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Congo red

Molecular FormulaC₃₂H₂₂N₆Na₂O₆S₂
Average mass696.663 Da
Monoisotopic mass696.083740 Da
ChemSpider ID10838

- Charge
- Double-bond stereo

More details:

Featured data source

Names and Synonyms
Database ID(s)

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Congo red [Wiki]

1-naphthalenesulfonic acid, 3,3'-([1,1'-biphenyl]-4,4'-diyldiazo)bis[4-amino-, disodium salt

1-Naphthalenesulfonic acid, 3,3'-[[1,1'-biphenyl]-4,4'-diyldi(E)-2,1-diazenediyl]bis[4-amino-, sodium salt (1:2) [ACD/Index Name]

209-358-4 [EINECS]

3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[4-amino-1-naphthalenesulfonic Acid] Disodium Salt

3,3'-[4,4'-Biphényldiyldi(E)-2,1-diazènediyl]bis(4-amino-1-naphtalènesulfonate) de disodium [French] [ACD/IUPAC Name]

3894858 [Beilstein]

3U05FHG59S

573-58-0 [RN]

CI Direct Red 28

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Congo Red 4B

Cosmos Red

Cotton Red B

Cotton Red C

Dinatrium-3,3'-[4,4'-biphenyldiyldi(E)-2,1-diazendiyl]bis(4-amino-1-naphthalinsulfonat) [German] [ACD/IUPAC Name]

Direct Red 28

Direct Red R

Direct Red Y

Disodium 3,3'-[4,4'-biphenyldiyldi(E)-2,1-diazenediyl]bis(4-amino-1-naphthalenesulfonate) [ACD/IUPAC Name]

Disodium 3,3'-[biphenyl-4,4'-diyldi(E)diazene-2,1-diyl]bis(4-aminonaphthalene-1-sulfonate)

disodium 4-amino-3-[(1E)-2-{4'-[(1E)-2-(1-amino-4-sulfonatonaphthalen-2-yl)diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]naphthalene-1-sulfonate

MFCD00004028 [MDL number]

QK1400000

Sodium Diphenyldiazo-bis-a-naphthylaminesulfonate

[573-58-0] [RN]

1-Naphthalenesulfonic acid, 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-amino-, disodium salt

1-Naphthalenesulfonic acid, 3,3'-(4,4'-biphenylenebis(azo))bis(4-amino-, disodium salt

1-NAPHTHALENESULFONIC ACID, 3,3'-[[1,1'-BIPHENYL]-4,4'-DIYLBIS(AZO)]BIS[4-AMINO-, DISODIUM SALT

1-Naphthalenesulfonic acid, 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[4-amino-, disodium salt (9CI)

1-Naphthalenesulfonic acid,3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[4-amino-, disodium salt

3,3ʹ

3,3&prime

3,3'-[[1,1'Biphenyl]-4,4'-diylbis(azo)-]bis[4-amino-1-naphthalenesulfonic acid] disodium salt

4-amino-3-[(E)-[4-[4-[(E)-(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo]naphthalene-1-sulfonate

4-amino-3-[(E)-[4-[4-[(E)-(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate

550-08-3 [RN]

70248-72-5 [RN]

87440-95-7 [RN]

Atlantic Congo Red

Atul Congo Red

Azocard Red Congo

Benzo Congo Red

Brasilamina congo 4B

C.I. Direct Red 28

C.I. Direct Red 28, disodium salt

C.I. Direct Red 28, disodium salt (8CI)

C.I.Direct Red 28

Cerven kongo [Czech]

Cerven prima 28 [Czech]

CHEBI:34653

CI Direct Red 28 Congo red

Colour Index, Direct Red 28

Congazone sodium

Congo Red (C.I. 22120)

Congo Red 4BX

Congo Red CR

Congo Red H

Congo Red ICI

Congo red indicator

Congo Red K

Congo Red L

Congo Red M

Congo Red N

Congo Red R

Congo Red RS

Congo Red sodium salt

Congo Red W

Congo Red WS

Congo Red, High Purity

Congo Red, High Purity - CAS 573-58-0 - Calbiochem

congo-red

Cosmosred

Cotton Red 4BC

Cotton Red 5B

COTTON RED L

Diacotton Congo Red

Direct Congo Red

Direct Red C

Direct Red DC-CF

Direct Red K

Direct Red, C.I. #22120

Disodium

disodium 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-aminonaphthalene-1-sulphonate)

Disodium 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate)

disodium 3,3'-[4,4'-biphenyldiylbis(2,1-diazenediyl)]bis(4-amino-1-naphthalenesulfonate)

disodium 4-amino-3-[(E)-[4-[4-[(E)-(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo]naphthalene-1-sulfonate

DISODIUM 4-AMINO-3-[2-(4-{4-[2-(1-AMINO-4-SULFONATONAPHTHALEN-2-YL)DIAZEN-1-YL]PHENYL}PHENYL)DIAZEN-1-YL]NAPHTHALENE-1-SULFONATE

disodium 4-amino-3-[4-[4-(1-amino-4-sulfonatonaphthalen-2-yl)diazenylphenyl]phenyl]diazenylnaphthalene-1-sulfonate

disodium 4-amino-3-[4-[4-(1-amino-4-sulfonato-naphthalen-2-yl)diazenylphenyl]phenyl]diazenyl-naphthalene-1-sulfonate

disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-1-naphthalenesulfonate

disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-naphthalene-1-sulfonate

disodium;4-amino-3-[(E)-[4-[4-[(E)-(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo]naphthalene-1-sulfonate

disodium;4-amino-3-[(E)-[4-[4-[(E)-(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate

disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate

-diylbis(azo)]bis(4-amino-1-naphthalenesulfonic Acid) 2Na

EINECS 209-358-4

Erie Congo 4B

Haemomedical

Haemonorm

Hemorrhagyl

Hispamin congo 4B

Kayaku Congo Red

Kongorot [German]

Kongorot

Kongorot [German]

Mitsui Congo Red

Natrium-salz der diphenyl-bis-azo-bis-naphthylamin-4-sulfonsaeure [German]

NSC-75913

Peeramine Congo Red

Red K

Sodium diphenyldiazo-bis(α-naphthylaminesulfonate)

Sodium diphenyldiazo-bis-α-naphthylamine sulfonate

Sodium diphenyldiazo-bis-α-naphthylaminesulfonate

Solucongo

Sugai Congo Red

Tertrodirect Red C

Trisulfon Congo Red

UNII:3U05FHG59S

UNII-3U05FHG59S

Vondacel Red CL

剛果紅 [Chinese]

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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

22120 [DBID]

32651_RIEDEL [DBID]

3894858; 741468 [DBID]

AI3-63036 [DBID]

C.I. 22120 [DBID]

C14078 [DBID]

C6277_SIGMA [DBID]

C6767_SIGMA [DBID]

CCRIS 2277 [DBID]

HSDB 4225 [DBID]

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Experimental data
Predicted - ACD/Labs
Predicted - ChemAxon

Miscellaneous

Appearance:

brown-red powder OU Chemical Safety Data (No longer updated) More details
Stability:

Stable. Incompatible with strong oxidizing agents. OU Chemical Safety Data (No longer updated) More details
Toxicity:

ORL-RAT LD50 15200 mg kg-1 OU Chemical Safety Data (No longer updated) More details

Safety:

Chemical Class:

An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0. ChEBI https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:34653

Bio Activity:

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

No predicted properties have been calculated for this compound.

Density:
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors:
#H bond donors:
#Freely Rotating Bonds:
#Rule of 5 Violations:

ACD/LogP:
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area:
Polarizability:
Surface Tension:
Molar Volume:

Click to predict properties on the Chemicalize site

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Congo red

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