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Sulphan Blue

Sulphan Blue structure

CAS No.: 20262-76-4

Chemical Name:: Sulphan Blue

Synonyms: E131;CI 42770;ACID BLUE;CI NO 42090;CI NO 42045;ACID BLUE 3;ALPHAZURINE;XYLENE BLUE;PATENT BLUE;ERIOGLAUCINE

CBNumber:: CB00125271

Molecular Formula:: C27H31N2O7S2.Na

Molecular Weight:: 582.67

MDL Number:: MFCD00012119

MOL File:: 20262-76-4.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:55:52

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Sulphan Blue Properties

Melting point	290 °C (dec.)(lit.)
Boiling point	300℃[at 101 325 Pa]
Density	1.313[at 20℃]
vapor pressure	0Pa at 25℃
storage temp.	-20°C Freezer
solubility	DMSO (Sparingly), Methanol (Slightly)
form	Crystalline Powder
Colour Index	42051
color	Dark green-blue
Water Solubility	9.46-66.68g/L at 20-25℃
BRN	4108121
Major Application	diagnostic assay manufacturing hematology histology
InChIKey	PMLFOMWMYRKZRF-UHFFFAOYSA-M
SMILES	[Na+].CCN(CC)c1ccc(cc1)\C(=C2/C=CC(\C=C2)=[N+](\CC)CC)c3cc(O)c(cc3S([O-])(=O)=O)S([O-])(=O)=O
LogP	-3.62--2.31 at 24-25℃
FDA UNII	9ZL680Q9Z5
UNSPSC Code	12171500
NACRES	NA.47

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H335-H319-H315

Precautionary statements

P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P

PPE

Eyeshields, Gloves, type N95 (US)

WGK Germany

RTECS

BQ4550000

HS Code

34021200

Storage Class

11 - Combustible Solids

REACH Registrations

Active

NFPA 704

	0
1		0

Sulphan Blue price More Price(32)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	21605	Patent blue V sodium salt for microscopy	20262-76-4	10g	$42.6	2026-04-30	Buy
Sigma-Aldrich	21605	Patent blue V sodium salt for microscopy	20262-76-4	25g	$71.8	2026-04-30	Buy
TCI Chemical	A1242	Acid Blue 3 Sodium Salt	20262-76-4	5g	$17	2026-04-30	Buy
Usbiological	241174	Patent Blue V Sodium Salt (Acid Blue 3 Sodium Salt), ≥85% Dye content ≥85%(Dyecontent)	20262-76-4	25g	$255	2026-06-03	Buy
Usbiological	241174	Patent Blue V Sodium Salt (Acid Blue 3 Sodium Salt), ≥85% Dye content ≥85%(Dyecontent)	20262-76-4	100g	$393	2026-06-03	Buy

Product number	Packaging	Price	Buy
21605	10g	$42.6	Buy
21605	25g	$71.8	Buy
A1242	5g	$17	Buy
241174	25g	$255	Buy
241174	100g	$393	Buy

Sulphan Blue Chemical Properties, Uses, Production

Chemical Properties

dark green-blue crystalline powder

Uses

Acid Blue 3 Sodium Salt is an synthetic food dye that is banned in Australia and the USA due to reoccurring allergic reactions.

Uses

lymphangiography and sentinel node biopsy as a dye to color lymph vessels

Uses

Patent blue V sodium salt is a pH dependent dye. It can also be used in technical or engineered material use for preparation of metal cation exchanged cellulose as new layer material for identification and separation of organic dyes.

Flammability and Explosibility

Not classified

Properties and Applications

bright blue. Soluble in water for blue, slightly soluble in ethanol for green light blue. The strong sulfuric acid for brown-olive yellow, yellow for deep diluted, and then to green. Dyes to join sodium hydroxide solution of the same color, heat into deep purple. And C.I. Acid blue 3the same chemical structure, different salt ions.

Sulphan Blue Preparation Products And Raw materials

Raw materials

Preparation Products

Sulphan Blue Suppliers

Global Suppliers ( 131)

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
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Sichuan Kulinan Technology Co., Ltd	400-1166-196 18981987031	cdhxsj@163.com	China	11674	57
Tianjin heowns Biochemical Technology Co., Ltd.	400 638 7771	sales@heowns.com	China	14412	57
Sinopharm Chemical Reagent Co,Ltd.	86-21-63210123	sj_scrc@sinopharm.com	China	9791	79
Chengdu Ai Keda Chemical Technology Co., Ltd.	4008-755-333 18080918076	800078821@qq.com	China	9706	55
Shanghai civi chemical technology co.,Ltd	86-21-34053660	sale@labgogo.com	China	9853	52
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Sichuan Kulinan Technology Co., Ltd	57
Tianjin heowns Biochemical Technology Co., Ltd.	57
Sinopharm Chemical Reagent Co,Ltd.	79
Chengdu Ai Keda Chemical Technology Co., Ltd.	55
Shanghai civi chemical technology co.,Ltd	52
Thermo Fisher Scientific	75

View Latest Price from Sulphan Blue manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2023-06-01	Prussian blue 14038-43-8	$100.00	25kg	99%	500t/month	Henan Bao Enluo International TradeCo.，LTD
2020-11-20	Phthalocyanine blue 147-14-8	$10.00	100KG	99%	20	Hebei Henghe Import and Export Trading Co. LTD
2019-07-06	Bromophenol Blue 115-39-9	$1.00	1G	99%	100KG	Career Henan Chemical Co

Prussian blue
14038-43-8
$100.00
99%
Henan Bao Enluo International TradeCo.，LTD

Phthalocyanine blue
147-14-8
$10.00
99%
Hebei Henghe Import and Export Trading Co. LTD

Bromophenol Blue
115-39-9
$1.00
99%
Career Henan Chemical Co

20262-76-4 (Sulphan Blue) Related Search:

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4-Styrenesulfonic acid, sodium salt hydr ate V Patent Blue V PATENT BLUE VF HI Sulphan Blue

1of4

KITON PURE BLUE L KITON PURE BLUE V LISSAMINE TURQUOISE VN AZURE BLUE VX BRILLIANT ACID BLUE HIDACID AZURE BLUE HIDACID BLUE V ERIOGLAUCINE SUPRA ERIOGLAUCINE DIAMMONIUM SALT ERIOGLAUCINE CALCOCID BLUE 2G CARMINE BLUE V CI NO 42090 CI NO 42045 CI 42770 DISULFIN BLUE VN 150 SODIUM SALT DISULFINE BLUE VN 150 DISULPHINE BLUE V E131 ACID BLUE 1 SODIUM SALT ACID BLUE 3 ACID BLUE 3 SODIUM SALT ACID 14030 BLUE 9 ACID BLUE ALPHAZURINE FGND ALPHAZURINE 2G ALPHAZURIN 2G ALPHAZURINE XYLENE BLUE VS XYLENE BLUE XYLENE BLUE VSG PATENT BLUE PATENT BLUE V PATENT BLUE V (VF) SODIUM SALT PATENT BLUE VIOLET PATENT BLUE VF SODIUM SALT PATENT BLUE V SODIUM SALT SULPHAN BLUE Hydrogen [4-[4-(diethylamino)-5'-hydroxy-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, monosodium salt C.I.Acid Blue 3 sodium salt C.I.Food Blue 5:2 N-[4-[[4-(Diethylamino)phenyl](5-hydroxy-4-sulfo-2-sodiosulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethylethanaminium Food Blue 5 sodium salt Patent blue V sodium C.I. 42051:2 C.I. Acid Blue 3 monosodium salt Food Blue 5:2 N-[4-[[4-(Diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethylethanaminium inner salt monosodium salt EthanaMiniuM,N-[4-[[4-(diethylaMino)phenyl](5-hydroxy-2,4-disulfophenyl)Methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-,inner salt, sodiuM salt (1:1) m-Hydroxytetraethyldiaminotriphenylcarbinol anhydride disulfonic acid sodium salt sodium,4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]-6-hydroxybenzene-1,3-disulfonate Acid Blue 3 Sodium Salt (~90%) Patent Blue V, Na salt C.I.Food Blue 5:2:C.I.42051:2 Hydrogen 4-4-(diethylamino)-5'-hydroxy-2',4'-disulphonatobenzhydrylidenecyclohexa-2,5-dien-1-ylidenediethylammonium (sodium salt) Patent Blue in Acetonitrile(5%Methanol) C15895900 Patent BluEV Patent Blue V 100 μg/mL in Acetonitrile:Methanol