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ACID RED 151

ACID RED 151 structure

CAS No.: 6406-56-0

Chemical Name:: ACID RED 151

Synonyms: redl;CI 26900;Red F2R;silkredb;silkred3b;polanredbr;Acid Red BL;azosilkred3b;ACID RED 151;clothscarlet

CBNumber:: CB4409825

Molecular Formula:: C22H15N4NaO4S

Molecular Weight:: 454.43

MDL Number:: MFCD00003903

MOL File:: 6406-56-0.mol

MSDS File:: SDS

Last updated:2025-12-31 14:38:37

Product description	Number	Pack Size	Price
ACIDRED151	16265	10g	$580
ACID RED 151 95.00%	DYE0000088	10G	$1103.6
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ACID RED 151 Properties

Boiling point	855.43℃[at 101 325 Pa]
Density	1.41[at 20℃]
vapor pressure	0Pa at 25℃
form	Powder
color	Brown
Water Solubility	10mg/L at 25℃
LogP	2.68 at 25℃
EPA Substance Registry System	C.I. Acid Red 151, monosodium salt (6406-56-0)

SAFETY

Risk and Safety Statements

Hazard statements	H412
Precautionary statements	P273-P501
RTECS	DB7084500
TSCA	TSCA listed

ACID RED 151 price More Price(2)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Medical Isotopes, Inc.	16265	ACIDRED151	6406-56-0	10g	$580	2021-12-16	Buy
American Custom Chemicals Corporation	DYE0000088	ACID RED 151 95.00%	6406-56-0	10G	$1103.6	2021-12-16	Buy

Product number	Packaging	Price	Buy
16265	10g	$580	Buy
DYE0000088	10G	$1103.6	Buy

ACID RED 151 Chemical Properties,Uses,Production

Chemical Properties

Dark red powder. Still soluble in water, aqueous solution is turbid brown-orange, adding concentrated hydrochloric acid is orange-brown; adding concentrated sodium hydroxide solution is dark purple. Soluble in ethanol is orange-red, also soluble in ethylene glycol ethyl ether, insoluble in other organic solvents. In concentrated sulfuric acid is bluish green, diluted weak brown-orange color.

Uses

C.I. Acid red 151 is an acid red dye that can be adsorbed and removed by bentone clay.

Preparation

4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and Naphthalen-2-ol coupling.

Flammability and Explosibility

Not classified

Properties and Applications

red. Dark red powder. Soluble in water is cloudy brown light orange, soluble in ethanol (orange) and soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid as blue light green, a weak light brown after diluted orange. Its water solution and strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution for dark purple. Apply to polyamide, silk, wool and wool fabric dyeing of, also can used for the polyamide plastic shading. Can also be used in leather dyeing.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	4	4	3-4	4	4	3-4	4	3-4
AATCC	6	3	3	2-3			3	3

References

[1] Baskaralingam P, Pulikesi M, Elango D, et al. Adsorption of acid dye onto organobentonite[J]. Journal of hazardous materials, 2006, 128(2-3): 138-144.

ACID RED 151 Preparation Products And Raw materials

Raw materials

4'-Aminoazobenzene-4-sulphonic acid 2-Naphthol 4-aminoazobenzene-4-sulfonic acid

Preparation Products

ACID RED 151 Suppliers

Global( 96)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29795	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	1026@dideu.com	China	18895	58
AFINE CHEMICALS LIMITED	+86-0571-85134551	sales@afinechem.com	China	15079	58
Finetech Industry Limited	+86-27-8746-5837 +8619945049750	info@finetechnology-ind.com	China	9541	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52705	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49968	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	ellena@amitychem.com	China	43416	58
Chongqing Chemdad Co., Ltd	+86-023-6139-8061 +86-86-13650506873	sales@chemdad.com	China	39927	58

Supplier	Advantage
CONIER CHEM AND PHARMA LIMITED	58
career henan chemical co	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Dideu Industries Group Limited	58
AFINE CHEMICALS LIMITED	58
Finetech Industry Limited	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
GIHI CHEMICALS CO.,LIMITED	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58
Chongqing Chemdad Co., Ltd	58

View Lastest Price from ACID RED 151 manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2019-12-24	ACID RED 151 6406-56-0	US $1.00 / KG	1KG	98%HPLC	10t	Career Henan Chemical Co

ACID RED 151
6406-56-0
US $1.00 / KG
98%HPLC
Career Henan Chemical Co

ACID RED 151 Spectrum

ACID RED 151(6406-56-0)¹HNMR ACID RED 151(6406-56-0)¹³CNMR ACID RED 151(6406-56-0)IR1 ACID RED 151(6406-56-0)IR2

6406-56-0(ACID RED 151)Related Search:

ACID RED 150 Acid Red 57 C.I. Acid Red 158 CIACIDRED151 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt

Acid Red 154 2-Naphthalenesulfonic acid, 6-(acetylamino)-3-([1,1'-biphenyl]-2-ylazo)-4-hydroxy-, monosodium salt SUPRANOL BRILLIANT RED 3B 2,7-Naphthalenedisulfonic acid, 4,4'-[(2,2'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-hydroxy-, sodium salt (1:4) ACID RED 66

ACID RED 151 CROCEIN SCARLET 7B Ponceau S ERIOCHROME VERDONE A Acid Violet 48

Acid Orange 156 Acid Red 315 Acid Red 142

1of4

ACID RED 151 CI 26900 4-((4-((2-hydroxy-1-naphthalenyl)azo)phenyl)azo)-benzenesulfonicacimonoso Acid Scarlet F-2R TYUFVOHUHUKSSV-RVTJCSDESA-N 4-[[4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-benzenesulfonicacimonoso acidred151(c.i.26900) amacidneutralredbw azosilkred3b Benzenesulfonicacid,4-[[4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-,monosodiumsalt C.I.Acidred151 c.i.acidred151,monosodiumsalt Red F2R Acid Milling Red F2R Acid Red BL Acid Silk Red 3B Ambinyl Red MBR Dermacid Red S Kenamide Red K3R Triacid Red S Vilmanyl Red N-FL. Weak Acid Red BL clothscarlet fastsilkredtr monosodium4-((4-((2-hydroxy-1-naphthalenyl)azo)phenyl)azo)benzenesulfonate polanredbr redl silkred3b silkredb silkscarletgl tertracidmillingscarletgf Acid Red 151 (C.I.) sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate 4-(2-Hydroxy-1-naphtylazo)azobenzene-4'-sulfonic acid sodium salt 4-[[4-[(2-Hydroxy-1-naphtyl)azo]phenyl]azo]benzenesulfonic acid sodium salt Benzenesulfonicacid,4-[[4-[(2-h ACID RED 151 ISO 9001：2015 REACH C.I.Acid Red 151:C.I.26900 6406-56-0 C22H15N4O4SNa C22H15N4NaO4S C22H16N4O4S Dyes and Pigments Organics