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Indigo
carmine, Certified® Biological Stain
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Certified Biological Stain for Analytical, Synthesis, and
Research & Development:
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Not intended for animal or human diagnostic or therapeutic
use
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Don’t see what you’re looking for? Give us the opportunity to make it
happen!
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Certificate of Analysis and Material Safety Data
Sheets Available Upon Request
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Assay
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Current stock: GTI2127288CBS-0922-CL
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Appearance dark violet powder; Assay (dye content,
dried basis) 95.3%; Additional subsidiary dyes excluding Disosdium 3,3-dioxo
2,2-bi-indolylidine-5,7 disulfonate <1%, Dye intermediates <0.5%,
Combined eather extracts 0.11%; BSC staining commission A4-28; Cation metals
Arsenic (As) <1ppm, Cadmium (Cd) 0ppm, Lead (Pb) <10ppm, Sulfur (S)
0.00ppm, Mercury (Hg) 0.0ppm; Heavy metals (as Pb) <40ppm; Identification
(FTIR) conforms to structure; Insoluble material 0.11%; Loss on drying 3%;
Suitability for hematology & histology;
UV Ratios (water, ? max) >608nm; Visual transition range (pH 11.5)
blue, (pH 14.0) yellow;
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Beilstein Number
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4103904
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Boiling
point
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-
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CAS
Number
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860-22-0
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Density
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0.70
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EINES Number
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212-728-8
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Flash
point
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-
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Formula’s
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C16H8N2O8S2·2Na
or C16H8N2Na2O8S2
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Harmonized
Code
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3204.19.5000
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IUPAC Name
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Disodium
2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate
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Melting point
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>300°C
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MDL Number
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MFCD00005723
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Molecular
Weight
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466.35
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Refractive index
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1.335
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Solubility
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in
ethylene glycol monomethyl ether, ethanol, slightly soluble in water, and
alcohol
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Synonym(s)
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212-728-8; 4103904; 5,5'-Indigodisulfonic
acid disodium salt; 860-22-0; Acid Blue 74; Amacid Brilliant Blue; C.I.
73015; C.I. Acid Blue 74; C16H8N2Na2O8S2; Carmine Blue; C.I. 73051; Disodium
2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate; Disodium
5,5'-indigotin disulfonate; Indigo carmine; Indigo-5,5'-disulfonic acid
disodium salt; Indigotine Carmine; Indigotine disodium salt; Indocarmine F;
Intense Blue; Japan Blue 2; MFCD00005723; Sodium 5,5'-indigotindisulfonate;
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GHS (Accordance with 29
CFR 1910, OSHA HCS)
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Pictogram
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None
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Signal
Word
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Warning
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Statement(s)
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H317 May cause an allergic skin reaction.
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Other
hazards
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None
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Recommendations
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Do not handle until all safety precautions have been
read (SDS) and understood.
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Storage
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General
I’s shelf
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NFPA
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1-0-0
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Package
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Compatible
HDPE or amber glass bottle
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TRANSPORTION INFORMATION
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US
DOT
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Not
dangerous goods
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