CasNo.81-77-6,Vat Blue 4 competitive product,(81-77-6) Suppliers

1 Kilogram	FOB Price: USD 0.1000

Min.Order :1 Kilogram
Purity: 99%
Payment Terms : T/T,Other

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Quick Details

Appearance:according to email quotation
Application:pharmaceutical raw materials
PackAge:foil aluminium bag/vacuum packing
ProductionCapacity:100|Kilogram|Week
Storage:Keep in dry and cool condition
Transportation:by air or by sea

Superiority:

Coreychem competetive product

High quality and favourable price

Perfect logistics system

Advanced and completed testing facilities

High Cost-Effective and stable supplying

Coreychem focus on high complex new type intermediates and fine chemical custom synthesis,scale-up production and rare chemicals trade.Product category including Intermediates&API,Catalyst and Electronic Chemicals.Covering 811 square meters R&D center,with 45 person R&D team,our synthesis level is well-known to the industry,which are exported to France,Poland,Czech,Ukraine,Spain,Switzerland,etc...

Details:

Product Name:	Vat Blue 4
Synonyms:	heliogenblue6470;indanthrenblue;indanthrenbluegp;indanthrenbluegpt;indanthrenbluerpt;indanthrenbluers;indanthrenbluersn;indanthrenbluersp
CAS:	81-77-6
MF:	C28H14N2O4
MW:	442.42
EINECS:	201-375-5
Product Categories:
Mol File:	81-77-6.mol

Vat Blue 4 Chemical Properties

Melting point	470-500°C
Boiling point	553.06°C (rough estimate)
density	1.3228 (rough estimate)
refractive index	1.5800 (estimate)
Colour Index	69800
Water Solubility	<0.1 g/100 mL at 21 ºC
Merck	14,4934
Stability:	Incompatible with strong oxidizing agents.
EPA Substance Registry System	5,9,14,18-Anthrazinetetrone, 6,15-dihydro-(81-77-6)

Safety Information

Risk Statements	20/21/22
Safety Statements	22-36/37/39
RTECS	CB8761100
Hazardous Substances Data	81-77-6(Hazardous Substances Data)

MSDS Information

Provider	Language
Vat Blue 4	English

Vat Blue 4 Usage And Synthesis

Chemical Properties	blue needles with a metallic lustre
Uses	Mainly to dye cotton.
Definition	A blue vat dye or pigment. The molecule consists of two anthraquinone nuclei linked through two –NH groups.
General Description	Blue needles with a metallic luster or fine fluffy deep blue powder.
Air & Water Reactions	Insoluble in water.
Fire Hazard	Flash point data for Vat Blue 4 are not available. Vat Blue 4 is probably combustible.
Purification Methods	Crystallise indanthrene repeatedly from 1,2,4-trichlorobenzene to give a blue powder. It is soluble in alkali and conc H2SO4. [Weinstein & Merritt J Am Chem Soc 81 3759 1959, Beilstein 24 II 317, 24 III/IV 2193.]

Vat Blue 4 Preparation Products And Raw materials

Raw materials	Sodium nitrite-->Potassium hydroxide -->Sodium acetate-->Sodium dithionite-->Sodium acetate trihydrate-->cis-9-Octadecenoic acid-->Sodium nitrate-->2-AMINOANTHRAQUINONE-->Mixed alkalis
Preparation Products	Vat Dark Blue VB-->Vat Blue 14