BASIC ORANGE 21
Synonym(s):Basic Orange 21
- CAS NO.:3056-93-7
- Empirical Formula: C22H23ClN2
- Molecular Weight: 350.88
- MDL number: MFCD00011947
- EINECS: 221-290-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-10-23 17:25:30
What is BASIC ORANGE 21?
The Uses of BASIC ORANGE 21
Metachromatic dye
What are the applications of Application
Astrazon Orange G is a metachromatic dye compound
Preparation
2-(1,3,3-Trimethylindolin-2-yl)acetaldehyde and 2-Methyl-2H-indazole??in 90 ℃ in the condensation, and then dumped into the water, and translated into chloride.
Properties and Applications
bright yellow orange. Soluble in water and ethanol are yellow, slightly soluble in cold water, soluble in hot water. Dye acrylic fiber as a bright yellow orange, tungsten filament in light slant red light. In 120 ℃ dyeing color when unchanged. In the dying encounter copper, iron ion colored light changes greatly. This product used for acrylic, two vinegar fiber, modified polyester dyeing and printing.
| Standard | Light Fastness | Persperation Fastness | Ironing Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | ||
| AATCC | 5-6 | 5 | 5 | 3 | 5 | 5 | |
Properties of BASIC ORANGE 21
| storage temp. | room temp |
| Colour Index | 48035 |
| EPA Substance Registry System | 1H-Indole, 2,3-dihydro-1,3,3-trimethyl-2-[2-(2-methyl-3H-indol-3-ylidene)ethylidene]-, hydrochloride (1:1) (3056-93-7) |
Safety information for BASIC ORANGE 21
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for BASIC ORANGE 21
New Products
4,4-Difluoropiperidine hydrochloride tert-butyl 9-methoxy-3-azaspiro[5.5]undecane-3-carboxylate Indole Methyl Resin N-Isopropylurea N,N-Dicyclohexylcarbodiimide(DCC) MELDRUMS ACID 5-METHYLISOXAZOLE-4-CARBOXYLIC ACID Magnessium Bis glycinate Zinc ascorbate 1-bromo-2-butyne 2-acetamidophenol 9(10H)-anthracenone Erythrosin B, 4-Piperidinopiperidine 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile 2,4-dihydroxybenzaldehyde 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile Methyl 2-methylquinoline-6-carboxylate 2,6-dichloro-4-nitropyridine 4-Bromo-2-chlorobenzonitrile 2-(benzylamino)acetic acid hydrochloride 4-(tert-Butoxycarbonylamino)but- 2-ynoic acid 3,4-dihydro-2H-benzo[b][1,4]dioxepine 1-Phenyl-1-cycloprppanecarboxylicacidRelated products of tetrahydrofuran






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