Direct Black 103 (CAS 3071-71-4) — formula C40H23N7Na4O13S4, molecular weight 1029.9; category dyes and pigments.
Direct Black 103 (CAS 3071-71-4) is a chemical raw material in the dyes and pigments category. Its molecular formula C40H23N7Na4O13S4 comprises 40 C, 23 H, 7 N, 4 Na, 13 O, 4 S atoms. Its molecular weight is about 1029.9. 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 | 3071-71-4 |
|---|---|
| Molecular Formula | C40H23N7Na4O13S4 |
| Molecular Weight | 1029.9 |
| Category | Dyes & Pigments |
Direct Black 103 is a colorant or pigment compound with CAS registry number 3071-71-4 and molecular formula C40H23N7Na4O13S4 (molecular weight 1029.9), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 3071-71-4
Its molecular formula C40H23N7Na4O13S4 comprises 40 C, 23 H, 7 N, 4 Na, 13 O, 4 S atoms.
Also known as: Direct Black 103 · 直接耐晒灰2BL
Category: dyes and pigments
The CAS registry number of Direct Black 103 is 3071-71-4.
Molecular formula C40H23N7Na4O13S4, molecular weight 1029.9.
It is also registered under: Direct Black 103, 直接耐晒灰2BL.
Category: Dyes & Pigments.
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 Direct Black 103 (CAS 3071-71-4), compiled from public chemistry databases.
| CAS Number | 3071-71-4 |
|---|---|
| PubChem CID | 101690392 |
| Molecular Formula | C40H23N7Na4O13S4 |
| IUPAC Name | tetrasodium;3-[[4-[[4-[(7-amino-1-oxido-3-sulfonaphthalen-2-yl)diazenyl]-6-sulfonatonaphthalen-1-yl]diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,5-disulfonate |
| Molecular Weight | 1029.9 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 20 |
| Rotatable Bond Count | 7 |
| Exact Mass | 1028.9827456 |
| Monoisotopic Mass | 1028.9827456 |
| Topological Polar Surface Area | 383 |
| Heavy Atom Count | 68 |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 直接耐晒灰2BL