| Identification | More | [Name]
Vat Red 41 | [CAS]
522-75-8 | [Synonyms]
2-(3-oxobenzo[b]thien-2(3h)-ylidene)-benzo[b]thiophene-3(2h)-one
C.I. 73300
c.i. disperse red 364
C.I. Solvent Red 242
FLUORESCENT DYE, RED
FLUORESCENT RED DYE
THIOINDIGO
VAT RED 41
(delta(sup2,2’(3h,3’h))-bibenzo(b)thiophene)-3,3’-dione
2-(3-oxobenzo[b]thien-2(3h)-ylidene)-benzo[b]thiophen-3(2h)-on
2-(3-oxobenzo[b]thien-2(3H)-ylidene)-Benzo[b]thiophen-3(2H)-one
4,4’-diisothioindigo
antinoloredb
c.i.vatred41
cibapinkb
durindoneprintingredb
durindoneredb
durindoneredbp
helianered5b
helindonredbb | [EINECS(EC#)]
208-336-1 | [Molecular Formula]
C16H8O2S2 | [MDL Number]
MFCD00191692 | [Molecular Weight]
296.36 | [MOL File]
522-75-8.mol |
| Chemical Properties | Back Directory | [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) | [storage temp. ]
Storage temp. 2-8°C | [Colour Index ]
73300 | [form ]
powder to crystal | [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]
522-75-8(EPA Substance) |
| Safety Data | Back Directory | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [RTECS ]
DT4330000 | [TSCA ]
TSCA listed | [HS Code ]
2934.99.4400 | [REACH Registrations]
Active |
| Hazard Information | Back Directory | [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 | [Properties and Applications]
|
Standard
|
Ironing Fastness
|
Light Fastness
|
Persperation Fastness
|
Washing Fastness
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
AATCC
|
5
|
5
|
7
|
5
|
5
|
5
|
5
|
| [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.] |
|
| Company Name: |
J & K SCIENTIFIC LTD.
|
| Telephone: |
18210857532 18210857532 |
| Website: |
https://www.jkchemical.com |
| Company Name: |
Energy Chemical
|
| Telephone: |
400-0056266 |
| Website: |
www.energy-chemical.com |
|