Vat Red 41

Vat Red 41 Basic information

Product Name:	Vat Red 41
Synonyms:	2-(3-oxobenzo[b]thien-2(3h)-ylidene)-benzo[b]thiophene-3(2h)-one;FLUORESCENT DYE, RED;FLUORESCENT RED DYE;C.I. 73300;c.i. disperse red 364;C.I. Solvent Red 242;THIOINDIGO;VAT RED 41
CAS:	522-75-8
MF:	C16H8O2S2
MW:	296.36
EINECS:	208-336-1
Product Categories:	Azobenzene, etc. (Photochromic Compounds);Functional Materials;Photochromic Compounds;Solvent Dyestuff
Mol File:	522-75-8.mol

Vat Red 41 Chemical Properties

Melting point	280°C(lit.)
Boiling point	407.96°C (rough estimate)
density	1.3686 (rough estimate)
vapor pressure	0Pa at 25℃
refractive index	1.5341 (estimate)
form	powder to crystal
Colour Index	73300
color	Orange to Brown to Dark purple
Water Solubility	1mg/L
LogP	3.53
CAS DataBase Reference	522-75-8(CAS DataBase Reference)
EPA Substance Registry System	Benzo[b]thiophen-3(2H)-one, 2-(3-oxobenzo[b]thien-2(3H)-ylidene)- (522-75-8)

Safety Information

Risk Statements	36/37/38
Safety Statements	26-36
RTECS	DT4330000
HS Code	2934.99.4400

MSDS Information

Vat Red 41 Usage And Synthesis

Uses

Thioindigo (cas# 522-75-8) is a useful research chemical. This compound is a dye that is used as an aqueous ink jet for producing recordings and in recyclable food trays.

Flammability and Explosibility

Notclassified

Purification Methods

Adsorb it on silica gel from CCl4/*benzene (3:1), elute with *benzene, evaporate, crystallise the residue from CHCl3 and dry it at 60-65o [Wyman & Brode J Am Chem Soc 73 1487 1951; this paper also gives details of purification of other thioindigo dyes]. [Beilstein 19 H 137, 19 I 690, 19 II 192, 19 III/IV 2091.]

Properties and Applications

Standard	Ironing Fastness		Light Fastness	Persperation Fastness		Washing Fastness
Standard	Fading	Stain	Light Fastness	Fading	Stain	Fading	Stain
AATCC	5	5	7	5	5	5	5

Vat Red 41 Preparation Products And Raw materials

Raw materials	Anthranilic acid-->Sodium chloroacetate-->2-(CARBOXYMETHYLTHIO)BENZOIC ACID-->1-BENZOTHIOPHEN-3(2H)-ONE-->Thiosalicylic acid-->Anthranilic acid
Preparation Products	6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one

SOLVENT RED 122:1 Vat Red 41 SOLVENT OIL Solvent Vat Voilet 3 Solvent Red 218 1-BENZOTHIOPHEN-3(2H)-ONE Chelating disperse agent Benzo[b]thien-2-ylboronic acid C.I.Vatred Thiophene Rubber dispersant c.i.vatred2 Dispersing agent for carbon black 1,2-BIS(PHENYLTHIO)ETHYLENE (CIS- AND TRANS- MIXTURE) ANTHRA RED B TRANS-1,2-DIBENZOYLETHYLENE SOLVENT

Email:[email protected] [email protected]

Vat Red 41

Login

Fast registration