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Indigo CAS#482-89-3

Indigo CAS#482-89-3 Promotion Season Now in Store and Free Sample for Testing with Factory Price

Chemical Name：Indigo

CAS No.:482-89-3

Molecular Formula:C16H10N2O2

Molecular weight:262.26

Sample: Available

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Product Details

Products Description of Indigo CAS#482-89-3

Indigo is a vat dye with a history of more than 3,000 years. Xun Kuang's famous saying of the Warring States Period, "Blue, comes from blue and is better than blue" originated from the indigo dyeing technology at that time. "Qing" here refers to cyan, and "blue" refers to the blue grass from which indigo is made. Before the Qin and Han Dynasties, the application of indigo was quite common.

Indigo CAS#482-89-3

Indigo Chemical Properties

Melting point	>300 °C(lit.)
Boiling point	405.51°C (rough estimate)
density	1.01 g/mL at 20 °C
vapor pressure	0Pa at 100℃
refractive index	1.5800 (estimate)
Fp	>220℃
storage temp.	Sealed in dry,Room Temperature
solubility	DMSO (Slightly, Heated, Sonicated), DMF (Slightly)
form	Powder
Colour Index	73000
pka	-3.83±0.20(Predicted)
color	Dark blue to violet
Water Solubility	<0.1 g/100 mL
Merck	14,4943
BRN	88275
Stability:	Stable. Incompatible with strong oxidizing agents.
InChIKey	COHYTHOBJLSHDF-BUHFOSPRSA-N
LogP	2.7 at 23℃
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)

Safety Information

Hazard Codes	Xi,Xn
Risk Statements	36/38-36/37/38-48/20/21/22
Safety Statements	26-36
RIDADR	UN 3264 8/PG 3
WGK Germany	1
RTECS	DU2988400
HS Code	32041510
Hazardous Substances Data	482-89-3(Hazardous Substances Data)
Toxicity	LD50 oral in mouse: > 32gm/kg

Product Application of Indigo CAS#482-89-3

Used as a food colorant, our country stipulates that it can be used in red and green silk, the maximum usage amount is 0.02g/kg; in fruit juice (flavor) drinks, carbonated drinks, prepared wine, candy, Chemicalbook pastries, color packaging, dyeing canned cherries ( For decoration) and green plums, the maximum usage amount is 0.10g/kg; in dipping side dishes, the maximum usage amount is 0.01g/kg.

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