Acid Green 20 (CAS 5850-39-5) — formula C22H16N6Na2O7S2, molecular weight 586.5; category dyes and pigments.
Acid Green 20 (CAS 5850-39-5) is a chemical raw material in the dyes and pigments category. Its molecular formula C22H16N6Na2O7S2 comprises 22 C, 16 H, 6 N, 2 Na, 7 O, 2 S atoms. Its molecular weight is about 586.5. 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 | 5850-39-5 |
|---|---|
| Molecular Formula | C22H16N6Na2O7S2 |
| Molecular Weight | 586.5 |
| Applications | 7-Naphthalenedisulfonic acid, 4-amino-3--5-hydroxy-6-(2-phenyldiazenyl), sodium salt (1:2): ACTIVE |
| Category | Dyes & Pigments |
Documented applications: 7-Naphthalenedisulfonic acid, 4-amino-3--5-hydroxy-6-(2-phenyldiazenyl), sodium salt (1:2): ACTIVE.
Acid Green 20 is a colorant or pigment compound with CAS registry number 5850-39-5 and molecular formula C22H16N6Na2O7S2 (molecular weight 586.5), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 5850-39-5
Its molecular formula C22H16N6Na2O7S2 comprises 22 C, 16 H, 6 N, 2 Na, 7 O, 2 S atoms.
Also known as: Acid Green 20 · 酸性绿20
Category: dyes and pigments
The CAS registry number of Acid Green 20 is 5850-39-5.
Molecular formula C22H16N6Na2O7S2, molecular weight 586.5.
It is also registered under: Acid Green 20, 酸性绿20.
Recorded applications: 7-Naphthalenedisulfonic acid, 4-amino-3--5-hydroxy-6-(2-phenyldiazenyl), sodium salt (1:2): ACTIVE.
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 Acid Green 20 (CAS 5850-39-5), compiled from public chemistry databases.
| CAS Registry Number | 5850-39-5 |
|---|---|
| PubChem CID | 135482787 |
| Molecular formula | C22H16N6Na2O7S2 |
| IUPAC name | disodium;4-amino-3-[(4-aminophenyl)diazenyl]-5-hydroxy-6-phenyldiazenylnaphthalene-2,7-disulfonate |
| UNII (FDA) | G2DDY9TPC9 |
| Molecular Weight | 586.5 |
|---|---|
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 4 |
| Exact Mass | 586.03172778 |
| Monoisotopic Mass | 586.03172778 |
| Topological Polar Surface Area | 253 |
| Heavy Atom Count | 39 |
Disodium 4-amino-3-((4-aminophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate; 2,7-Naphthalenedisulfonic acid, 4-amino-3-((4-aminophenyl)azo)-5-hydroxy-6-(phenylazo)-, disodium salt; 2,7-Naphthalenedisulfonic acid, 4-amino-3-[(4-aminophenyl)azo]-5-hydroxy-6-(phenylazo)-, disodium salt; Disodium 4-Amino-3-[(4-aminophenyl)azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate; RefChem:446146; 2,7-Naphthalenedisulfonic acid, 4-amino-3-(4-aminophenyl)azo-5-hydroxy-6-(phenylazo)-, disodium salt; 227-452-3; 5850-39-5; C.I. Acid Green 20; C.I. 20495; Disodium 4-Amino-3-(4-aminophenyl)azo-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate; Sodium 5-amino-6-((4-aminophenyl)diazenyl)-4-oxo-3-(2-phenylhydrazono)-3,4-dihydronaphthalene-2,7-disulfonate; EINECS 227-452-3; Acid Dark Green; Nitraniline Black; Oxanal Black G
| GHS notification summary | 99.6% (2018 / 2027) |
|---|
| GHS notification summary | 99.6% (2018 / 2027) |
|---|
This chemical does not meet GHS hazard criteria for 99.6% (2018 of 2027) of all reports.
Reported as not meeting GHS hazard criteria by 2018 of 2027 companies (only 0.4% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
Acid Green 20 · CAS 5850-39-5 · C22H16N6Na2O7S2. UNII G2DDY9TPC9.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 酸性绿20