Identification
- Cas NO.:482-89-3
- CID:10215
- Name:
- Indigo (Related Reference)
- EINECS:
- 207-586-9
- InChI:
- InChI=1S/C16H10N2O2/c19-15-9-5-1-3-7-11(9)17-13(15)14-16(20)10-6-2-4-8-12(10)18-14/h1-8,17,19H
Safety Data
- [Risk Codes]
- R36/37/38:Irritating to eyes, respiratory system and skin
- [Safety Statements]
- S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
- S36:Wear suitable protective clothing
Properties
- Molecular Weight:
- 262.268
- Density:
- 1.417
- Boiling Point:
- 400.4°Cat760mmHg
- Melting Point:
- 390-392℃ (dec.)
- Flash Point:
- 158.2°C
- Storage Temperature:
- Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
- Refractive index:
- 1.709
- Solubility:
- SOL IN ANILINE, NITROBENZENE, CHLOROFORM, GLACIAL ACETIC ACID, CONCN SULFURIC ACID
- Stability:
- Stable. Incompatible with strong oxidizing agents.
- More Properties>>
Question & Answer
-
Indigo synthesis from anthranilic acid [closed]
Synthesis of indigo: In place of anthranilic acid or aniline, you can simply use 2-nitrobenzaldehyde (see: Baeyer–Drewson indigo synthesis ). For the mechanism of the reaction see: WIKIPEDIA . Method : Place about 0.1   g ( 100   m g ) " style="position: relative;" tabindex="0" i...more+
Nov 15 2021
-
Origin of different colour for thio analogue of indigo from blue to red
Why the thio analogue of indigo is red? What is the reason behind change of colour from indigo to red just by change of N to S. What I get is that there will be electronegativity, lone pair availability, MO energy factors playing here but I am not getting exact answer. more+
Sep 23 2021
-
Synthesis of indigo from anthranilic acid - reaction not taking place
I was trying to synthesise indigo via the Heumann indigo synthesis (II.), which involves heating antrhanilic acid and chloroacetic acid, both dissolved in isopropanol. After heating up, a hydroxide or another strong base is added to form indigo I have slightly altered the synthesis process, added t...more+
Jun 25 2021
-
Do indigo and leuco-indigo have fully conjugated pi systems?
I've just come across a figure indicating the positions of conjugated bonds in indigo and leucoindigo, and I'm quite confused about why both molecules aren't fully conjugated. My reasoning is as follows: Both carbons above and below the bond are sp 2 hybridized and have π electrons. The carbon to ...more+
Jun 20 2021
Upstream Product
Downtream information
There are 187 suppliers who can provide Indigo with CAS No. 482-89-3
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Indigo blue AR 85%, 90%, 97% Vat Blue 1 EINECS 207-586-9 col...
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- Brand:Pharmchem
- Description:Indigo blue AR Chemical Name
- Updatetime:Jun 06 2023
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PIGMENT BLUE 66 powder 482-89-3 99%
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Factory Supply Natural Indigo
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- Purity:99.90%
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- Description:Amitychem Corporation manufacture and supply Natural Indigo with with high quality, low price and bulk supply. We have been focusing on the research and production of concrete chemicals for 14+ years. Our product quality has ISO, SGS, CQC,FAMI-QS, etc. Cetific...
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Indigo
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- Brand:Dayang
- Description:Name: Indigo Synonyms: 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one; 2,2'-Bis(2,3-dihydro-3-oxoindolylidene); Indigo blue; C.I. 73000; Vat Blue 1 CAS Registry number: 482-89-3 EINECS：207-586-9 Molecular Formula: C16H10N2O2 Boiling Point...
- Updatetime:Jun 02 2023
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Indigo
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- Description:Trimeric sodium phosphate detergent auxiliary agent is a kind of excellent properties, is one of the biggest component of detergent consumption during the production, it has four aspects: 1, chelation of heavy metal ions, heavy metal ions in the water in the w...
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Indigo
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- Purity:99.00%
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Indigo.organic pigment
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- Purity:98%
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- Brand:Weihang
- Description:Name: Indigo Other names: CI 73000; CI Vat Blue 1; 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one; 2,2 '-Bis(2,3-dihydro-3-oxoindolylidene); Indigo blue; Vat Blue 1; 2,2'-biindole-3,3'(1H,1'H)-dione;(delta(2,2' )-biindoline)-3,3'-dione;(de...
- Updatetime:Feb 09 2023
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PIGMENT BLUE 66 powder 482-89-3 99%
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- Appearance:blue powder
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- Usage:Pharmaceutical Intermediates
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- Description:Product Details Packing&Delivery packing: 25 kg/bag*drum
- Updatetime:Feb 25 2022
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Indigo
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- Description:· Indigo
- Updatetime:Apr 26 2021
-
Indigo
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- Appearance:blue crystalline powder
- Purity:>98% 99%by HPLC
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- Usage:For laboratory research
- Brand:Chengdu Herbpurify CO.,LTD
- Description:Indigo 【 Synonyms 】 Indigo 【
- Updatetime:Nov 02 2020
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Indigo
- FOB Price:1 USD/kilogram
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- Appearance:bue powder
- Purity:98%min
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- Usage:Mainly used for dyeing cotton yarn, cotton cloth, wool or silk. Pure for food dyes etc
- Brand:Coreychem
- Description:Cara01 : Henan Coreychem Tech Co Ltd, facing global High-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and rare chemicals trade. Corey have well-equipped machine, strong technical f...
- Updatetime:May 21 2019
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Indigo high quality best price low price
- FOB Price:10 USD/g
- Min.Order:10 G
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- Appearance:powder
- Purity:99%
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- Description:Detailed instructions Whatsapp/Skype/ wechat: +86 1 91
- Updatetime:Apr 17 2023
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High purity Indigo 98% TOP1 supplier in China
- Min.Order:1 Kilogram
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- Usage:Dye: VAT dye
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High quality Mitoxantrone Hydrochloride supplier in China
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- Appearance:White or light yellow powder
- Purity:99%min
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- Brand:Chemzhongyuan
- Description:Name: Indigo Synonyms: I0212; LS-131; RP29343; AN-8423; AC-8002; ci 73000; nsc 8645; indigo n; indigo j; indigo p; indigotin; cystoceva; indigo vs; hsdb 4372; diindogen; ai3-09080; nci-c61392; ccris 4379; 11669 blue; indigo pln; vat blue 1; d&c blue 6; c.i. 73...
- Updatetime:Jul 13 2021
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Indigo 482-89-3 supplier
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- Updatetime:Feb 25 2019
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Indigo
- Appearance:contact us for more details about Indigo, CAS:482-89-3
- Purity:contact us for more details about Indigo, CAS:482-89-3
- Packaging:Glass bottle in aluminum foil bag, from mg scale to kg scale
- Usage:Chemicals, pharmaceutical research, pharmaceutical intermediates, reagents
- Brand:FINETECH
- Description:FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the Indigo, CAS:482-89-3 with the most competitive price and the best quality. We can offer efficie...
- Updatetime:Nov 21 2018
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Indigotin
- Min.Order:20 Milligram
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- Purity:98%
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- Description:Superiority the purity is no less than 98% by hplc，which can be used as reference standard in quality analysis.the ordinary packege is 20mg per vial. besides,it can be provided from grams to kg level for other uses. Details Molecular Formula:C16H10N2O2 Transp...
- Updatetime:Apr 01 2019
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3H-Indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-...
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- Purity:99
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- Description:Indigo PureBASF (6CI);[D2,2'-Biindoline]-3,3'-dione(8CI);11669 Blue;Blue No. 201;C Blue 22;C.I. 73000;C.I. Natural Blue 1;C.I. Pigment Blue 66;C.I. Vat Blue 1;Cystoceva;D and C Blue No. 6;D&;CBlue No. 6;D+C Blue No. 6;Diindogen;Indigo;Indigo Blue;Indigo Ciba;I...
- Updatetime:Nov 21 2018
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Indigo
- Description:Name: Indigo Synonyms: 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one; 2,2'-Bis(2,3-dihydro-3-oxoindolylidene); Indigo blue; C.I. 73000; Vat Blue 1 CAS Registry number: 482-89-3 EINECS：207-586-9 Molecular Formula: C16H10N2O2 Boiling Point...
- Updatetime:Jun 12 2019
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