Erythrosine (CAS 16423-68-0) — formula C20H8I4O5, molecular weight 835.9; category dyes and pigments.
Erythrosine (CAS 16423-68-0) is a dyes and pigments. Its molecular formula C20H8I4O5 comprises 20 C, 8 H, 4 I, 5 O atoms. Its molecular weight is about 835.9. Reported physicochemical data: melting point around 303 °C, LogP about 6. Dyes and pigments impart color to textiles, plastics, coatings and inks, with attention to fastness, dispersibility and application process. Applied in textile dyeing, plastic coloring, inks and coatings, paper and leather processing. 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 | 16423-68-0 |
|---|---|
| Molecular Formula | C20H8I4O5 |
| Molecular Weight | 835.9 |
| Melting Point | 303 °C |
| LogP | 6 |
| Applications | Cosmetics, Cosmetic colorant, Pigment, U.S. Production: 2023: 108, Spiro[isobenzofuran-1(3H), 9'-xanthen]-3-one |
| Category | Colorants|Food Additives |
Documented applications: Cosmetics, Cosmetic colorant, Pigment, U.S. Production: 2023: 108, Spiro[isobenzofuran-1(3H), 9'-xanthen]-3-one.
Erythrosine is a colorant or pigment compound with CAS registry number 16423-68-0 and molecular formula C20H8I4O5 (molecular weight 835.9), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 16423-68-0
Its molecular formula C20H8I4O5 comprises 20 C, 8 H, 4 I, 5 O atoms.
Also known as: Erythrosine · 赤藓红
Category: dyes and pigments / food additives
The CAS registry number of Erythrosine is 16423-68-0.
Molecular formula C20H8I4O5, molecular weight 835.9.
It is also registered under: Erythrosine, 赤藓红.
Recorded applications: Cosmetics, Cosmetic colorant, Pigment, U.S. Production: 2023: 108, Spiro[isobenzofuran-1(3H), 9'-xanthen]-3-one.
Category: Colorants / Food Additives.
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 Erythrosine (CAS 16423-68-0), compiled from public chemistry databases.
| CAS Registry Number | 16423-68-0 |
|---|---|
| PubChem CID | 3259 |
| Molecular formula | C20H8I4O5 |
| IUPAC name | 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one |
| UNII (FDA) | 1A878FZQ9B |
| Molecular Weight | 835.9 |
|---|---|
| XLogP3 | 6 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 0 |
| Exact Mass | 835.6551 |
| Monoisotopic Mass | 835.6551 |
| Topological Polar Surface Area | 76 |
| Heavy Atom Count | 29 |
| Melting Point | 303 °C |
|---|---|
| Solubility | 0.7 mg/mL |
ERYTHROSINE; E127; 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one; FD & C red no. 3; 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro(2-benzofuran-3,9'-xanthene)-1-one; FDC Red No. 3; RefChem:591122; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, disodium salt; 16423-68-0; Erythrosine, sodium anhydrous; NSC-36685; Erythrosin B; Tetraiodofluorescein; 15905-32-5; Solvent Red 140; Iodeosin
| Regulatory & Food Contact | COLOUR: Food Additives CI FOOD RED 14 JECFA ADI: 0-0.1 mg/kg bw The Committee concluded that the new data that have become available since the previous evaluation of erythros ">TRS 1014-JECFA 86/27 FAS 77 JECFA 86/49 |
|---|---|
| GHS notification summary | 94.9% (37 / 39) |
| GHS notification summary | 94.9% (37 / 39) |
|---|
This chemical does not meet GHS hazard criteria for 94.9% (37 of 39) of all reports.
Reported as not meeting GHS hazard criteria by 37 of 39 companies (only 5.1% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
Erythrosine · CAS 16423-68-0 · C20H8I4O5. UNII 1A878FZQ9B. Melting Point: 303 °C; Solubility: 0.7 mg/mL.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 赤藓红