Cochineal (CAS 1343-78-8) — formula C22H20O13, molecular weight 492.4; category dyes and pigments.
Cochineal (CAS 1343-78-8) is a chemical raw material in the dyes and pigments category. Its molecular formula C22H20O13 comprises 22 C, 20 H, 13 O atoms. Its molecular weight is about 492.4. Reported physicochemical data: melting point around 136 °C, LogP about 0.5. 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 | 1343-78-8 |
|---|---|
| Molecular Formula | C22H20O13 |
| Molecular Weight | 492.4 |
| 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 | 典型应用领域：食品着色。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g |
| Category | Coloring Agents |
Documented applications: 典型应用领域：食品着色。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g.
Cochineal is a colorant or pigment compound with CAS registry number 1343-78-8 and molecular formula C22H20O13 (molecular weight 492.4), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 1343-78-8
Its molecular formula C22H20O13 comprises 22 C, 20 H, 13 O atoms.
Also known as: Cochineal · 胭脂红
Category: dyes and pigments
The CAS registry number of Cochineal is 1343-78-8.
Molecular formula C22H20O13, molecular weight 492.4.
It is also registered under: Cochineal, 胭脂红.
Recorded applications: 典型应用领域：食品着色。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g.
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 Cochineal (CAS 1343-78-8), compiled from public chemistry databases.
| CAS Registry Number | 1343-78-8 |
|---|---|
| PubChem CID | 14950 |
| Molecular formula | C22H20O13 |
| 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 |
| 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 notification summary | 100% (96 / 96) |
|---|
| GHS notification summary | 100% (96 / 96) |
|---|
This chemical does not meet GHS hazard criteria for 100% (96 of 96) of all reports.
Reported as not meeting GHS hazard criteria by 96 of 96 companies. For more detailed information, please visit ECHA C&L website.
Cochineal · CAS 1343-78-8 · C22H20O13. UNII HMS3346I22. Melting Point: 136 °C; Solubility: 1.3 mg/mL at 25 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 胭脂红