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Acid red 151

Acid red 151 Structure
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;clothscarlet;Acid red 151
CBNumber:
CB4409825
Molecular Formula:
C22H16N4O4S.Na
Molecular Weight:
455.44
MDL Number:
MFCD00003903
MOL File:
6406-56-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:52:49
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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
REACH Registrations Inactive

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
Fading Stain 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 Suppliers ( 98)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11693 57
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 22497 55
Chengdu AstaTech Trading Co., Ltd./AstaTech (Chengdu) Pharma. Co., Ltd. +86-28-85122536 85324413 market@astatech.cn China 8016 55
Shanghai JONLN Reagent Co., Ltd. 400-0066400 13621662912 422131432@qq.com China 9970 55
Finetech Industry Limited 027-87465837 19945049750 sales@finetechnology-ind.com China 9331 58
Hangzhou Sunshine Chemicals Co., Ltd 0086-571-88523165 wangjf@aciddyes.com China 98 62
Alfa Chemistry 1-516-6625404 support@alfa-chemistry.com United States 9170 60
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Energy Chemical 61
Maya High Purity Chemicals 57
9ding chemical ( Shanghai) Limited 55
Chengdu AstaTech Trading Co., Ltd./AstaTech (Chengdu) Pharma. Co., Ltd. 55
Shanghai JONLN Reagent Co., Ltd. 55
Finetech Industry Limited 58
Hangzhou Sunshine Chemicals Co., Ltd 62
Alfa Chemistry 60

View Latest Price from Acid red 151 manufacturers

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

Acid red 151 Spectrum

ACID RED 151(6406-56-0)1HNMRACID RED 151(6406-56-0)13CNMRACID RED 151(6406-56-0)IR1ACID RED 151(6406-56-0)IR2

6406-56-0 (Acid red 151) Related Search:

CIAcIDReD151 Acid Red 57 C.I. Acid Red 158 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 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 150 Supranol brilliant red 3b CROCEIN SCARLET 7B
Ponceau S ERIOCHROME VERDONE A Acid red 151 Acid red 66 Acid Violet 48
Acid Orange 156 Acid Red 315 Acid Red 142

1of4

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 Acid red 151 6406-56-0 C22H15N4O4SNa C22H15N4NaO4S C22H16N4O4S Dyes and Pigments Organics