Solubility | 2.55e-02 g/L |
| LogP | 3.4 |
| LogP | 4.3 |
| Color Additive Status | 74.1707 |
| Color Additive Status | 74.2707 |
| 法规与食品接触 | FDA Regulatory Status of Color Additives: Drugs, Cosmetics |
|---|---|
| GHS 通报统计 | 3.4% (13 / 383) |
| GHS 通报统计 | 3.4% (13 / 383) |
|---|---|
| 已通报的危害声明 | H302 (13.6%), H319 (96.6%) |
荧光素； 2321-07-5；溶剂黄94；间苯二酚酞；黄色荧光素；荧光素；荧光素酸； 3,6-氟二醇； D&C 黄7号； 3',6'-二羟基荧烷；日本黄201； D和C黄7号； C.I.溶剂黄94；皂黄F；希达酸荧光素；黄7号
CAS 号 2321-07-5；分子式 C20H12O5；分子量 — g/mol。
fluorescein, 2321-07-5, Solvent Yellow 94, Resorcinolphthalein, Yellow fluorescein, Fluoresceine.
已记录的法规收录：FDA Regulatory Status of Color Additives: Drugs, Cosmetics。
3.4% 的 GHS 通报认为不构成危害分类（13 / 383）。
Melting Point: 315; Melting Point: 315 °C (decomposes); Melting Point: 315 °C; Solubility: 600.
本页事实取自 PubChem（美国国家医学图书馆）与 Wikidata。批号相关的数据——含量、水分、粒度、包装、保质期——随批次 COA 出具，不在本页公布。
Supplier: Jinan Shenghe Chemical Co., Ltd. · Reply within one business day.