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ChemicalBook >> CAS DataBase List >> BASIC ORANGE 21

BASIC ORANGE 21

BASIC ORANGE 21 price.
  • $27 - $902
  • Product name: BASIC ORANGE 21
  • CAS: 3056-93-7
  • MF: C22H23ClN2
  • MW: 350.88
  • EINECS:221-290-7
  • MDL Number:MFCD00011947
  • Synonyms:1h-indole,2,3-dihydro-1,3,3-trimethyl-2-[(2-methyl-3h-indol-3-ylidene)ethylide ;2-(2-(2-methylindol-3-yl)vinyl)-1,3,3-trimethyl-3h-indoliuchloride ;aizencathilonorangegl ;aizencathilonorangeglh ;c.i.basicorange21 ;cationicorangezh ;genacrylorangeg ;nabororangeg
Price19 Properties Safety Information Description
19 prices
Selected condition：
Brand
  • aablocks
  • AK Scientific
  • American Custom Chemicals Corporation
  • Biosynth
  • Chem-Impex
  • Sigma-Aldrich
  • TRC
  • Usbiological
Package
  • 250MG
  • 1g
  • 5g
  • 10g
  • 25g
  • 50g
  • 100g
  • 250g
  • 1 unit
  • Manufactureraablocks
  • Product numberAA003NUU
  • Product description2-Methyl-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-3H-indole hydrochloride Carbon30%-60%;RG
  • Packaging1g
  • Price$27
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003NUU
  • Product description2-Methyl-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-3H-indole hydrochloride
  • Packaging5g
  • Price$44
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003NUU
  • Product description2-Methyl-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-3H-indole hydrochloride
  • Packaging25g
  • Price$160
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003NUU
  • Product description2-Methyl-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-3H-indole hydrochloride
  • Packaging100g
  • Price$386
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product numberT298
  • Product descriptionBasicOrange21
  • Packaging250g
  • Price$190
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberDYE0000158
  • Product descriptionBASIC ORANGE 21 95.00%
  • Packaging100G
  • Price$234.15
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB41344
  • Product descriptionC.I.Basic Orange 21
  • Packaging100g
  • Price$250
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB41344
  • Product descriptionC.I.Basic Orange 21
  • Packaging250g
  • Price$500
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB41344
  • Product descriptionC.I.Basic Orange 21
  • Packaging50g
  • Price$160
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB41344
  • Product descriptionC.I.Basic Orange 21
  • Packaging10g
  • Price$60
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB41344
  • Product descriptionC.I.Basic Orange 21
  • Packaging25g
  • Price$100
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number41906
  • Product descriptionAstrazon Orange G
  • Packaging100G
  • Price$189.58
  • Updated2026-05-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number274216
  • Product descriptionAstrazon Orange G
  • Packaging100g
  • Price$141.4
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberR324116
  • Product descriptionBASIC ORANGE 21 (GENACRYL ORANGE G) AldrichCPR
  • Packaging250MG
  • Price$179
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberR324116
  • Product descriptionBASIC ORANGE 21 (GENACRYL ORANGE G) AldrichCPR
  • Packaging1 unit
  • Price$197
  • Updated2026-04-30
  • Buy
  • ManufacturerTRC
  • Product numberA790210
  • Product descriptionAstrazon Orange G
  • Packaging25g
  • Price$130
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003NUU 2-Methyl-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-3H-indole hydrochloride Carbon30%-60%;RG 1g $27 2026-05-28 Buy
aablocks AA003NUU 2-Methyl-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-3H-indole hydrochloride 5g $44 2026-05-28 Buy
aablocks AA003NUU 2-Methyl-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-3H-indole hydrochloride 25g $160 2026-05-28 Buy
aablocks AA003NUU 2-Methyl-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-3H-indole hydrochloride 100g $386 2026-05-28 Buy
AK Scientific T298 BasicOrange21 250g $190 2021-12-16 Buy
American Custom Chemicals Corporation DYE0000158 BASIC ORANGE 21 95.00% 100G $234.15 2021-12-16 Buy
Biosynth FB41344 C.I.Basic Orange 21 100g $250 2021-12-16 Buy
Biosynth FB41344 C.I.Basic Orange 21 250g $500 2021-12-16 Buy
Biosynth FB41344 C.I.Basic Orange 21 50g $160 2021-12-16 Buy
Biosynth FB41344 C.I.Basic Orange 21 10g $60 2021-12-16 Buy
Biosynth FB41344 C.I.Basic Orange 21 25g $100 2021-12-16 Buy
Chem-Impex 41906 Astrazon Orange G 100G $189.58 2026-05-19 Buy
Sigma-Aldrich 274216 Astrazon Orange G 100g $141.4 2026-04-30 Buy
Sigma-Aldrich R324116 BASIC ORANGE 21 (GENACRYL ORANGE G) AldrichCPR 250MG $179 2024-03-01 Buy
Sigma-Aldrich R324116 BASIC ORANGE 21 (GENACRYL ORANGE G) AldrichCPR 1 unit $197 2026-04-30 Buy
TRC A790210 Astrazon Orange G 25g $130 2021-12-16 Buy
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Properties

storage temp. :room temp
solubility :methanol: water (1:1): 10mg/mL, clear to hazy, red-orange
Colour Index :48035
form :powder
λmax :490 nm
ε(extinction coefficient) :≥19000 at 487-493nm
≥3000 at 268-274nm Major Application :diagnostic assay manufacturing
hematology
histology InChI :1S/C22H22N2.ClH/c1-15-16(17-9-5-7-11-19(17)23-15)13-14-21-22(2,3)18-10-6-8-12-20(18)24(21)4;/h5-14H,1-4H3;1H
InChIKey :ZOMLUNRKXJYKPD-UHFFFAOYSA-N
SMILES :[Cl-].Cc1[nH]c2ccccc2c1\C=C\C3=[N+](C)c4ccccc4C3(C)C
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

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
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.

Description

Astrazon Orange G is a metachromatic dye. Color index number: 48035

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Suppliers and manufacturers

Energy Chemical Tianjin heowns Biochemical Technology Co., Ltd. Shanghai JONLN Reagent Co., Ltd. Sigma-Aldrich Alta Scientific Co., Ltd. Alfa Chemistry Shanghai YuanYe Biotechnology Co., Ltd. Shandong Xiya Chemical Co., Ltd. Shandong Ono Chemical Co., Ltd. Shenzhen Regent Biochemical Technology Co., Ltd.