2610-11-9 7E49Q56PNB CI 28160 Direct red y81 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo)-, disodium salt Direct Red 81 C.I. Direct Red 81 (7CI) Disodium 7-benzamido-4-hydroxy-3-((4-((4-sulphonatophenyl)azo)phenyl)azo)naphthalene-2-sulphonate 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo)-,disodium salt 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-(2-(4-(2-(4-sulfophenyl)diazenyl)phenyl)diazenyl)-, sodium salt (1:2) C.I. 28160 C.I. Direct Red 81 (VAN) Airedale Red KD Aizen Primula Red 4BH Amanil Fast Red 8BL Amanil Fast Red 8BLW Belamine Fast Red 8BL Belamine Fast Red 8 BL Benzanil Fast Red K Benzo Fast Red 8BL Bordeaux EMBL Calcodur Red 8BL CCRIS 1475 Chloramine Fast Red K Chloramine Fast Red 5BL Chlorantine Fast Red Chlorantine Fast Red 5B (6CI) Chrome Leather Red 5B Dialuminous Red 4B Diaphtamine Light Red 4B Diazine Fast Red 8BK Diazo Light Red 8B Diazo Light Red 8BD Diazol Light Red 8B Diphenyl Fast 5BL Supra I Red Diphenyl Fast Red 5BL Diphenyl Fast Red 5BLN Direct Fast Red 2S Direct Fast Red 5B Direct Fast Red 8BL Direct Light Red M 8BL Direct Light Red 4B Direct Light Red 8B Direct Lightfast Red 2S Durazol Red 2B Durazol Red 2BP EINECS 220-028-9 Eliamina Red 8BL Fastolite Red 8BL Fastusol Red 4BA-CF Fenaluz Red 4B Helion Red 8B Hispaluz Red 8BL Japan Red No. 505 NSC 326198 Paranol Fast Red 8BL Pheno Fast Scarlet 9B Pontamine Fast Red 8BLX Pryamoi krasnyi svetoprochnyi 2S Pyrazol Fast Red 5BL Pyrazol Fast Red 8BL Pyrazoline Red 8BL Saturn Red B Sirius Red 4B Sirius Red 4BA Solantine Red 8BL Solar Red B Solius Red 4B Sumilight Red 4B Suprazo Red 4B Suprexcel Red 8BL Tertrodirect Fast Red 5B Tetramine Fast Red 8B Triantine Fast Red 4BN Triantine Light Red 4BN C.I. Direct Red 81 disodium salt UNII-7E49Q56PNB EC 220-028-9 C.I. Direct Red 81, disodium salt Solaminrot 4B CAS 2610-11-9

Purity 97%+In StockPharmaceutical Standards
CAS No.2610-11-9
Molecular FormulaC29H47N5O8S2 2*Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2610-11-9
7E49Q56PNB
CI 28160
Direct red y81
2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo)-, disodium salt
Direct Red 81
C.I. Direct Red 81 (7CI)
Disodium 7-benzamido-4-hydroxy-3-((4-((4-sulphonatophenyl)azo)phenyl)azo)naphthalene-2-sulphonate
2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo)-,disodium salt
2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-(2-(4-(2-(4-sulfophenyl)diazenyl)phenyl)diazenyl)-, sodium salt (1:2)
C.I. 28160
C.I. Direct Red 81 (VAN)
Airedale Red KD
Aizen Primula Red 4BH
Amanil Fast Red 8BL
Amanil Fast Red 8BLW
Belamine Fast Red 8BL
Belamine Fast Red 8 BL
Benzanil Fast Red K
Benzo Fast Red 8BL
Bordeaux EMBL
Calcodur Red 8BL
CCRIS 1475
Chloramine Fast Red K
Chloramine Fast Red 5BL
Chlorantine Fast Red
Chlorantine Fast Red 5B (6CI)
Chrome Leather Red 5B
Dialuminous Red 4B
Diaphtamine Light Red 4B
Diazine Fast Red 8BK
Diazo Light Red 8B
Diazo Light Red 8BD
Diazol Light Red 8B
Diphenyl Fast 5BL Supra I Red
Diphenyl Fast Red 5BL
Diphenyl Fast Red 5BLN
Direct Fast Red 2S
Direct Fast Red 5B
Direct Fast Red 8BL
Direct Light Red M 8BL
Direct Light Red 4B
Direct Light Red 8B
Direct Lightfast Red 2S
Durazol Red 2B
Durazol Red 2BP
EINECS 220-028-9
Eliamina Red 8BL
Fastolite Red 8BL
Fastusol Red 4BA-CF
Fenaluz Red 4B
Helion Red 8B
Hispaluz Red 8BL
Japan Red No. 505
NSC 326198
Paranol Fast Red 8BL
Pheno Fast Scarlet 9B
Pontamine Fast Red 8BLX
Pryamoi krasnyi svetoprochnyi 2S
Pyrazol Fast Red 5BL
Pyrazol Fast Red 8BL
Pyrazoline Red 8BL
Saturn Red B
Sirius Red 4B
Sirius Red 4BA
Solantine Red 8BL
Solar Red B
Solius Red 4B
Sumilight Red 4B
Suprazo Red 4B
Suprexcel Red 8BL
Tertrodirect Fast Red 5B
Tetramine Fast Red 8B
Triantine Fast Red 4BN
Triantine Light Red 4BN
C.I. Direct Red 81 disodium salt
UNII-7E49Q56PNB
EC 220-028-9
C.I. Direct Red 81, disodium salt
Solaminrot 4B CAS 2610-11-9 chemical structure

Description

2610-11-9 7E49Q56PNB CI 28160 Direct red y81 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo)-, disodium salt Direct Red 81 C.I. Direct Red 81 (7CI) Disodium 7-benzamido-4-hydroxy-3-((4-((4-sulphonatophenyl)azo)phenyl)azo)naphthalene-2-sulphonate 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo)-,disodium salt 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-(2-(4-(2-(4-sulfophenyl)diazenyl)phenyl)diazenyl)-, sodium salt (1:2) C.I. 28160 C.I. Direct Red 81 (VAN) Airedale Red KD Aizen Primula Red 4BH Amanil Fast Red 8BL Amanil Fast Red 8BLW Belamine Fast Red 8BL Belamine Fast Red 8 BL Benzanil Fast Red K Benzo Fast Red 8BL Bordeaux EMBL Calcodur Red 8BL CCRIS 1475 Chloramine Fast Red K Chloramine Fast Red 5BL Chlorantine Fast Red Chlorantine Fast Red 5B (6CI) Chrome Leather Red 5B Dialuminous Red 4B Diaphtamine Light Red 4B Diazine Fast Red 8BK Diazo Light Red 8B Diazo Light Red 8BD Diazol Light Red 8B Diphenyl Fast 5BL Supra I Red Diphenyl Fast Red 5BL Diphenyl Fast Red 5BLN Direct Fast Red 2S Direct Fast Red 5B Direct Fast Red 8BL Direct Light Red M 8BL Direct Light Red 4B Direct Light Red 8B Direct Lightfast Red 2S Durazol Red 2B Durazol Red 2BP EINECS 220-028-9 Eliamina Red 8BL Fastolite Red 8BL Fastusol Red 4BA-CF Fenaluz Red 4B Helion Red 8B Hispaluz Red 8BL Japan Red No. 505 NSC 326198 Paranol Fast Red 8BL Pheno Fast Scarlet 9B Pontamine Fast Red 8BLX Pryamoi krasnyi svetoprochnyi 2S Pyrazol Fast Red 5BL Pyrazol Fast Red 8BL Pyrazoline Red 8BL Saturn Red B Sirius Red 4B Sirius Red 4BA Solantine Red 8BL Solar Red B Solius Red 4B Sumilight Red 4B Suprazo Red 4B Suprexcel Red 8BL Tertrodirect Fast Red 5B Tetramine Fast Red 8B Triantine Fast Red 4BN Triantine Light Red 4BN C.I. Direct Red 81 disodium salt UNII-7E49Q56PNB EC 220-028-9 C.I. Direct Red 81, disodium salt Solaminrot 4B (CAS 2610-11-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C29H47N5O8S2 2*Na. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC29H47N5O8S2 2*Na
Molecular Weight680.83 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms5
Sulfur Atoms2

Recommended Standards

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