Blue RX
Also known as Azocard Blue BX, Enianil Blue BX, Niagara Blue BG
Key facts
What buyers check first
- CAS number
- 6420-09-3
- Formula
- C34H27N5O11S3
- Molar mass
- 777.82 g/mol
- EC number
- 229-151-2
- HS code
- 320414
- Category
- Direct dyes
What is Blue RX?
Plain description, key identifiers and synonyms
Blue RX is a chemical substance with the molecular formula C34H27N5O11S3 and a molar mass of 777.82 g/mol. Its CAS registry number is 6420-09-3. The IUPAC name is 5-amino-4-hydroxy-3-[[4-[4-[(1-hydroxy-4-sulfonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-2,7-disulfonic acid.
Identifiers
Registry numbers, names and line notations, tap to copy
- IUPAC name
- 5-amino-4-hydroxy-3-[[4-[4-[(1-hydroxy-4-sulfonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-2,7-disulfonic acid
- CAS number
- 6420-09-3
- EC number
- 229-151-2
- Molecular formula
- C34H27N5O11S3
- InChIKey
- NOFURVVUAXWPPB-UHFFFAOYSA-N
- InChI
- InChI=1S/C34H27N5O11S3/c1-17-11-19(7-9-26(17)36-38-28-16-29(52(45,46)47)23-5-3-4-6-24(23)33(28)40)20-8-10-27(18(2)12-20)37-39-32-30(53(48,49)50)14-21-13-22(51(42,43)44)15-25(35)31(21)34(32)41/h3-16,40-41H,35H2,1-2H3,(H,42,43,44)(H,45,46,47)(H,48,49,50)
- SMILES (canonical and isomeric)
- CC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C(C=C4C=C3S(=O)(=O)O)S(=O)(=O)O)N)O)C)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)O)O
Synonyms
- Azocard Blue BX
- Enianil Blue BX
- Niagara Blue BG
- Diazol Blue V
- Diazol Blue BX
- Direct Blue BX
- Direct Blue BXA
- Direct Blue BXC
- Direct Blue BXR
- Direct Blue MBX
- Benzanil Blue BX
- Benzo Blue BS
- Diphenyl Blue BXR
- Hispamin Blue BXB
- Chloramine Blue BX
- Chlorazol Blue 2R
- Direct Blue 21
- Naphtamine Blue BX
- Brasilamina Blue BR
- Diaphtamine Blue BX
- Tertrodirect Blue BX
- 5-amino-4-hydroxy-3-[[4-[4-[(1-hydroxy-4-sulfonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-2,7-disulfonic acid
- C.I. Direct Blue 21
- C.I. Direct Blue 21, trisodium salt
- Enianil Blue BX (*trisodium salt*)
Show all 34 synonymsShow fewer synonyms
- Direct Blue MBX (*trisodium salt*)
- Hispamin Blue BXB (*trisodium salt*)
- Naphtamine Blue BX (*trisodium salt*)
- C.I. Direct Blue 21 (*trisodium salt*)
- 2,7-Naphthalenedisulfonic acid, {5-amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-3} {,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-,} trisodium salt
- 5-amino-4-hydroxy-3-((4''-((1-hydroxy-4-sulfonaphthalen-2-yl)diazenyl)-3,3''-dimethylbiphenyl-4-yl)diazenyl)naphthalene-2,7-disulfonic acid
- 5-Amino-4-hydroxy-3-((4'-((1-hydroxy-4-sulfo-2-naphthyl)diazenyl)-3,3'-dimethyl[1,1'-biphenyl]-4-yl)diazenyl)-2,7-naphthalenedisulfonic acid
- 5-Amino-4-hydroxy-3-({4'-[(1-hydroxy-4-sulfo-2-naphthyl)diazenyl]-3,3'-dimethyl-1,1'-biphenyl-4-yl}diazenyl)naphthalene-2,7-disulfonic acid-
- 5-amino-4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methyl-phenyl]-2-methyl-phenyl]azo-naphthalene-2,7-disulfonic acid
Physical and chemical properties
Measured values and descriptors computed from the structure
Physical and chemical properties
Measured values, check the supplier specification for your grade
No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.
Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.
Computed descriptors
Calculated from the structure, useful for screening and formulation
| Molecular weight | 777.82 g/molcalc.Computed value |
|---|---|
| Exact mass | 777.0869 Dacalc.Computed value |
| LogP (octanol/water) | 7.84calc.Computed value |
| Topological polar surface area | 279 Ųcalc.Computed value |
| Hydrogen bond donors | 6calc.Computed value |
| Hydrogen bond acceptors | 13calc.Computed value |
| Rotatable bonds | 8calc.Computed value |
| Heavy atoms | 53calc.Computed value |
| Rings | 6calc.Computed value |
| Aromatic rings | 6calc.Computed value |
| Fraction sp3 carbons | 0.06calc.Computed value |
| Formal charge | 0calc.Computed value |
| Stereocentres | 0calc.Computed value |
| Lipinski rule of five | Fails (4 violations)calc.Computed value |
Calculated for screening. Confirm critical figures with the supplier.
Murcko scaffold
The ring system that remains when every side chain is removed
c1ccc2cc(N=Nc3ccc(-c4ccc(N=Nc5ccc6ccccc6c5)cc4)cc3)ccc2c1
6 rings, 36 atoms.
154 other chemicals share this scaffoldSafety and hazards
GHS classification summary, not a safety data sheet
No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.
GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.
Blue RX suppliers
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Blue RX price
Indicative price range per kg from live supplier offers
Suppliers quote this chemical on request. Send one free request and compare quotes side by side.
Uses and applications
What the substance is used for, by industry and function
Industries and functions
Regulatory status
Inventories, regulations and trade controls that list this substance
No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.
HS code and trade data
Customs classification and reported world trade statistics
Global trade
World import and export statistics for the HS code Blue RX is traded under.
Direct dyes and preparations based thereon
- Italy9.8%
- Germany8.7%
- Netherlands7.8%
* Partner reported figures, a lower bound.
The HS code shown for Blue RX is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.
Related chemicals
Parent and salt forms, stereoisomers, similar structures and isomers
Salt and hydrate forms
Records that share this compound as their parent
Similar structures
Nearest neighbours by Morgan fingerprint Tanimoto similarity
![5-Amino-3-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthyl)diazenyl)-3,3'-dimethyl[biphenyl]-4-yl)diazenyl)-4-hydroxy-2,7-naphthalenedisulfonic acid chemical structure, C34H28N6O11S3, CAS 781550-50-3](/s/CXCSSAYCIOQQJB-UHFFFAOYSA-N.svg)
![2, 5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sulfo-2-naphthyl)azo]-3,3'-dimethyl-4-biphenylyl]azo]-4-hydroxy-, trisodium salt chemical structure, C34H28N6NaO11S3+](/s/KEULGKXRIDZACM-UHFFFAOYSA-N.svg)
Same formula isomers
Different compounds that share this molecular formula
Guides for buyers
Practical guides that help when you source, ship or handle Blue RX
- Article, SourcingHow to write an RFQ that gets fast and accurate quotesWhat suppliers need to quote quickly and comparably: exact product identity, quantity and packing, delivery terms, documents, samples and payment, with a ready to use template.Read
- Guide, Trade and logisticsHS codes for chemicals and why they matterHow the Harmonized System classifies chemicals, the chapters that matter, the rules for chemically defined compounds and mixtures, and practical steps to find the right code.Read
- Guide, Chemical identityCAS registry numbers explainedWhat a CAS number identifies, how the check digit works, why one chemical can have several numbers and what a CAS number cannot tell you about a product.Read
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