Shellac CAS 9000-59-3

ShellacFlake;(5ξ,10β)-10,14-Dihydroxycedr-8-ene-12,15-dioicacid-9,10,15-trihydroxypentadecanoicacid(Chemicalbook1:1);SHELLACGUM,ORANGE;SHELLACORANGE;Shellac;SHELLACWAX-FREE,PHEUR;SHELLACORANGEBESTQUALITY;Schellack

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Model:
9000-59-3
Brand:
bosschem
Code:
9000-59-3

Product Description

Shellac Basic information
Product Name:	Shellac
CAS:	9000-59-3
MF:	unspecified
MW:	0
EINECS:	232-549-9
Mol File:	Mol File
Shellac Chemical Properties
Melting point聽	115-120掳
density聽	1.035-1.140
storage temp.聽	2-8掳C
solubility聽	Practically insoluble in water, gives a more or less opalescent solution (wax containing shellac and bleached shellac) or a clear solution (dewaxed shellac and bleached, dewaxed shellac) in anhydrous ethanol. When warmed it is sparingly soluble or soluble in alkaline solutions.
Odor	mild woody
Stability:	Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference	9000-59-3
EPA Substance Registry System	Shellac (9000-59-3)

Indicator name	Measured value
Color	light yellow
Form	Flakes
Color index/number	17
Hot ethanol insoluble matter/%	0.6
Heat hardening time/min (170℃)	3’20’’
Volatile (matter moisture)/%	1.2
Waxy/%	3.1
Rosin	No
Water soluble/%	0.23
Ash/%	0.19
Acid value/KOH (mg/g)	72
Iodine value	18
Orpiment
Conclusion	Qualified

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Shellac CAS 9000-59-3

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Chemical detection methods

Spectroscopic Analysis Methods

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

Chromatographic Analysis

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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)
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Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis