Direct Pink 12B (CAS 5001-72-9) — formula C32H21N5Na2O8S2, molecular weight 713.7; category dyes and pigments.
Direct Pink 12B (CAS 5001-72-9) is a chemical raw material in the dyes and pigments category. Its molecular formula C32H21N5Na2O8S2 comprises 32 C, 21 H, 5 N, 2 Na, 8 O, 2 S atoms. Its molecular weight is about 713.7. 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 | 5001-72-9 |
|---|---|
| Molecular Formula | C32H21N5Na2O8S2 |
| Molecular Weight | 713.7 |
| Applications | 2-Naphthalenesulfonic acid, 7'-iminobis[4-hydroxy-3-(2-phenyldiazenyl), sodium salt (1:2): ACTIVE |
| Category | Inks |
Documented applications: 2-Naphthalenesulfonic acid, 7'-iminobis[4-hydroxy-3-(2-phenyldiazenyl), sodium salt (1:2): ACTIVE.
Direct Pink 12B is a colorant or pigment compound with CAS registry number 5001-72-9 and molecular formula C32H21N5Na2O8S2 (molecular weight 713.7), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 5001-72-9
Its molecular formula C32H21N5Na2O8S2 comprises 32 C, 21 H, 5 N, 2 Na, 8 O, 2 S atoms.
Also known as: Direct Pink 12B
Category: dyes and pigments
The CAS registry number of Direct Pink 12B is 5001-72-9.
Molecular formula C32H21N5Na2O8S2, molecular weight 713.7.
It is also registered under: Direct Pink 12B.
Recorded applications: 2-Naphthalenesulfonic acid, 7'-iminobis[4-hydroxy-3-(2-phenyldiazenyl), sodium salt (1:2): ACTIVE.
Category: Inks.
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 Pink 12B (CAS 5001-72-9), compiled from public chemistry databases.
| CAS Registry Number | 5001-72-9 |
|---|---|
| PubChem CID | 78698 |
| Molecular formula | C32H21N5Na2O8S2 |
| IUPAC name | disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)amino]-3-phenyldiazenylnaphthalene-2-sulfonate |
| UNII (FDA) | NS00045153 |
| Molecular Weight | 713.7 |
|---|---|
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 6 |
| Exact Mass | 713.06269356 |
| Monoisotopic Mass | 713.06269356 |
| Topological Polar Surface Area | 233 |
| Heavy Atom Count | 49 |
Direct Red 12B; DTXSID10889484; DIRECT PINK 12B; RefChem:134891; DTXCID101028737; 5001-72-9; Direct Red 31; Disodium 7,7'-iminobis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate); Sodium 7,7'-azanediylbis(4-hydroxy-3-(phenyldiazenyl)naphthalene-2-sulfonate); MFCD01846384; 2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy-3-(phenylazo)-,disodium salt; EINECS 225-669-8; Direct Red 31, tech.; C.I. Direct Red 31; SCHEMBL29364859; C.I. Direct Red 31, disodium salt
| GHS notification summary | 100% (5 / 5) |
|---|
| GHS notification summary | 100% (5 / 5) |
|---|
This chemical does not meet GHS hazard criteria for 100% (5 of 5) of all reports.
Reported as not meeting GHS hazard criteria by 5 of 5 companies. For more detailed information, please visit ECHA C&L website.
Direct Pink 12B · CAS 5001-72-9 · C32H21N5Na2O8S2. UNII NS00045153.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: Direct Pink 12B