Eriochrome Black A (CAS 3618-58-4) — formula C20H12N3NaO6S, molecular weight 445.4; category organic chemicals.
Eriochrome Black A (CAS 3618-58-4) is a chemical raw material in the organic chemicals category. Its molecular formula C20H12N3NaO6S comprises 20 C, 12 H, 3 N, 1 Na, 6 O, 1 S atoms. Its molecular weight is about 445.4. 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 | 3618-58-4 |
|---|---|
| Molecular Formula | C20H12N3NaO6S |
| Molecular Weight | 445.4 |
| Category | Organic Chemicals |
Eriochrome Black A is a carbon-based organic compound with CAS registry number 3618-58-4 and molecular formula C20H12N3NaO6S (molecular weight 445.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 3618-58-4
Its molecular formula C20H12N3NaO6S comprises 20 C, 12 H, 3 N, 1 Na, 6 O, 1 S atoms.
Also known as: Eriochrome Black A · 酸性铬蓝黑A
Category: organic chemicals
The CAS registry number of Eriochrome Black A is 3618-58-4.
Molecular formula C20H12N3NaO6S, molecular weight 445.4.
It is also registered under: Eriochrome Black A, 酸性铬蓝黑A.
Category: Organic Chemicals.
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 Eriochrome Black A (CAS 3618-58-4), compiled from public chemistry databases.
| CAS Number | 3618-58-4 |
|---|---|
| PubChem CID | 19237 |
| Molecular Formula | C20H12N3NaO6S |
| IUPAC Name | sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]-7-nitronaphthalene-1-sulfonate |
| Molecular Weight | 445.4 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 2 |
| Exact Mass | 445.03445057 |
| Monoisotopic Mass | 445.03445057 |
| Topological Polar Surface Area | 156 |
| Heavy Atom Count | 31 |
Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate; Sodium 3-hydroxy-4-[(2-hydroxynaphthyl)azo]-7-nitronaphthalene-1-sulphonate; RefChem:887016; 222-807-9; Acid mordant Black 1; C.I. Mordant Black 1 (VAN); EINECS 222-807-9; NSC 73413; D90464; sodium;4-[(2-hydroxynaphthalen-1-yl)diazenyl]-7-nitronaphthalene-1-sulfonate
| GHS notifications | 97.6% (41 / 42) |
|---|
| GHS notifications | 97.6% (41 / 42) |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 酸性铬蓝黑A