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Indigo carmine

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Formula: C16H8N2Na2O8S2
CAS: 860-22-0
search Element: carmine indigo
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Identification

Structural Formula
Indigo carmine
CAS:
860-22-0
EINECS:
212-728-8
Molecular Formula:
C16H8N2Na2O8S2
MDL:
MFCD00005723
SMILES:
C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C(=C3C(=O)C4=C(N3)C=CC(=C4)S(=O)(=O)[O-])N2.[Na+].[Na+]
Synonym:
e132 ; l-blau2 ; murabba ; 1311blue ; ci 73015 ; greell s ; 12070blue ; acidbluew ; c.i.75781 ; indigotini


Description

Indigo carmine is a dye consisting of an indigo dimer with sodium salts of sulfonic acids at positions 5 and 5'. This compound has been used as a tissue stain, pH indicator, and tool for the determination of hypochlorite in solutions.


Suppliers

Krada CPS Industry S.L
KCIS6163080
+
Aozeal Certified Standards (AOCS), Inc.
I0100.00
+
IBIS Chemie International
ICI7002800
+
Alfa (A Johnson Matthey Company)
A8962688
Hangzhou Keying Chem Co., Ltd.
HKC8403360
+
Sigma-Aldrich International GmbH
SI8962688
+
Carbone Scientific Co., Ltd.
CS7842352
+
AK Scientific, Inc.
AS5321596
+
Xingrui Industry Co., Limited
XIL8123248
+
Santa Cruz Biotechnology, Inc.
206056
Get Quick Quote

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1H-Indole-5-sulfonicacid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-,sodium salt (1:2)
Gihi Chemicals Co., Limited
GCL38961155844

Prices & Availability




Data is processed


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Properties for Indigo carmine

Molecular Weight:
466.35 g·mol−1
Density:
1.01 g/mL at 20 °C
Melting point:
>300 °C
Solubility:
Soluble in water (10 g/l at 25° C), glycol, and ethanol (3 mg/ml). Insoluble in benzene, and chloroform.
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Safety & Transport Information

Risk Codes:
R22 - Harmful if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin
Safety Codes:
S22 - Do not breathe dust
S24/25 - Avoid contact with skin and eyes
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S27 - Take off immediately all contaminated clothing
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
Hazard Symbols:
Xn, Xi
Hazard symbol Xn Hazard symbol Xi
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Alternative Distributors of [Indigo carmine]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Spectrum Chemical Mfg. Corp. | Advance Scientific & Chemical, Inc. | Olainfarm | Molekula GmbH | Central Drug House (P) Ltd. | ABCR GmbH & Co. KG | TCI Europe NV | Jinan Great Chemical Co., Ltd. | Aakash Chemicals & Dye-Stuffs, Inc. | Nile Chemicals | BOC Sciences | Suzhou Vosun Chemical Co.,Ltd.

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Downloads

Mol File:
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MSDS:
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