Vat Blue 1, Reduced
- CAS NO.：894-86-0
- Empirical Formula: C16H13N2NaO2
- Molecular Weight: 288.28
- MDL number: MFCD28385571
- EINECS: 212-974-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:39:27
What is Vat Blue 1, Reduced?
Preparation
commonly known as Indigo White.?3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- in the presence of a base reduction (with or without various stabilizers may be).
Properties and Applications
purplish blue to red light navy blue. Soluble in Etanol for blue, fluorescence. In the Sodium hydroxide solution for yellow green, In the basic insurance powder solution for yellow; In the acidic insurance powder solution for colorless. Mainly used for cotton fabric dyeing, also can be used for viscose and adhesive/cotton blended fabric dyeing.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 2 | 3 | 4 | 2-3 | ||
| AATCC | 3 | 1-2 | 3 | 2-3 | |||
Properties of Vat Blue 1, Reduced
| Density | 1.35[at 20℃] |
| vapor pressure | 0Pa at 100℃ |
| Water Solubility | 50μg/L at 23℃ |
| EPA Substance Registry System | [2,2'-Bi-1H-indole]-3,3'-diol, disodium salt (894-86-0) |
Safety information for Vat Blue 1, Reduced
Computed Descriptors for Vat Blue 1, Reduced
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