CAS No.85-83-6,Solvent Red 24 Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	85-83-6
Name:	Solvent Red 24
Article Data:	3

Formula:	C₂₄H₂₀N₄O
Molecular Weight:	380.449
Synonyms:	Oil Red S;Oil Red SST Extra;Oil Red TAX;Oil Red ZD;OilScarlet;Oil Scarlet 48;Oleal Red BB;Oleosol Red BB;OrganolRed B;Orient Oil Red RR;Plastoresin Red F;Red 3R Soluble inGrease;SOT Red 1;Scarlet R (solvent dye);Scarletoil;Silotras Red T 3B;StearixRed 4B;Stearix Red 4S;Sudan (IV) dye;Sudan 4;Sudan Red380;Sudan Red 4BA;Sudan Red BBA;TU 6-14-8780;Toyo Oil Red BB;Waxoline Red OM;WaxolineRed OS;o-Tolueneazo-o-toluene-b-naphthol;o-Tolylazo-o-tolylazo-2-naphthol;SudanⅣ;Dispersol Red PP;Fast Oil Red B;Fat Red BB;Fat Red TS;Grasal Brilliant Red B;Grasan Brilliant Red B;Hidaco Oil Red;Lacquer Red V;Lacquer Red VS;Oil Red;Oil Red 282;Oil Red 2B;OilRed 3;Oil Red 3B;Oil Red APT;Oil Red B;Oil Red BS;Oil Red D;Oil Red F;Oil Red GO;Oil RedRC;2-Naphthalenol,1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]- (9CI);2-Naphthol,1-(4-o-tolylazo-o-tolylazo)- (6CI);1-(2'-Methyl-4'-(2''-methylphenylazo)phenylazo)-2-naphthol;Atlasol Red4B;Biebrich Scarlet BPC;Biebrich Scarlet Red;C.I.26105;Candle Scarlet B;Ceres Red BB;
EINECS:	201-635-8
Density:	1.19 g/cm³
Melting Point:	199 °C (dec.)(lit.)
Boiling Point:	618.8 °C at 760 mmHg
Flash Point:	424.4 °C
Solubility:	23μg/L at 25℃
Appearance:	dark red to brown crystals or powder
Hazard Symbols:	Xi, T
Risk Codes:	36/38-45
Safety:	26-36-53-45
PSA:	69.67000
LogP:	7.99300

Synthetic route

: 135-19-3
β-naphthol

: 97-56-3
o-aminoazotoluene

: 85-83-6
Sudan-IV

Conditions

Conditions	Yield
Stage #1: o-aminoazotoluene With hydrogenchloride In water at 20℃; for 0.5h; Stage #2: With sodium nitrate In water at 3℃; for 4h; Stage #3: β-naphthol In water for 3h; Temperature;	97.23%

: 135-19-3
β-naphthol

diazotized 4'-amino-2.3'-dimethyl-azobenzene: diazotized 4'-amino-2.3'-dimethyl-azobenzene

: 85-83-6
Sudan-IV

: 20398-06-5
thallium (I) ethoxide

: 85-83-6
Sudan-IV

: Tl(1+)*C10H6ON2C6H3CH3N2C6H4CH3(1-)=TlC10H6ON2C6H3CH3N2C6H4CH3

Conditions

Conditions	Yield
In tetrahydrofuran (Ar), to soln. of ligand in dry THF added dropwise soln. of TlOEt at room temp., stirred for 2 h; filtered;	99%

: 27628-29-1
4-(dimethylsilyl)benzoic acid

: 85-83-6
Sudan-IV

: C33H30N4O2Si

Conditions

Conditions	Yield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 24h; Inert atmosphere; Schlenk technique;	62%

: 85-83-6
Sudan-IV

tin dichloride: tin dichloride

A: 2834-92-6
1-amino-2-naphthol

B: 95-53-4
o-toluidine

C: 95-70-5
2-methyl-p-phenylenediamine

...Expand

: 109-54-6
3-(Dimethylamino)propyl chloride

: 85-83-6
Sudan-IV

: 1353278-96-2
C29H31N5O

Conditions

Conditions	Yield
Stage #1: Sudan-IV With potassium hydroxide In 5,5-dimethyl-1,3-cyclohexadiene; water Reflux; Stage #2: 3-(Dimethylamino)propyl chloride In 5,5-dimethyl-1,3-cyclohexadiene; water at 70℃; for 48h; Reflux;

Raw Materials

135-19-3

Downstream Products

95-70-5

95-53-4

2834-92-6

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Chemistry

Structure of Scarlet red (CAS NO.85-83-6):

IUPAC Name: 1-[[2-methyl-4-(2-methylphenyl)diazenylphenyl]hydrazinylidene]naphthalen-2-one
Empirical Formula: C₂₄H₂₀N₄O
Molecular Weight: 380.4418
EINECS: 201-635-8
Index of Refraction: 1.645
Molar Refractivity: 115.658 cm³
Molar Volume: 319.052 cm³
Polarizability: 45.85×10^-24cm³
Surface Tension: 46.131 dyne/cm
Density: 1.192 g/cm³
Flash Point: 424.365 °C
Enthalpy of Vaporization: 95.104 kJ/mol
Melting Point: 199 °C (dec.)(lit.)
Boiling Point: 618.845 °C at 760 mmHg
Vapour Pressure: 0 mmHg at 25 °C
Stability: Stable. Incompatible with strong oxidizing agents.
Product Categories: Organics;Solvent Dyestuff
Physical Appearance: dark red to brown crystals or powder

Uses

In industry, Scarlet red (CAS NO.85-83-6) is used to color nonpolar substances like oils, waxes, fats, various hydrocarbon products,greases, and acrylic emulsions. Sudan IV is also used in United Kingdom as a fuel dye to dye lower-taxed heating oil . It is also known as Oil Tax Red. As a food dye, Sudan IV is considered an illegal dye.

Toxicity Data With Reference

mma-sat 100 µg/plate

MUREAV Mutation Research. 56 (1978),249.

Consensus Reports

IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 ,1987,p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 8 ,1975,p. 217.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 8 ,1975,p. 217.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.

Safety Profile

Hazard Codes: Irritant Xi, Toxic T
Risk Statements: 36/38-45
R36/38:Irritating to eyes and skin.
R45:May cause cancer.
Safety Statements: 26-36-53-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S53:Avoid exposure - obtain special instructions before use.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany: 3
RTECS: QL5775000
Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NO_x.

Specification

Scarlet red , its cas register number is 85-83-6. It also can be called 1-(4-o-Tolylazo-o-tolylazo)-2-naphthol ; 2',3-Dimethyl-4-(2-hydroxynaphthylazo)azobenzene ; 2-Naphthol, 1-((4-(o-tolylazo)-o-tolyl)azo)- ; Biebrich Scarlet BPC ; Biebrich Scarlet R medicinal ; Biebrich Scarlet Red ; Brasilazina Oil Red B ; Cerven rozpoustedlova 24 ; Fast Oil Red B ; Fat Soluble Dark Red ; Hidaco Oil Red ; Lacquer Red VS ; Oil Red ZD ; Oil Scarlet ; Oil Scarlet (VAN) ; Orient Oil Red RR ; Phenoplaste Organol Red B ; Rubrum scarlatinum ; Sarlach R ; Scarlet red, biebrich ; Scharlachrot ; alpha-Tolylazo-o-tolylazo-beta-naphthol ; o-Tolueneazo-o-toluene-beta-naphthol ; o-Tolueneazo-o-tolueneazo-beta-naphthol ; o-Tolylazo-o-tolylazo-2-naphthol ; o-Tolylazo-o-tolylazo-beta-naphthol .