1-(p-Phenylazophenylazo)-2-naphthol (Sudan III)
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1-(p-Phenylazophenylazo)-2-naphthol (Sudan III)
structure -
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CAS No:
85-86-9
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Formula:
C22H16N4O
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Chemical Name:
1-(p-Phenylazophenylazo)-2-naphthol (Sudan III)
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Synonyms:
2-Naphthalenol,1-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-;C.I. Solvent Red 23;2-Naphthalenol,1-[[4-(phenylazo)phenyl]azo]-;2-Naphthol,1-(p-phenylazophenylazo)-;1-[2-[4-(2-Phenyldiazenyl)phenyl]diazenyl]-2-naphthalenol;C.I. 26100;111440 Red;Brasilazina Oil Scarlet;Certiqual Oil Red;Fast Oil Scarlet III;Fat Red R;Fat Red HRR;Fat Red RS;Fat Scarlet LB;Grasal Brilliant Red G;Grasan Brilliant Red G;Oil Red 3G;Oil Red AS;Oil Scarlet G;Organol Red BS;Organol Scarlet;1-(p-Phenylazophenylazo)-2-naphthol;Silotras Scarlet TB;Somalia Red III;Stearix Scarlet;Sudan Red III;Sudan P III;Tetrazobenzene-β-naphthol;Toney Red;D and C Red No. 17;Sudan III;Red Zh;Fat Soluble Red Zh;FD And C Red No. 17;Red No. 225;Solvent Red 23;Oil Red Extra;Sudan 3;Japan Red 225;Japan Red No. 225;NSC 65825;NSC 8995;D&C Red No. 17;Oil Red DR 126;DC Red 17;Red 17;VisioTag;1-(p-Phenylazophenylazo)-2-naphthol (Sudan III);D&C Red No. 17 K 7007
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CAS No:
Description
Sudan III is a lysochrome (fat-soluble dye) diazo dye.
Sudan III is a bis(azo) compound that is 2-naphthol substituted at position 1 by a 4-{[(2-methylphenyl)diazenyl]phenyl}diazenyl group. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections, but which may also stain some protein bound lipids in paraffin sections. It has a role as a fluorochrome, a histological dye and a carcinogenic agent. It is a member of azobenzenes, a bis(azo) compound and a member of naphthols. It derives from a 2-naphthol.
1-(p-Phenylazophenylazo)-2-naphthol (Sudan III) Basic Attributes
352.39
352.39
2016384
201-638-4
ND733RX3JN
65825|8995
DTXSID3041742
2927000090
Characteristics
69.67000
5.74
Red-brown Powder
1.2±0.1 g/cm3
195 °C
584.6±35.0 °C at 760 mmHg
398.1±15.2 °C
1.662
Insoluble in water; soluble in benzene, chloroform; moderately soluble in acetone, ether, petroleumether; slightly soluble in ethanol, xylene
Amber Vial, Refrigerator
Abdominal-rabbit LDL0: 250 mg/kg
Flammable, decomposes toxic nitrogen oxide gas when burning
Safety Information
NONH for all modes of transport
3
10-20-36/38-36/37/38
22-24/25-36-26
QK4250000
Xi
Warehouse low temperature, ventilated, dry
Stable. Incompatible with strong oxidizing agents.
|Danger|H315 (98.68%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 250 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|Warning|H351: Suspected of causing cancer [Warning Carcinogenicity]|P201, P202, P281, P308+P313, P405, and P501
Drug Information
Chemicals and substances that impart color including soluble dyes and insoluble pigments. They are used in INKS; PAINTS; and as INDICATORS AND REAGENTS. (See all compounds classified as Coloring Agents.)
C.I. 26100
1-(p-Phenylazophenylazo)-2-naphthol (Sudan III) Use and Manufacturing
Biological stains, such as fat and similar substances. It can be used for a variety of resin coloring purposes. Mixed dyes of fat and its analogues. Sudan III can be replaced by Oil Red O. Calibration instruments and devices; evaluation methods; working standards; quality assurance/quality control; others. Category toxic substances
2-Naphthalenol, 1-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-: ACTIVE
Cosmetics -> Cosmetic colorant; Hair dyeing
Computed Properties
Molecular Weight:352.4
XLogP3:5.9
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:4
Exact Mass:352.13241115
Monoisotopic Mass:352.13241115
Topological Polar Surface Area:69.7
Heavy Atom Count:27
Complexity:508
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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1-(p-Phenylazophenylazo)-2-naphthol (Sudan III)
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