ChemicalBook >> CAS DataBase List >>tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
![tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate Structure](CAS/GIF/93951-21-4.gif)
- CAS No.
- 93951-21-4
- Chemical Name:
- tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
- Synonyms
- C.I.Reactive Blue 250;4-Amino-5-hydroxy-6-[5-[2-(sulfooxy)ethylsulfonyl]-2-methoxyphenylazo]-3-[p-[2-(sulfooxy)ethylsulfonyl]phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt;4-Amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonic acid tetrasodium salt;tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate;tetrasodium,(3Z)-5-amino-3-[[2-methoxy-5-(2-sulfonatooxyethylsulfonyl)phenyl]hydrazinylidene]-4-oxo-6-[[4-(2-sulfonatooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonate;2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-[2-[2-methoxy-5-[[2- (sulfooxy)ethyl]sulfonyl]phenyl]diazenyl ]-3-[2-[4-[[2-( sulfooxy)ethyl]sulfonyl]phenyl]diazenyl] -, sodium salt (1:4)
- CBNumber:
- CB4904557
- Molecular Formula:
- C27H28N5NaO20S6
- Molecular Weight:
- 957.89
- MDL Number:
- MOL File:
- 93951-21-4.mol
Last updated:2026-05-28 02:12:16
tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate Properties
| Boiling point | 1442.57℃[at 101 325 Pa] |
|---|---|
| Density | 1.59[at 20℃] |
| vapor pressure | 0Pa at 50℃ |
| Water Solubility | 392g/L at 20℃ |
| LogP | -4.7 at 20℃ |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt (93951-21-4) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS08 |
|---|---|
| Signal word | Danger |
| Hazard statements | H317-H334 |
| Precautionary statements | P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P261-P285-P304+P341-P342+P311-P501 |
| TSCA | TSCA listed |
| REACH Registrations | Active |
tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate Chemical Properties, Uses, Production
Preparation
2-(3-Amino-4-methoxyphenylsulfonyl)ethyl hydrogen sulfate and 2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate diazo, respectively in alkaline and acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling.
Flammability and Explosibility
Non flammable
Properties and Applications
navy blue.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 3-4 | 4-5(Acid)5 | 4-5(Alkali)5 | ||||
tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate Preparation Products And Raw materials
Raw materials
Preparation Products
Global Suppliers ( 29)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| CONIER CHEM AND PHARMA LIMITED | sales@conier.com | China | 49906 | 58 | |
| DAYANG CHEM (HANGZHOU) CO.,LTD | +86-88938639 +86-17705817739 | info@dycnchem.com | China | 53589 | 58 |
| XIAMEN AMITY INDUSTRY AND TRADE CO., LTD. | +8618950047208 | ellena@amitychem.com | China | 43392 | 58 |
| Supplier | Advantage |
|---|---|
| CONIER CHEM AND PHARMA LIMITED | 58 |
| DAYANG CHEM (HANGZHOU) CO.,LTD | 58 |
| XIAMEN AMITY INDUSTRY AND TRADE CO., LTD. | 58 |
tetrasodium,(3Z)-5-amino-3-[[2-methoxy-5-(2-sulfonatooxyethylsulfonyl)phenyl]hydrazinylidene]-4-oxo-6-[[4-(2-sulfonatooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonate
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-[2-[2-methoxy-5-[[2- (sulfooxy)ethyl]sulfonyl]phenyl]diazenyl ]-3-[2-[4-[[2-( sulfooxy)ethyl]sulfonyl]phenyl]diazenyl] -, sodium salt (1:4)
tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
4-Amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonic acid tetrasodium salt
4-Amino-5-hydroxy-6-[5-[2-(sulfooxy)ethylsulfonyl]-2-methoxyphenylazo]-3-[p-[2-(sulfooxy)ethylsulfonyl]phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt
C.I.Reactive Blue 250
93951-21-4
C27H27N5O20S64Na
