Alkannin (CAS 517-88-4) — formula C16H16O5, molecular weight 288.29; category dyes and pigments.
Alkannin (CAS 517-88-4) is a chemical raw material in the dyes and pigments category. Its molecular formula C16H16O5 comprises 16 C, 16 H, 5 O atoms. Its molecular weight is about 288.29. Reported physicochemical data: melting point around 116 - 117 °C, LogP about 3. 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 | 517-88-4 |
|---|---|
| Molecular Formula | C16H16O5 |
| Molecular Weight | 288.29 |
| Melting Point | 116 - 117 °C |
| LogP | 3 |
| Applications | Cosmetics |
| Category | Colorants|Food Additives |
Documented applications: Cosmetics.
Alkannin is a colorant or pigment compound with CAS registry number 517-88-4 and molecular formula C16H16O5 (molecular weight 288.29), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 517-88-4
Its molecular formula C16H16O5 comprises 16 C, 16 H, 5 O atoms.
Also known as: Alkannin · 阿尔坎宁
Category: dyes and pigments / food additives
The CAS registry number of Alkannin is 517-88-4.
Molecular formula C16H16O5, molecular weight 288.29.
It is also registered under: Alkannin, 阿尔坎宁.
Recorded applications: Cosmetics.
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 Alkannin (CAS 517-88-4), compiled from public chemistry databases.
| CAS Registry Number | 517-88-4 |
|---|---|
| PubChem CID | 5208 |
| Molecular formula | C16H16O5 |
| IUPAC name | 5,8-dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)naphthalene-1,4-dione |
| UNII (FDA) | BDBM178090 |
| Molecular Weight | 288.29 |
|---|---|
| XLogP3 | 3 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 3 |
| Exact Mass | 288.09977361 |
| Monoisotopic Mass | 288.09977361 |
| Topological Polar Surface Area | 94.8 |
| Heavy Atom Count | 21 |
| Melting Point | 116 - 117 °C |
|---|
54952-43-1; (+-)-Shikonin; RefChem:905516; SHIKALKIN; C.I. Natural Red 20; (Rac)-Shikonin; 5,8-dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)naphthalene-1,4-dione; (+/-)-Shikonin; ARNEBIN-4; (+/-)-Alkannin; 5,8-DIHYDROXY-2-(1-HYDROXY-4-METHYLPENT-3-EN-1-YL)NAPHTHALENE-1,4-DIONE; MFCD00016668; 23444-65-7; KBioGR_000610; C.I. 75530; KBio3_001080
| Regulatory & Food Contact | FDA Substance added to food: Use unspecified ALKANET ROOT, EXTRACT (ALKANNA TINCTORIA TAUSCH)--NLFG |
|---|
| Reported hazard statements | H302 (100%), H400 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
Alkannin · CAS 517-88-4 · C16H16O5. UNII BDBM178090. Melting Point: 116 - 117 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 阿尔坎宁