Acid Red 73 (CAS 5413-75-2) — formula C22H14N4Na2O7S2, molecular weight 556.5; category dyes and pigments.
Acid Red 73 (CAS 5413-75-2) is a chemical raw material in the dyes and pigments category. Its molecular formula C22H14N4Na2O7S2 comprises 22 C, 14 H, 4 N, 2 Na, 7 O, 2 S atoms. Its molecular weight is about 556.5. 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 | 5413-75-2 |
|---|---|
| Molecular Formula | C22H14N4Na2O7S2 |
| Molecular Weight | 556.5 |
| 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%, Cosmetics |
| Category | Dyes & Pigments |
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%, Cosmetics.
Acid Red 73 is a colorant or pigment compound with CAS registry number 5413-75-2 and molecular formula C22H14N4Na2O7S2 (molecular weight 556.5), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 5413-75-2
Its molecular formula C22H14N4Na2O7S2 comprises 22 C, 14 H, 4 N, 2 Na, 7 O, 2 S atoms.
Also known as: Acid Red 73 · 酸性大红GR
Category: dyes and pigments
The CAS registry number of Acid Red 73 is 5413-75-2.
Molecular formula C22H14N4Na2O7S2, molecular weight 556.5.
It is also registered under: Acid Red 73, 酸性大红GR.
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%, Cosmetics.
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 Red 73 (CAS 5413-75-2), compiled from public chemistry databases.
| CAS Number | 5413-75-2 |
|---|---|
| PubChem CID | 21519 |
| Molecular Formula | C22H14N4Na2O7S2 |
| IUPAC Name | disodium;7-hydroxy-8-[(4-phenyldiazenylphenyl)diazenyl]naphthalene-1,3-disulfonate |
| UNII (FDA) | 5PLA82FV3C |
| Molecular Weight | 556.5 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 11 |
| Rotatable Bond Count | 4 |
| Exact Mass | 556.00992971 |
| Monoisotopic Mass | 556.00992971 |
| Topological Polar Surface Area | 201 |
| Heavy Atom Count | 37 |
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-(phenylazo)phenyl)azo)-, disodium salt; Sodium 6-hydroxy-5-(4-phenylazophenylazo)naphthalene-2,4-disulphonate; 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]-, disodium salt; RefChem:415369; 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-4-(phenylazo)phenylazo-, disodium salt; ACID RED 73; 5413-75-2; Brilliant crocein; Woodstain Scarlet; C.I. Acid Red 73; Crocein Scarlet MOO; Crocein Scarlet 3B; Brilliant Crocein MOO; C.I. Acid Red 73, disodium salt; Brilliant Croceine MOO; C.I. 27290
| Regulatory & food contact | CIR / INCI: Hair dyeing |
|---|---|
| GHS notifications | 85.7% (48 / 56) |
| GHS notifications | 85.7% (48 / 56) |
|---|---|
| Notified hazard statements | H319 (10.7%), H351 |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 酸性大红GR