China (Mainland)
Vat Blue 4 competitive product CAS NO.81-77-6
- FOB Price: USD: 0.10-0.10 /Kilogram Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: T/T,Other
- Available Specifications:
High quality(1-25)Kilogram
- Product Details
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- reliable quality and fast delivery
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Quick Details
- ProName: Vat Blue 4 competitive product
- CasNo: 81-77-6
- Molecular Formula: C28H14N2O4
- Appearance: according to email quotation
- Application: pharmaceutical raw materials
- DeliveryTime: Within 3 days after payment
- PackAge: foil aluminium bag/vacuum packing
- Port: Shanghai
- ProductionCapacity: 100 Kilogram/Week
- Purity: 99%
- Storage: Keep in dry and cool condition
- Transportation: by air or by sea
- LimitNum: 1 Kilogram
- CAS No.: 81-77-6
- Synonyms: heliogenblue6470
- Formula: C28H14N2O4
- Molecular Weight: 442.42
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 |
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| 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 |