ChemicalBook >> CAS DataBase List >>PATENT BLUE V

PATENT BLUE V

CAS No.
3536-49-0
Chemical Name:
PATENT BLUE V
Synonyms
PATENT BLUE;CI 42051;PATENT BLUE V CALCIUM SALT;c.i.712;bluezn3;l-blau3;NSC 5010;C.l.42051;ACID BLUE 3;ACID BLUE V
CBNumber:
CB5176335
Molecular Formula:
C27H34CaN2O7S2
Molecular Weight:
602.77
MDL Number:
MFCD00038746
MOL File:
3536-49-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-12 09:11:21

PATENT BLUE V Properties

Melting point 200 °C
storage temp. Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility DMSO : 83.33 mg/mL (143.49 mM)
Colour Index 42051
form Solid
color Brown to black
Water Solubility 20.98g/L at 20℃
BRN 4108121
Major Application cleaning products
cosmetics
food and beverages
personal care
Cosmetics Ingredients Functions HAIR DYEING
COLORANT
InChIKey RTMBGDBBDQKNNZ-UHFFFAOYSA-L
LogP -1.99 at 25℃
EWG's Food Scores 1-3
FDA UNII 8QE473DV1Z
EPA Substance Registry System Ethanaminium, N-[4-[[4-(diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, inner salt, calcium salt (2:1) (3536-49-0)
UNSPSC Code 85151701
NACRES NA.24

SAFETY

Risk and Safety Statements

Hazard Codes  Xn
Risk Statements  40
Safety Statements  22-24/25
WGK Germany  3
RTECS  KH2752000
TSCA  TSCA listed
Storage Class 11 - Combustible Solids
REACH Registrations Active

PATENT BLUE V price More Price(22)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 74748 Patent Blue V calcium salt analytical standard 3536-49-0 25mg $157 2026-04-30 Buy
Usbiological 288054 Patent Blue V 3536-49-0 50g $346 2026-06-03 Buy
Usbiological 288054 Patent Blue V 3536-49-0 100g $476 2026-06-03 Buy
Usbiological 288054 Patent Blue V 3536-49-0 250g $686 2026-06-03 Buy
Usbiological 288054 Patent Blue V 3536-49-0 500g $934 2026-06-03 Buy
Product number Packaging Price Buy
74748 25mg $157 Buy
288054 50g $346 Buy
288054 100g $476 Buy
288054 250g $686 Buy
288054 500g $934 Buy

PATENT BLUE V Chemical Properties,Uses,Production

Chemical Properties

Dark blue-purple powder or granules. Soluble in water. Insoluble in ethanol.

Uses

double labeled product for electron microscopy and fluorescence research

Uses

Patent Blue V (CAS# 3536-49-0) is a water-soluble food colouring. Patent Blue V has also been used as a standard for high-performance liquid chromatography-diode array detection for dating of paper ink. Dyes and metabolites, Environmental Testing

Preparation

(a) 3-Nitrobenzaldehydeand N,N-diethylbenzenamine (2 Moore) condensation, then reduction, then the amino diazotization and then translate into hydroxyl compound, and then two stlfonation, finally will product into calcium salt, and segregation and oxidation; (b)3-Hydroxybenzaldehyde and N,N-diethylbenzenamine (2 Moore) condensation, and then two stlfonation, into calcium salt and oxidation. The dyes can also be as sodium salting out.

Definition

ChEBI: C.I. Acid Blue 3 is a diarylmethane.

Flammability and Explosibility

Not classified

Properties and Applications

colourful green light blue. Soluble in cold water and hot water for the blue, soluble in ethanol for green light blue. The strong sulfuric acid for olive tan. In water solution to join sodium hydroxide low temperature discoloration, heat into deep purple.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 1-2 2-3 2-3 3 2
AATCC 1 2 3 2 1

PATENT BLUE V Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 171)Suppliers
Supplier Tel Email Country ProdList Advantage
Sichuan Kulinan Technology Co., Ltd 400-1166-196 18981987031 cdhxsj@163.com China 11674 57
Sinopharm Chemical Reagent Co,Ltd. 86-21-63210123 sj_scrc@sinopharm.com China 9791 79
Spectrum Chemical Manufacturing Corp. 021-021-021-67601398-809-809-809 15221380277 marketing_china@spectrumchemical.com China 9643 60
ShangHai YuanYe Biotechnology Co., Ltd. 15026964105 shyysw007@163.com China 4998 60
UHN Shanghai Research & Development Co., Ltd. 021-58958002 18930822973 sales@uhnshanghai.com China 997 58
Shanghai Aladdin Bio-Chem Technology Co.,LTD 400-6206333 13167063860 anhua.mao@aladdin-e.com China 29985 65
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Chengdu HuaXia Chemical Reagent Co. Ltd 400-1166-196 13458535857 cdhxsj@163.com China 13323 58
Shanghai Macklin Biochemical Co.,Ltd. 15221275939 15221275939 shenlinxing@macklin.cn China 15775 55
Chengdu RunZeBenTu Chemical Co., Ltd 13096311329 028-88469284 616445927 616445927@qq.com China 2870 50

View Lastest Price from PATENT BLUE V manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Patent Blue V  pictures 2025-05-23 Patent Blue V
3536-49-0
$38.00-79.00 1kg 99% 20ton Hebei Zhuanglai Chemical Trading Co Ltd
Patent blue V pictures 2024-07-20 Patent blue V
3536-49-0
$1.00 1Kg 98% 20T Shaanxi Dideu Medichem Co. Ltd
PATENT BLUE V pictures 2019-07-06 PATENT BLUE V
3536-49-0
$2.00 1KG Dye content 70% Career Henan Chemical Co
  • Patent Blue V  pictures
  • Patent Blue V
    3536-49-0
  • $38.00-79.00
  • 99%
  • Hebei Zhuanglai Chemical Trading Co Ltd
  • PATENT BLUE V pictures
  • PATENT BLUE V
    3536-49-0
  • $2.00
  • Dye content 70%
  • Career Henan Chemical Co
M-HYDROXYTETRAETHYLDIAMINOTRIPHENYLCARBINOL ANHYDRIDE DISULFONIC ACID CALCIUM SALT PATENT BLUE PATENT BLUE V PATENT BLUE VIOLET CALCIUM SALT XYLENE BLUE V acidalcarminev bleupatentev bluezn3 c.i.712 c.i.acidblue3,calciumsalt(2:1) Patent Blue V Sodium Salt 36001 Sicovit Patent Blue 85E131 Vitasyn Patent Blue V 50 Vitasyn Patent Blue V 85 Disulfine blue Ⅴ c.i.foodblue5 dai-eiacidpurebluevx ene)-2,5-cyclohexadien-1-ylidene)-n-ethyl-,hydroxide,innersalt,calciumsal ene]-2,5-cyclohexadien-1-ylidene]-n-ethyl-,hydroxide,innersalt,calciumsalt ethanaminium,n-(4-((4-(diethylamino)phenyl)(5-hydroxy-2,4-disulfophenyl)methyl Ethanaminium,N-[4-[[4-(diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-,innersalt,calciumsalt(2:1) l-blau3 merantinebluev m-hydroxytetraethyldiaminotriphenylcarbinolanhydridedisulfonicacidcalcium mitsuiacidpurebluevx newpatentbluea-ceextra newpatentblueextrapurea patentbluevcarminebluev schultzno.826 solarpurebluevx ACID BLUE 3 ACID BLUE 3 CALCIUM SALT ACID BLUE V CI NO 42051 DISULFINE BLUE Ethanaminium, N-4-4-(diethylamino)phenyl(5-hydroxy-2,4-disulfophenyl)methylene-2,5-cyclohexadien-1-ylidene-N-ethyl-, inner salt, calcium salt (2:1) Acid blue 3 (C.I. 42051) C.I. Acid Blue 3 Acid Blue 3 calcium salt, Acid Blue V calcium salt, Food Blue 5, Patent Blue V hemicalcium salt bis[hydrogen [4-[4-(diethylamino)-5'-hydroxy-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium], calcium salt PATENT BLUE VIOLET CALCIUM Acid Blue V calcium salt C.l.42051 Food Blue 5 Patent Blue V hemicalcium salt E-131 Patent Blue V calcium,4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]-6-hydroxybenzene-1,3-disulfonate Patent Blue V (~85%) Patent blue V, AR Bis[hydrogen[4-[4-(diethylamino)-5'-hydroxy-2',4'-disulfonatobenzhydryliden]cyclohexa-2,5-dien-1-yli PATENT BLUE V USP/EP/BP C.I.Acid Blue 3:C.I.42051 C.I.Food Blue 5:C.I.42051 NSC 5010 Acid Blue 3 calcium salt(CI 42051) Pararosaniline/pararosaniline hydrochloride/para-rose aniline hydrochloride PATENT BLUE V (91%) C10028130 Acid BluE3 calcium