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ChemicalBook >> CAS DataBase List >> 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID

4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID

$50 - $2250
Product name: 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID
CAS: 5463-64-9
MF: C34H26N6O6S2
MW: 678.74
EINECS:226-754-2
MDL Number:MFCD00041943
Synonyms:4,4'-Bis(4-amino-1-naphtylazo)stilbene-2,2'-disulfonic acid;2,2'-(1,2-Ethenediyl)bis[5-[2-(4-aMino-1-naphthalenyl)diazenyl]benzenesulfonic Acid;NSC 5067;[Indicator for Organic Acid Anhydrides by Morpholine Method];4,4'-Bis(4-aMino-1-naphthylazo)-2,2'-stilbenesulfonic Acid 2,2’-(1,2-ethenediyl)bis[5-[(4-amino-1-naphthalenyl)azo]-benzenesulfonicaci ;4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID;4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENESULFONIC ACID

Price22 Properties Safety Information Description

22 prices

Selected condition：

Brand

aablocks
American Custom Chemicals Corporation
Biosynth
Medical Isotopes, Inc.
TRC

Package

5mg
10mg
25mg
50mg
100MG
250mg
500mg
1000mg
1G
2000mg
2g
5000mg
5G
10000mg
25000mg

Manufactureraablocks
Product numberAA003KBI
Product description2,2′-(1,2-Ethenediyl)bis[5-[2-(4-amino-1-naphthalenyl)diazenyl]benzenesulfonic acid] >98%
Packaging5mg
Price$130
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003KBI
Product description2,2′-(1,2-Ethenediyl)bis[5-[2-(4-amino-1-naphthalenyl)diazenyl]benzenesulfonic acid] >98%
Packaging10mg
Price$180
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003KBI
Product description2,2′-(1,2-Ethenediyl)bis[5-[2-(4-amino-1-naphthalenyl)diazenyl]benzenesulfonic acid] >98%
Packaging25mg
Price$324
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003KBI
Product description2,2′-(1,2-Ethenediyl)bis[5-[2-(4-amino-1-naphthalenyl)diazenyl]benzenesulfonic acid] >98%
Packaging50mg
Price$500
Updated2026-05-28
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0138668
Product description4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENESULFONIC ACID 95.00%
Packaging1G
Price$1963.5
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0138668
Product description4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENESULFONIC ACID 95.00%
Packaging100MG
Price$750.75
Updated2021-12-16
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%
Packaging1g
Price$120
Updated2021-12-16
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%
Packaging500mg
Price$80
Updated2021-12-16
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%
Packaging250mg
Price$50
Updated2021-12-16
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%
Packaging5000mg
Price$850
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%
Packaging10000mg
Price$1300
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%
Packaging25000mg
Price$2250
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%
Packaging5G
Price$400
Updated2021-12-16
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%
Packaging2000mg
Price$440
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%
Packaging1000mg
Price$260
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFB18690
Product description4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%
Packaging2g
Price$200
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA003KBI	2,2′-(1,2-Ethenediyl)bis[5-[2-(4-amino-1-naphthalenyl)diazenyl]benzenesulfonic acid] >98%	5mg	$130	2026-05-28	Buy
aablocks	AA003KBI	2,2′-(1,2-Ethenediyl)bis[5-[2-(4-amino-1-naphthalenyl)diazenyl]benzenesulfonic acid] >98%	10mg	$180	2026-05-28	Buy
aablocks	AA003KBI	2,2′-(1,2-Ethenediyl)bis[5-[2-(4-amino-1-naphthalenyl)diazenyl]benzenesulfonic acid] >98%	25mg	$324	2026-05-28	Buy
aablocks	AA003KBI	2,2′-(1,2-Ethenediyl)bis[5-[2-(4-amino-1-naphthalenyl)diazenyl]benzenesulfonic acid] >98%	50mg	$500	2026-05-28	Buy
American Custom Chemicals Corporation	CHM0138668	4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENESULFONIC ACID 95.00%	1G	$1963.5	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0138668	4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENESULFONIC ACID 95.00%	100MG	$750.75	2021-12-16	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%	1g	$120	2021-12-16	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%	500mg	$80	2021-12-16	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%	250mg	$50	2021-12-16	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%	5000mg	$850	2026-06-04	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%	10000mg	$1300	2026-06-04	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%	25000mg	$2250	2026-06-04	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%	5G	$400	2021-12-16	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%	2000mg	$440	2026-06-04	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid, 70%	1000mg	$260	2026-06-04	Buy
Biosynth	FB18690	4,4'-Bis(4-amino-1-naphthylazo)-2,2'-stilbenedisulfonic acid - 70%	2g	$200	2021-12-16	Buy

Next Last

Properties

Melting point :>300°C
Density :1.2173 (rough estimate)
refractive index :1.7000 (estimate)
storage temp. :Hygroscopic, Refrigerator, Under Inert Atmosphere
solubility :Basic Methanol (Slightly), DMSO (Slightly, Heated)
form :Solid
pka :-1.33±0.50(Predicted)
Colour Index :24860
color :Black
Stability :Hygroscopic
EPA Substance Registry System :Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[(4-amino-1-naphthalenyl)azo]- (5463-64-9)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning		P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning		P264, P280, P305+P351+P338,P337+P313P

Precautionary statements:

P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P280	Wear protective gloves/protective clothing/eye protection/face protection.

Description

A new indicator for the determination of organic acid anhydrides by the morpholine method.

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Suppliers and manufacturers

Dideu Industries Group Limited

$1.10
4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID CAS:5463-64-9

HANGZHOU LEAP CHEM CO., LTD. J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. TCI (Shanghai) Development Co., Ltd. Energy Chemical Chemsky（shanghai）International Co.,Ltd. Maya High Purity Chemicals S.Z. PhyStandard Bio-Tech. Co., Ltd. Thermo Fisher Scientific

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4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID

Properties

Safety Information

Description

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