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C.I. Basic Brown 4

2,4-bis(2,4-diamino-5-methyl-1-benzenazo)toluene

CAS: 5421-66-9

Molecular Formula: C21H25ClN8

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C.I. Basic Brown 4 - Names and Identifiers

Name 2,4-bis(2,4-diamino-5-methyl-1-benzenazo)toluene
Synonyms CI NO 21010
bismarkbrownr
abcolbrownrconc
C.I. Basic Brown 4
Basic Brown 4, Vesuvin
2,4-bis(2,4-diamino-5-methyl-1-benzenazo)toluene
2,4-Bis(2,4-diamino-5-methyl-1-benzenazo)toluene dihydrochloride
3-benzenediamine,4,4'-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-dihyd
1,3-Benzenediamine, 4,4'-((4-methyl-1,3-phenylene)bis(2,1-diazenediyl))bis(6-methyl)-
4-[3-(2,4-diamino-5-methyl-phenyl)azo-4-methyl-phenyl]azo-6-methyl-benzene-1,3-diamine
1,3-Benzenediamine,4,4'-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-,dihydrochloride
CAS 5421-66-9
EINECS 226-541-4
InChI InChI=1/C21H24N8/c1-11-4-5-14(26-28-20-6-12(2)15(22)9-17(20)24)8-19(11)27-29-21-7-13(3)16(23)10-18(21)25/h4-10H,22-25H2,1-3H3

C.I. Basic Brown 4 - Physico-chemical Properties

Molecular FormulaC21H25ClN8
Molar Mass424.94
Density1.34g/cm3
Melting Point222°C (dec.)(lit.)
Boling Point729°C at 760 mmHg
Flash Point394.7°C
Water SolubilitySoluble in water
Vapor Presure4.17E-21mmHg at 25°C
AppearancePowder
ColorBrown to Black
OdorOdorless
BRN1829673
Storage ConditionRoom Temprature
Refractive Index1.696

C.I. Basic Brown 4 - Risk and Safety

WGK Germany3
TSCAYes

C.I. Basic Brown 4 - Reference Information

color index 21010
EPA chemical information Information provided by: ofmpub.epa.gov (external link)
use mainly used for dyeing cotton, acrylic, viscose, leather, paper and grass and wood products, and can also be used to make lakes
used for dyeing silk, wool and tannin mordant cotton. It is also used for leather dyeing and paper, bamboo and wood coloring and manufacturing lakes and solvent dyes. Refined products are used as microscopic examination reagents.
Last Update:2024-04-09 20:49:11
C.I. Basic Brown 4
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Shanghai Macklin Biochemical Co., Ltd
Featured ProductsSpot supply
Product Name: Bismarck Brown R Visit Supplier Webpage Request for quotation
CAS: 5421-66-9
Tel: +86-18821248368
Email: Int06@meryer.com
Mobile: +86-18821248368
QQ: 495145328 Click to send a QQ message
WhatsApp: +86-18821248368
Shanghai Amole Biotechnology Co., Ltd.
Spot supply
Product Name: Bismarck Brown R Request for quotation
CAS: 5421-66-9
Tel: 400-968-2212
Email: 3623107365@qq.com
Mobile: 18916960931
QQ: 3623107365 Click to send a QQ message
Wechat: 18916960931
SHANGHAI ACMEC BIOCHEMICAL TECHNOLOGY CO., LTD.
Spot supply
Product Name: Bismarck Brown R Visit Supplier Webpage Request for quotation
CAS: 5421-66-9
Tel: +86-400-900-4166
Email: product@acmec-e.com
Mobile: +86-18621343501
QQ: 2881950922 Click to send a QQ message
Wechat: 18621343501
WhatsApp: +86-18621343501
MedChemExpress (MCE)
Spot supply
Product Name: Bismarck Brown R Visit Supplier Webpage Request for quotation
CAS: 5421-66-9
Tel: 609-228-6898
Email: sales@medchemexpress.com
     tech@medchemexpress.com
Mobile: 609-228-6898
Shanghai Yuanye Bio-Technology Co., Ltd.
Product Name: BISMARCK BROWN R Visit Supplier Webpage Request for quotation
CAS: 5421-66-9
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409 Click to send a QQ message
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C.I. Basic Brown 4
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