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DISPERSE BLACK 9

DISPERSE BLACK 9 structure

CAS No.: 20721-50-0

Chemical Name:: DISPERSE BLACK 9

Synonyms: Einecs 243-987-5;DISPERSE BLACK 9 ISO 9001：2015 REACH;Ethanol, 2,2-4-(4-aminophenyl)azophenyliminobis-;2,2'-((p-((p-Aminophenyl)azo)phenyl)imino)diethanol;2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol;2,2’-[[4-[(4-aminophenyl)azo]phenyl]imino]bis-ethano;Ethanol, 2,2'-((4-(2-(4-aminophenyl)diazenyl)phenyl)imino)bis-

CBNumber:: CB4152440

Molecular Formula:: C16H20N4O2

Molecular Weight:: 300.36

MDL Number:: MFCD00161159

MOL File:: 20721-50-0.mol

Last updated:2025-03-28 17:34:19

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DISPERSE BLACK 9 Properties

Melting point	157-160 °C(lit.)
Boiling point	569.2±50.0 °C(Predicted)
Density	1.22±0.1 g/cm3(Predicted)
storage temp.	room temp
pka	14.21±0.10(Predicted)
form	powder
λmax	461 nm
ε(extinction coefficient)	≥20000 at 458-464nm in H2O
LogP	2.500 (est)
FDA UNII	7GKC99M24T
EPA Substance Registry System	Ethanol, 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bis- (20721-50-0)
UNSPSC Code	12171500
NACRES	NA.47

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P305+P351+P338
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3

DISPERSE BLACK 9 price More Price(2)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
American Custom Chemicals Corporation	DYE0002677	DISPERSE BLACK 9 95.00%	20721-50-0	1G	$172.2	2021-12-16	Buy
Chem-Impex	41955	DisperseBlack9,≥97%(Dyecontent),suitableforHematology&Histology ≥97%(Dyecontent)	20721-50-0	5G	$225.97	2021-12-16	Buy

Product number	Packaging	Price	Buy
DYE0002677	1G	$172.2	Buy
41955	5G	$225.97	Buy

DISPERSE BLACK 9 Chemical Properties,Uses,Production

Uses

diagnostic assay manufacturing
hematology
histology

DISPERSE BLACK 9 Preparation Products And Raw materials

Raw materials

Preparation Products

DISPERSE BLACK 9 Suppliers

Global( 17)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58
Hebei Bonster Technology Co.,Limited	+86-13315996897	bsterltd.wendy@gmail.com	China	792	58
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	1026@dideu.com	China	22483	58
Energy Chemical	021-021-58432009 400-005-6266	sales8178@energy-chemical.com	China	44731	61
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51395	80
Alfa Chemistry	1-516-6625404	support@alfa-chemistry.com	United States	9171	60
Shaanxi Dideu Newmaterial Co., Ltd.	029-63373950 17392213970	1052@dideu.com	China	9914	58
Hubei Danding Pharmaceutical Technology Co., Ltd	17701422016	3587493084@qq.com	China	8629	58
Merck KGaA	21-20338288	ordercn@merckgroup.com	China	6394	58

Supplier	Advantage
Hubei Jusheng Technology Co.,Ltd.	58
Hebei Bonster Technology Co.,Limited	58
Dideu Industries Group Limited	58
Energy Chemical	61
Sigma-Aldrich	80
Alfa Chemistry	60
Shaanxi Dideu Newmaterial Co., Ltd.	58
Hubei Danding Pharmaceutical Technology Co., Ltd	58
Merck KGaA	58

DISPERSE BLACK 9 Spectrum

DISPERSE BLACK 9(20721-50-0)IR

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Ethanol, 2,2-4-(4-aminophenyl)azophenyliminobis- 2,2’-[[4-[(4-aminophenyl)azo]phenyl]imino]bis-ethano 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol 2,2'-((p-((p-Aminophenyl)azo)phenyl)imino)diethanol Einecs 243-987-5 Ethanol, 2,2'-((4-(2-(4-aminophenyl)diazenyl)phenyl)imino)bis- DISPERSE BLACK 9 ISO 9001：2015 REACH 20721-50-0 C16H20N4O2 H2NC6H4NNC6H4NCH2CH2OH2 Organics dye