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Benzopurpurin 10B

CAS No.
2868-75-9
Chemical Name:
Benzopurpurin 10B
Synonyms
CI 24100;DIRECT RED 7;C.I.Direct Red 7;Benzopurpurin 10B;Direct Boardeux-BW;Benzopurpurine 10BS;Benzo Purpurine 10B;Direct red 7 (C.I. 24100);C.I.Direct Red 7:C.I.24100;disodium 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-aminonaphthalene-1-sulphonate)
CBNumber:
CB4676898
Molecular Formula:
C34H29N6NaO8S2
Molecular Weight:
736.75
MDL Number:
MFCD00054276
MOL File:
2868-75-9.mol
Last updated:2026-09-12 18:52:56

Benzopurpurin 10B price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich S469645 DIRECT RED 7 (C.I. 24100) AldrichCPR 1 unit $197 2026-04-30 Buy
Sigma-Aldrich S469645 DIRECT RED 7 (C.I. 24100) AldrichCPR 2868-75-9 250MG $179 2024-03-01 Buy
Product number Packaging Price Buy
S469645 1 unit $197 Buy
S469645 250MG $179 Buy

Benzopurpurin 10B Chemical Properties, Uses, Production

Preparation

3,3′-Dimethoxylbenzidine double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

Properties and Applications

blue-ray red. Soluble in water for red, also soluble in alcohol for red orange, insoluble in other organic solvents. The strong sulfuric acid for blue, shallow blue for diluted.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 1-2 4 1 2 2
AATCC 1 4 2-3 3 2

Benzopurpurin 10B Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 9)
Supplier Tel Email Country ProdList Advantage
Merck KGaA -- ordercn@merckgroup.com China 6376 58
Leancare Ltd. -- enquiry@leancare.co.uk United Kingdom 6404 42
HONEST JOY HOLDINGS LIMITED -- sales@honestjoy.cn United States 6614 54
OCEAN TRADING CORPORATION -- otcchem@otcchem.com India 6181 58
City Chemical LLC -- sales@citychemical.com United States 6701 72
Pfaltz & Bauer, Inc. -- sales@pfaltzandbauer.com United States 6815 72
City Chemicals Corporation -- United States 6452 72
DIRECT RED 7 disodium 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-aminonaphthalene-1-sulphonate) Direct Boardeux-BW Direct red 7 (C.I. 24100) 3,3'-[(3,3'-Dimethoxy-1,1'-biphenyl-4,4'-diyl)bis(azo)]bis[4-amino-1-naphthalenesulfonic acid]disodium salt Benzo Purpurine 10B Benzopurpurine 10BS C.I.Direct Red 7 CI 24100 disodium,4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]naphthalene-1-sulfonate C.I.Direct Red 7:C.I.24100 Benzopurpurin 10B 2868-75-9