Reactive Blue 19 (CAS 2580-78-1) — formula C22H16N2Na2O11S3, molecular weight 626.5; category dyes and pigments.
Reactive Blue 19 (CAS 2580-78-1) is a chemical raw material in the dyes and pigments category. Its molecular formula C22H16N2Na2O11S3 comprises 22 C, 16 H, 2 N, 2 Na, 11 O, 3 S atoms. Its molecular weight is about 626.5. 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 | 2580-78-1 |
|---|---|
| Molecular Formula | C22H16N2Na2O11S3 |
| Molecular Weight | 626.5 |
| Applications | dyeing and printing cellulosic fibers, Textiles (Printing, Dyeing, or Finishing), DYE FOR DYEING & PRINTING OF CELLULOSIC FIBERS, Dye |
| Category | Dyes & Pigments |
Documented applications: dyeing and printing cellulosic fibers, Textiles (Printing, Dyeing, or Finishing), DYE FOR DYEING & PRINTING OF CELLULOSIC FIBERS, Dye.
Reactive Blue 19 is a colorant or pigment compound with CAS registry number 2580-78-1 and molecular formula C22H16N2Na2O11S3 (molecular weight 626.5), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 2580-78-1
Its molecular formula C22H16N2Na2O11S3 comprises 22 C, 16 H, 2 N, 2 Na, 11 O, 3 S atoms.
Also known as: Reactive Blue 19 · 活性蓝19
Category: dyes and pigments
The CAS registry number of Reactive Blue 19 is 2580-78-1.
Molecular formula C22H16N2Na2O11S3, molecular weight 626.5.
It is also registered under: Reactive Blue 19, 活性蓝19.
Recorded applications: dyeing and printing cellulosic fibers, Textiles (Printing, Dyeing, or Finishing), DYE FOR DYEING & PRINTING OF CELLULOSIC FIBERS, Dye.
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 Reactive Blue 19 (CAS 2580-78-1), compiled from public chemistry databases.
| CAS Registry Number | 2580-78-1 |
|---|---|
| PubChem CID | 17409 |
| Molecular formula | C22H16N2Na2O11S3 |
| IUPAC name | disodium;1-amino-9,10-dioxo-4-[3-(2-sulfonatooxyethylsulfonyl)anilino]anthracene-2-sulfonate |
| UNII (FDA) | L51IMM9UP9 |
| Molecular Weight | 626.5 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 6 |
| Exact Mass | 625.97116142 |
| Monoisotopic Mass | 625.97116142 |
| Topological Polar Surface Area | 255 |
| Heavy Atom Count | 40 |
| Solubility | 10 to 50 mg/mL at 70 °F (NTP, 1992) |
|---|---|
| Color Additive Status | 73.3121 |
| Color Additive Status | 73.3127 |
Reactive Blue 19; 2580-78-1; C.I. Reactive Blue 19; CCRIS 3736; HSDB 5534; UNII-L51IMM9UP9; EINECS 219-949-9; CI Reactive Blue 19, disodium salt; L51IMM9UP9; C.I. REACTIVE BLUE 19 [HSDB]; DTXSID5025992; APOLLOZOL BRILLIANT BLUE R; EC 219-949-9; SUMIFIX BRILLIANT BLUE R SPECIAL LIQUID; 1-AMINO-4-(3-(.BETA.-SULFATOETHYLSULFONYL)ANILINO)-2-ANTHRAQUINONESULFONIC ACID DISODIUM SALT; 1-AMINO-4-(3-(BETA-SULFATOETHYLSULFONYL)ANILINO)-2-ANTHRAQUINONESULFONIC ACID DISODIUM SALT
| Regulatory & Food Contact | FDA Regulatory Status of Color Additives: Devices |
|---|---|
| GHS notification summary | 58.8% (50 / 85) |
| GHS notification summary | 58.8% (50 / 85) |
|---|---|
| Reported hazard statements | H319 (24.7%), H412 (10.6%) |
This chemical does not meet GHS hazard criteria for 58.8% (50 of 85) of all reports.
H319 (24.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Reactive Blue 19 · CAS 2580-78-1 · C22H16N2Na2O11S3. UNII L51IMM9UP9. Solubility: 10 to 50 mg/mL at 70 °F (NTP, 1992); Color Additive Status: 73.3121; Color Additive Status: 73.3127.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 活性蓝19