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1-(1-naphthylazo)-2-naphthol

CAS No.
2653-64-7
Chemical Name:
1-(1-naphthylazo)-2-naphthol
Synonyms
Red 2R;C.I.12170;NSC 45575;NSC 47713;PigmentRed40;Bordeaux P51N;C.I. Solvent Red 4;C. I. Pigment Red 40;Solvent red 4 (C.I. 12170);Pigment Red 40(C.I. 12170)
CBNumber:
CB1937354
Molecular Formula:
C20H14N2O
Molecular Weight:
298.34
MDL Number:
MFCD00398528
MOL File:
2653-64-7.mol
Last updated:2023-06-08 17:06:37

1-(1-naphthylazo)-2-naphthol Properties

Melting point 230 °C
Boiling point 530.2±33.0 °C(Predicted)
Density 1.20±0.1 g/cm3(Predicted)
pka 12.03±0.50(Predicted)
form powder to crystal
color Orange to Brown to Dark purple
CAS DataBase Reference 2653-64-7
FDA UNII EVE9WNU99R
EPA Substance Registry System 2-Naphthalenol, 1-(1-naphthalenylazo)- (2653-64-7)

SAFETY

Risk and Safety Statements

HS Code  2927.00.5000
NFPA 704
0
1 0

1-(1-naphthylazo)-2-naphthol price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical N0307 Naphthylamine Bordeaux (diluted with Barium Sulfate) >90.0%(T) 2653-64-7 25g $31 2024-03-01 Buy
AK Scientific 4801CA 2-Naphthalenol,1-(1-naphthalenylazo)- 2653-64-7 25g $126 2021-12-16 Buy
Product number Packaging Price Buy
N0307 25g $31 Buy
4801CA 25g $126 Buy

1-(1-naphthylazo)-2-naphthol Chemical Properties,Uses,Production

Preparation

Naphthalen-1-amine diazotization and Naphthalen-2-ol coupling.

Properties and Applications

yellow red. From toluene in the crystallization product melting point 224 ℃. Soluble in hot ethanol and benzene in red. In concentrated sulfuric acid to red light blue, dilution to red light purple solution, and then have red brown precipitation. Dye ethanol solution to join concentrated hydrochloric acid is dark red; Join concentrated sodium hydroxide solution for bright red light brown. Mainly used in oil, fat and wax, soap coloring.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO General 220 150≥ 220

Sublimation

Insoluble No change No change

1-(1-naphthylazo)-2-naphthol Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 29)Suppliers
Supplier Tel Email Country ProdList Advantage
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
TargetMol Chemicals Inc.
+1-781-999-5354 support@targetmol.com United States 19973 58
Aladdin Scientific
+1-833-552-7181 sales@aladdinsci.com United States 52927 58
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788 jkinfo@jkchemical.com China 96815 76
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24539 81
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28398 80
TCI Europe 320-37350700 sales@tcieurope.eu Europe 23680 75
TCI AMERICA 800-4238616 sales@tciamerica.com Americas 23662 75
9ding chemical ( Shanghai) Limited 021-021-52271985 17721149837 sales@9dingchem.com China 19806 60
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 13028896684 sales@rrkchem.com China 55717 58

2653-64-7(1-(1-naphthylazo)-2-naphthol)Related Search:

1-(1-naphthylazo)-2-naphthol Red 2R 2-Naphthalenol, 1-(1-naphthalenylazo)- Solvent red 4 (C.I. 12170) C.I. Solvent Red 4 C. I. Pigment Red 40 1-(1-Naphtylazo)-2-naphthol 1-(1-Naphtylazo)naphthalene-2-ol C.I.12170 PigmentRed40 C.I.Solvent Red 4:C.I.12170 2-Naphthalenol, 1-[2-(1-naphthalenyl)diazenyl]- (1Z)-1-(naphthalen-1-ylhydrazinylidene)naphthalen-2-one Pigment Red 40(C.I. 12170) Bordeaux P51N NSC 45575 NSC 47713 1-(Naphthalen-1-yldiazenyl)naphthalen-2-ol 2653-64-7 Organics