Indigo 94-100%
3 Inquiries
482-89-3
Industrial Grade
94-100%
QINGDAO
1kg/0.2kg Bag
2016-08-31
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Product Description
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Seller Information
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Inquiry History
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Description
Properties: blue powder (may be partial deep blue), odourless.
Solubility: slightly soluble in water, ethanol, glycerin and propylene glycol, does not dissolve in oils and fats. 0.05% of the aqueous solution is dark blue. 1 g soluble in about 100 ml, 25 ℃ water, for water solubility was lower than those of other edible synthetic pigment, 0.05% aqueous solution is blue. Soluble in glycerol, propylene glycol, slightly soluble in ethanol, insoluble in fats. In dark blue of sulfuric acid, diluted is blue, its aqueous solution with sodium hydroxide is green to yellowish green. The indigo color, has a unique tonal, is widely used. Heat resistance, light resistance, alkali resistance, oxidation resistance, salt resistance and bacterial resistance are poor. Fade when reduction, reduction, such as using sodium sulfate or glucose as indigo was white. Maximum absorption wavelength of 610 nm + 2 nm [3].
Stability: the light resistance heat resistance is poor, the citric acid, tartaric acid and alkali is not stable.
Density: 1.417 g/cm3
Melting point: 390-392 ℃ (dec)
Boiling point: 400.4 ° C at 760 mmHg
Flash: 158.2 ° C
Vapor pressure: 1.27 e-06 mmHg at 25 ° C
Basic Info-
Product Name:
Indigo Blue
Other Name:3H-Indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-;[Δ2,2′-Biindoline]-3,3′-dione;Indigo Pure BASF;2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one;11669 Blue;C.I. 73000;[Δ2,2′(3H,3′H)-Biindole]-3,3′-dione;Δ2,2′-Bipseudoindoxyl;D+C Blue No. 6;C.I. Vat Blue 1;Diindogen;Indigo J;Indigo N;Indigo P;Indigo Ciba;Indigo Ciba SL;Indigo NAC;Indigo NACCO;Indigo PLN;Indigo Powder W;Indigo Pure BASF Powder K;Indigo Synthetic;Indigotin;Indigo VS;Lithosol Deep Blue B;Mitsui Indigo Paste;Mitsui Indigo Pure;Monolite Fast Navy Blue BV;Synthetic indigo;Synthetic Indigo TS;Vulcafix Blue R;Vulcafor Blue A;Vulcanosine Dark Blue L;Vulcol Fast Blue GL;Vynamon Blue A;Vat Blue 1;Indigo;Blue No. 201;Cystoceva;Indigo Blue;D and C Blue No. 6;Indigotin (natural);Indigotine;C.I. Pigment Blue 66;Pigment Indigo;Pigment Indigo V;Pigment Blue 66;C Blue 22;Natural blue indigotin;C.I. Natural Blue 1;Natural Blue 1;Mitsui Indigo Pure EXN;Japan Blue 201;Vat Dark Blue VB;D&C Blue No. 6;Reduced Dark Blue VB;Dystar Indigo Gr;2,2′-Bis(2,3-dihydro-3-oxoindolylidene);Bezema Indigo AXX-FL;AXX-FL;2,2′-Biindolylidene-3,3′-dione;2-(3-Oxo-1H-indol-2-ylidene)-1H-indol-3-one;AT 01;Dystar Indigo Gran;11129-41-2;12000-74-7;12626-73-2;93660-98-1;136797-30-3;210488-46-3;908005-94-7;1131642-59-5;2089217-02-5;2089217-38-7
CAS No.:482-89-3
Molecular Formula:C16H10N2O2
InChIKeys:InChIKey=COHYTHOBJLSHDF-UHFFFAOYSA-N
Molecular Weight:262.26300
Exact Mass:262.26
EC Number:207-586-9
UNII:1G5BK41P4F
NSC Number:8645
DSSTox ID:DTXSID3026279
Color/Form:DARK-BLUE POWDER WITH COPPERY LUSTER
HScode:3204151000
Categories:
Characteristics-
PSA:
58.20000
XLogP3:3.09080
Appearance:C.i. vat blue 1 is a dark blue powder with coppery luster. Occurs in isomeric forms (cis and trans). In solid state it is in the trans form. (NTP, 1992)
Density:1.35 g/cm3
Melting Point:390 °C (decomp)
Boiling Point:400.4ºC at 760mmHg
Flash Point:158.2ºC
Refractive Index:1.709
Water Solubility:SOL IN ANILINE, NITROBENZENE, CHLOROFORM, GLACIAL ACETIC ACID, CONCN SULFURIC ACID
Storage Conditions:Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure:1.27E-06mmHg at 25°C
Toxicity:LD50 oral in mouse: > 32gm/kg
Experimental Properties:SUBLIMES @ ABOUT 300 °C; DECOMPOSES @ 390 °C; DISSOLVES IN NONPOLAR SOLVENTS WITH RED & IN POLAR SOLVENTS WITH BLUE COLOR; WITH FUMING H2SO4 IT FORMS A SOL SULFONIC ACID; OCCURS AS CIS & TRANS ISOMER; TRANS ISOMER IS SOLID|INDIGO...IS A DYE WHICH IS ESSENTIALLY INSOLUBLE IN WATER IN ITS COLORED OXIDIZED FORM, BUT IS SOLUBLE WHEN REDUCED TO A COLORLESS FORM.
Air and Water Reactions:Insoluble in water.
Reactive Group:Amines, Phosphines, and Pyridines
Hazard IdentificationClassification of the substance or mixture
Specific target organ toxicity â repeated exposure, Category 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statement(s) Prevention P260 Do not breathe dust/fume/gas/mist/vapours/spray.
Response P319 Get medical help if you feel unwell.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Location:
Hebei anpingxian five new village
The factory specializing in the production of sodium methoxide, indigo, aniline potassium acetate, and other fine chemical products, excellent quality, fast and convenient service allows you to secure. Anpingxian 4th chemical plant, I plant mainly produces sales of sodium methoxide, indigo, aniline base potassium acetate, etc., the factory registered capital of the unknown, our factory address in social economists fei xiaotong referred to as the "golden cross intersections" hengshui, hebei hengshui hebei anpingxian five new village, look forward to you to come to our factory to negotiate business
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Inquiry History3 Inquiries
Country Product Purchase Quantity Date Posted 
Madagascar
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25 G Jun 13, 2024 
India
Indigo blue dyes 94% for cotton textile
1000 MT Feb 26, 2024 
Bangladesh
sythentic Indigo dyes
1000 KG Aug 9, 2023 Post an enquiry for this product
