Indigo CAS 482-89-3

(2,2’-biindoline)-3,3’-dione;(2,2'-Biindoline)-3,3'-dione;(delta(2,2’(3h,3’h))-biindole)-3,3’-dione;(delta(2,2’)-biindoline)-3,3’-dione;PIGMENT BLUE 66;d&cblueno.6;D+C Blue No. 6;d+cblueno6

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Model:
482-89-3
Brand:
bosschem
Code:
482-89-3

Product Description

Indigo Basic information
Product Name:	Indigo
CAS:	482-89-3
MF:	C16H10N2O2
MW:	262.26
EINECS:	207-586-9
Indigo Chemical Properties
Melting point	>300 °C(lit.)
Boiling point	405.51°C (rough estimate)
density	1.01 g/mL at 20 °C
refractive index	1.5800 (estimate)
Fp	>220℃
storage temp.	Sealed in dry,Room Temperature
form	Powder
pka	-3.83±0.20(Predicted)
Colour Index	73000
color	Dark blue to violet
Water Solubility	<0.1 g/100 mL
Merck	144,943
BRN	88275
Stability:	Stable. Incompatible with strong oxidizing agents.
InChIKey	COHYTHOBJLSHDF-BUHFOSPRSA-N
CAS DataBase Reference	482-89-3(CAS DataBase Reference)
NIST Chemistry Reference	c.i. Vat blue 1(482-89-3)
EPA Substance Registry System	C.I. Vat Blue 1 (482-89-3)

Item	Grade	Test Result	Standard
Purity, % ≥	99.5	99.78	GB/T17529. 1-2008
Color, Hazen ≤	20	10	GB/T17530. 3-1998
Water Content % ≤	0.20	0.09	GB/T6283-1986
Inhibitor Content (MEHQ) (m/m), 10-6	200±20	188	GB/T17530.5-1998
Acrolein, %	0.001
Acetic Acid, %	0.054
Furfural, %	0.019
B, %	0.004
Propionic Acid, %	0.037
DAA, %	0.026
Appearance	Clear colorless liquid, Odour Pungent smell

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公司信息

Indigo 482-89-3 C16H10N2O2

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Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis