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1-Naphthalenesulfonic acid, 6-(2-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-5-hydroxy-, sodium salt (1:2)

HCID 19245
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Basic information

CAS
3624-68-8
Standard SMILES
O=S(=O)([O-])c1cc(Cl)cc(N=Nc2ccc3c(S(=O)(=O)[O-])cccc3c2O)c1O.[Na+].[Na+]
InChIKey
UVDODHCPLWXDSI-UHFFFAOYSA-L
Molecular formula
C16H9ClN2Na2O8S2
Average molar mass
502.8 g/mol
Monoisotopic mass
501.9284239

Names & identifiers

Preferred name
1-Naphthalenesulfonic acid, 6-(2-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-5-hydroxy-, sodium salt (1:2)
IUPAC
disodium;6-[(5-chloro-2-hydroxy-3-sulfonatophenyl)diazenyl]-5-hydroxynaphthalene-1-sulfonate
English name
6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt
Molecular formula
C16H9ClN2Na2O8S2
Molecular weight
502.81

Names & synonyms

EINECS 222-828-31-Naphthalenesulfonic acid, 6-((5-chloro-2-hydroxy-3-sulfophenyl)azo)-5-hydroxy-, disodium salt1-Naphthalenesulfonic acid, 6-(2-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl)-5-hydroxy-, sodium salt (1:2)1-Naphthalenesulfonic acid, 6-[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-5-hydroxy-, disodium salt1-Naphthalenesulfonic acid, 6-[2-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl]-5-hydroxy-, sodium salt (1:2)RefChem:4349341-Naphthalenesulfonic acid, 6-(5-chloro-2-hydroxy-3-sulfophenyl)azo-5-hydroxy-, disodium saltMordant Blue 9C.I. MORDANT BLUE 9, DISODIUM SALT6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium saltdisodium;6-[(5-chloro-2-hydroxy-3-sulfonatophenyl)diazenyl]-5-hydroxynaphthalene-1-sulfonateSCHEMBL590710
Show more names
CI 14855Fast Navy 2RNavy Blue RLMordant Blue 2RLC.I.Mordantblue9AcidmordantblueA3R

Properties

Computed structural properties

Topological polar surface area
196 Ų
Hydrogen bond donors
2
Hydrogen bond acceptors
10
Rotatable bonds
2
Heavy atoms
31
Formal charge
0
Complexity
798

Physicochemical properties

storage temp.
room temp
solubility
2 O: · H2O: 1 mg/mL
form
Fine Crystalline Powder
Colour Index
14855 · 14855
color
Dark blue
Water Solubility
2 O: · H2O: 1mg/mL
λmax
516 nm · 516 nm
Major Application
diagnostic assay manufacturinghematologyhistology
InChIKey
FBNOWTWLVCWGCZ-BUFQOAPZSA-L
SMILES
[Na+].[Na+].Oc1c(cc(Cl)cc1S([O-])(=O)=O)\N=N\c2ccc3c(cccc3c2O)S([O-])(=O)=O
EPA Substance Registry System
9 · C.I. Mordant Blue 9, disodium salt (3624-68-8)
UNSPSC Code
12171500 · 12171500
NACRES
47 · NA.47
Safety Statements
24 · 24/25
WGK Germany
3 · 3
TSCA
TSCA listed
HS Code
32041200 · 32041200

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Hazard information

Regulatory Information · 2 items

Chemical: 1-Naphthalenesulfonic acid, 6-[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-5-hydroxy-, disodium salt

1-Naphthalenesulfonic acid, 6-(5-chloro-2-hydroxy-3-sulfophenyl)azo-5-hydroxy-, disodium salt: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationIMAP assessments - 1-Naphthalenesulfonic acid, 6-[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-5-hydroxy-, disodium salt: Human health tier I assessment

Safety data

wgk
3
tsca
TSCA listed
hs_code
32041200
safety_code
24/25
Storage Class
11 - Combustible Solids

Chemistry & industry

Uses & manufacturing

General Manufacturing Information1-Naphthalenesulfonic acid, 6-[2-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl]-5-hydroxy-, sodium salt (1:2): ACTIVE

Applications

Usesdiagnostic assay manufacturinghematologyhistology

Preparation methods

Preparation3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazotization, and 5-Hydroxynaphthalene-1-sulfonic acidcoupling.

Upstream & downstream products

Upstream raw materials

2-Amino-4-chlorophenol-6-sulfonic acid1-Naphthol-5-sulfonic acid

Related reactions

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Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Mordant Blue 9, pure
Acid Mordant Navy Bl
Acid mordant Blue 9
orb2565760SCHEMBL2859111DTXSID5063104Mordant Blue 9, Dye content 50 %AKOS024319592T86924Disodium 6-[(5-chloro-2-hydroxy-3-sulfonatophenyl)diazenyl]-5-hydroxynaphthalene-1-sulfonate

Database identifiers

CAS
3624-68-8
PubChem CID
19245
DTXSID
DTXSID5063104
EC Number
222-828-3
Storage Class
11 · 11 - Combustible Solids