Xylidine Ponceau 2R (CAS 3761-53-3) — formula C18H14N2Na2O7S2, molecular weight 480.4; category organic chemicals.
Xylidine Ponceau 2R (CAS 3761-53-3) is a chemical raw material in the organic chemicals category. Its molecular formula C18H14N2Na2O7S2 comprises 18 C, 14 H, 2 N, 2 Na, 7 O, 2 S atoms. Its molecular weight is about 480.4. 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 | 3761-53-3 |
|---|---|
| Molecular Formula | C18H14N2Na2O7S2 |
| Molecular Weight | 480.4 |
| Applications | Substance listed with specific concentration in tattoo ink and/or permanent make up according to EU Commission Regulation 2020/2081. The concentration limit (by weight) is 0.1%, 7-Naphthalenedisulfonic acid, 4-[2-(2, 4-dimethylphenyl)diazenyl]-3-hydroxy, sodium salt (1:2): ACTIVE |
| Category | Organic Chemicals |
Documented applications: Substance listed with specific concentration in tattoo ink and/or permanent make up according to EU Commission Regulation 2020/2081. The concentration limit (by weight) is 0.1%, 7-Naphthalenedisulfonic acid, 4-[2-(2, 4-dimethylphenyl)diazenyl]-3-hydroxy, sodium salt (1:2): ACTIVE.
Xylidine Ponceau 2R is a carbon-based organic compound with CAS registry number 3761-53-3 and molecular formula C18H14N2Na2O7S2 (molecular weight 480.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 3761-53-3
Its molecular formula C18H14N2Na2O7S2 comprises 18 C, 14 H, 2 N, 2 Na, 7 O, 2 S atoms.
Also known as: Xylidine Ponceau 2R · 二甲苯胺丽春红2R
Category: organic chemicals
The CAS registry number of Xylidine Ponceau 2R is 3761-53-3.
Molecular formula C18H14N2Na2O7S2, molecular weight 480.4.
It is also registered under: Xylidine Ponceau 2R, 二甲苯胺丽春红2R.
Recorded applications: Substance listed with specific concentration in tattoo ink and/or permanent make up according to EU Commission Regulation 2020/2081. The concentration limit (by weight) is 0.1%, 7-Naphthalenedisulfonic acid, 4-[2-(2, 4-dimethylphenyl)diazenyl]-3-hydroxy, sodium salt (1:2): ACTIVE.
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 Xylidine Ponceau 2R (CAS 3761-53-3), compiled from public chemistry databases.
| CAS Registry Number | 3761-53-3 |
|---|---|
| PubChem CID | 19579 |
| Molecular formula | C18H14N2Na2O7S2 |
| IUPAC name | disodium;4-[(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,6-disulfonate |
| Molecular Weight | 480.4 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 2 |
| Exact Mass | 480.00378170 |
| Monoisotopic Mass | 480.00378170 |
| Topological Polar Surface Area | 176 |
| Heavy Atom Count | 31 |
| Solubility | 1 to 10 mg/mL at 68 °F (NTP, 1992) |
|---|
DTXSID8021228; RefChem:1076034; DTXCID301474356; 3761-53-3; 4-((2,4-Dimethylphenyl)azo)-3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt; Acid Red 26; C.I. Food Red 5; CHEBI:82369; Ponceau de xylidine; Ponceau Red R; SCHEMBL133302; SCHEMBL1637104; OIQRYZXXBZHDRY-NNIZZXHBSA-L; Disodium;4-[(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,6-disulfonate; C.I. 16150,; D91977
| Regulatory & Food Contact | COLOUR: Food Additives CI ACID RED 26 NMRS 38/TRS 309-JECFA 8/23 CI FOOD RED 5 |
|---|
Xylidine Ponceau 2R · CAS 3761-53-3 · C18H14N2Na2O7S2. Solubility: 1 to 10 mg/mL at 68 °F (NTP, 1992).
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 二甲苯胺丽春红2R