Carminic Acid
1260-17-9 Basic informationMore
- Product Name:Carminic Acid
- Synonyms: Carminic Acid  3,5,6,8-Tetrahydroxy-1-methyl-9,10-dioxo-7-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-9,10-dihydroanthracene-2-carboxylic acid Carminic acid (C.I. 75470) GR for analysis and for microscopy ALUMINUM LAKE OF CARMINIC ACID 2-anthracenecarboxylicacid,7-beta-d-glucopyranosyl-9,10-dihydro-3,5,6,8-tetra 7-.beta.-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-Anthracenecarboxylicacid 7-alpha-d-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo C.I.Naturalred4
- CAS:1260-17-9
- MF:C22H20O13
- MW:492.39
- EINECS:215-023-3
- Mol File:1260-17-9.mol
-
USE
Carminic acid forms red prisms from EtOH. It gives a red colour in Ac2O and yellow to violet in acidic solution. UV: max (H2O) 500nm ( 6,800); (0.02N HCl) 490-500nm ( 5,800) and (0.0001N NaOH) 540nm ( 3,450). IR: max (Nujol) 1708s, 1693s, 1677m, 1648m, 1632m, 1606s, 1566s, 1509 cm-1. Periodate oxidation is complete after 4hours at 0o with the consumption of 6.2 mols. The tetra-O-methyl carminate has m 186-188o (yellow needles from *C6H6/pet ether). [IR: Ali & Haynes J Chem Soc 1033 1959, Bhatia & Venkataraman Indian J Chem 3 (2) 92 1965, Synthesis: Davis & Smith Biochemical Preparations 4 38 1955, Beilstein 18 III/1V 6697.]
Lastest Price from Carminic Acid manufacturers
- Carminic Acid
-
- US $50.00 /KG
- CAS:1260-17-9
- Min. Order: 25KG
- Purity: 98
- Supply Ability: 200ton
- 2023-08-11
- Carminic Acid
-
- US $10.00 /KG
- CAS:1260-17-9
- Min. Order: 1KG
- Purity: 99%
- Supply Ability: 10 mt
- 2023-04-01
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- Company Name:J & K SCIENTIFIC LTD.
- Tel:010-82848833 400-666-7788
- Products Intro:Product Name:CarMinic Acid (Natural dye)
CAS:1260-17-9
Purity:70.0%(LC) Package:25G,5G More... - CB Index:76
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- Tel:4006608290; 18621169109
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Purity:>70.0%(LC) Package:5g;25g Remarks:C0782 More... - CB Index:62
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Purity:99% HPLC Package:1Mg ; 5Mg;10Mg ;100Mg;250Mg ;500Mg ;1g;2.5g ;5g ;10g More... - CB Index:69
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- Company Name:TCI (Shanghai) Development Co., Ltd.
- Tel:021-67121386
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Package:25G,5G More... - CB Index:81
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- Tel:021-021-58432009 400-005-6266
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Purity:70% Package:25G,5G More... - CB Index:61
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- Company Name:Shandong Xiya Chemical Co., Ltd
- Tel:13355009207 13355009207
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Purity:C0782 Package:25g;100g;500g;1kg - CB Index:57
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- Company Name:Hangzhou Yuhao Chemical Technology Co., Ltd
- Tel:0571-82693216
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