carmine (CAS 1390-65-4) — formula C22H20O13, molecular weight 492.09 g/mol; category dyes and pigments.
carmine (CAS 1390-65-4) is a dyes and pigments. Its molecular formula C22H20O13 comprises 22 C, 20 H, 13 O atoms. Its molecular weight is about 492.09 g/mol. Reported physicochemical data: melting point around 136 °C, LogP about 0.5. 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 | 1390-65-4 |
|---|---|
| Molecular Formula | C22H20O13 |
| Molecular Weight | 492.09 g/mol |
| Melting Point | 136 °C |
| LogP | 0.5 |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | plastic coloring, inks and coatings, paper and leather processing. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering |
| Category | Coloring Agents |
Documented applications: plastic coloring, inks and coatings, paper and leather processing. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
carmine is a colorant or pigment compound with CAS registry number 1390-65-4 and molecular formula C22H20O13 (molecular weight 492.09 g/mol), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 1390-65-4
Its molecular formula C22H20O13 comprises 22 C, 20 H, 13 O atoms.
Also known as: carmine · 胭脂红
Category: dyes and pigments
The CAS registry number of carmine is 1390-65-4.
Molecular formula C22H20O13, molecular weight 492.09 g/mol.
It is also registered under: carmine, 胭脂红.
Recorded applications: plastic coloring, inks and coatings, paper and leather processing. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Category: Coloring Agents.
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 carmine (CAS 1390-65-4), compiled from public chemistry databases.
| CAS Number | 1390-65-4 |
|---|---|
| PubChem CID | 14950 |
| Molecular Formula | C22H20O13 |
| Molecular Weight | 492.09 g/mol |
| IUPAC Name | 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid |
| InChIKey | DGQLVPJVXFOQEV-UHFFFAOYSA-N |
| UNII (FDA) | HMS3346I22 |
| Molecular Weight | 492.4 |
|---|---|
| XLogP3 | 0.5 |
| Hydrogen Bond Donor Count | 9 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 3 |
| Exact Mass | 492.09039069 |
| Monoisotopic Mass | 492.09039069 |
| Topological Polar Surface Area | 243 |
| Heavy Atom Count | 35 |
| Melting Point | 136 °C |
|---|---|
| Solubility | 1.3 mg/mL at 25 °C |
DTXSID20859613; 1219145-87-5; 7-Hexopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylic acid; RefChem:1074432; DTXCID00209218; Cochineal (dye); 1343-78-8; Carmine Red; C22H20O13; CARMINE (ALUM LAKE); C ochineal; NSC326224; SCHEMBL341505; SCHEMBL29728623; SCHEMBL31079636; FEMA 2330
| GHS notifications | 100% (96 / 96) |
|---|
| GHS notifications | 100% (96 / 96) |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 胭脂红