195243
Sigma-Aldrich

NEGRO AZUL NAFTOL (NEGRO ACIDO 1)

Empform:

C22H14N6Na2O9S2

Synonyms English:

Acid Black 1

Nacres: NA.47
Mdl No: MFCD00004017
Fw: 616.49
Pubchem Substance Id: 24851681
CAS Number: 1064-48-8
Grouped product items
SKU Pack Size Availability Price Quantity
195243-100G 100g Estimate to ship on February 09, 2023 -
₫3,736,574
195243-25G 25g Estimate to ship on February 09, 2023 -
₫1,031,181
Request a Bulk Order Check Availability

Properties

Properties
Lambda max 618 nm
applications diagnostic assay manufacturing
hematology
histology
composition Dye content 80%
description NEGRO AZUL NAFTOL (NEGRO ACIDO 1)
form powder
inchi 1S/C22H16N6O9S2.2Na/c23-19-18-12(11-17(39(3536)37)21(22(18)29)27-24-13-4-2-1-3-5-13)10-16(38(3233)34)20(19)26-25-14-6-8-15(9-7-14)28(30)31
indiff. to chromic acid /h1-1129H23H2(H323334)(H353637)
inlet and outlet diam. /q
inlet and outlet nptm × nptm 2*+1/p-2/b26-25+27-24+
inlet connection diam. AOMZHDJXSYHPKS-DROYEMJCSA-L
Need License To Purchase Temp. Regu
Check Obsolete 12/31/9999 12:00:00 AM
Temperature Control 1554
Shipping Mode DAS

Description

Application

Naphthol blue black (NBB) has been used to stain soluble proteins.

General description

Naphthol blue black (NBB) is an textile diazo dye, with high photo- and thermal-stability. Photoelectrochemical degradation of this dye yields colorless quinone as end product. Pure grade of NBB is generally used for dyeing foodstuffs, drugs and cosmetics. It is also used as a protein stain in chromatography and electrophoresis and as a biological stain. Commercial grade of NBB is a widely used textile dye. It is used in dyeing wool, nylon, silk and in textile printing. In addition, it is also employed for coloring of soaps, anodized aluminum and casein, wood stains and writing ink preparation.

SAFETY INFORMATION

Signal Word

RIDADRRIDADR

WGK Germany

WGK 3

Flash Point (F)

Not applicable

Flash Point (C)

Not applicable

Target Organs

Risk Statement

Supplemental Hazard Statements

DOCUMENTATION

Certificate of Analysis View Sample COA
Certificate of Origin

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