Direct Orange S (CAS 3626-36-6) — formula C33H22N6Na2O9S2, molecular weight 756.7; category dyes and pigments.
Direct Orange S (CAS 3626-36-6) is a chemical raw material in the dyes and pigments category. Its molecular formula C33H22N6Na2O9S2 comprises 33 C, 22 H, 6 N, 2 Na, 9 O, 2 S atoms. Its molecular weight is about 756.7. 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 | 3626-36-6 |
|---|---|
| Molecular Formula | C33H22N6Na2O9S2 |
| Molecular Weight | 756.7 |
| Applications | EPA Safer Chemical Functional Use Classes, Safer Chemical Classes, but has some hazard profile issues, Dye, U.S. Production: 2023: <50, 000 lb |
| Category | Dyes & Pigments |
Documented applications: EPA Safer Chemical Functional Use Classes, Safer Chemical Classes, but has some hazard profile issues, Dye, U.S. Production: 2023: <50, 000 lb.
Direct Orange S is a colorant or pigment compound with CAS registry number 3626-36-6 and molecular formula C33H22N6Na2O9S2 (molecular weight 756.7), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 3626-36-6
Its molecular formula C33H22N6Na2O9S2 comprises 33 C, 22 H, 6 N, 2 Na, 9 O, 2 S atoms.
Also known as: Direct Orange S · Direct Orange 26
Category: dyes and pigments
The CAS registry number of Direct Orange S is 3626-36-6.
Molecular formula C33H22N6Na2O9S2, molecular weight 756.7.
It is also registered under: Direct Orange S, Direct Orange 26.
Recorded applications: EPA Safer Chemical Functional Use Classes, Safer Chemical Classes, but has some hazard profile issues, Dye, U.S. Production: 2023: <50, 000 lb.
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 Orange S (CAS 3626-36-6), compiled from public chemistry databases.
| CAS Number | 3626-36-6 |
|---|---|
| PubChem CID | 77182 |
| Molecular Formula | C33H22N6Na2O9S2 |
| IUPAC Name | disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)carbamoylamino]-3-phenyldiazenylnaphthalene-2-sulfonate |
| UNII (FDA) | MM5GU9UN7K |
| Molecular Weight | 756.7 |
|---|---|
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 6 |
| Exact Mass | 756.06850721 |
| Monoisotopic Mass | 756.06850721 |
| Topological Polar Surface Area | 262 |
| Heavy Atom Count | 52 |
Direct Orange S; 3626-36-6; Direct Orange 26; Airedale Orange SED; Atlantic Fast Orange S; Aizen Primula Orange SH; MM5GU9UN7K; Direct Orange A; Benzo Orange S; C.I. Direct Orange 26; Fast Orange S; Fenamin Orange A; Diphenyl Orange SE; Vondacel Orange SN; Erie Fast Orange A; Benzo Fast Orange S
| GHS notifications | 65% (13 / 20) |
|---|
| GHS notifications | 65% (13 / 20) |
|---|---|
| Notified hazard statements | H315 (25%), H319 (25%) |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: Direct Orange S