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Solvent Red 8

Solvent Red 8 structure

CAS No:
33270-70-1
Formula:
C32H22CrN10O8.H
Chemical Name:
Solvent Red 8
Synonyms:
Chromate(1-),bis[2,4-dihydro-4-[2-[2-(hydroxy-κO)-4-nitrophenyl]diazenyl-κN1]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-κO3]-,hydrogen (1:1);Chromate(1-),bis[4-[(2-hydroxy-4-nitrophenyl)azo]-3-methyl-1-phenyl-2-pyrazolin-5-onato(2-)]-,hydrogen;Chromate(1-),bis[2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)]-,hydrogen;Chromate(1-),bis[2,4-dihydro-4-[[2-(hydroxy-κO)-4-nitrophenyl]azo-κN1]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-κO3]-,hydrogen;3H-Pyrazol-3-one,2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-,chromium complex;C.I. Solvent Red 8;C.I. 12715;Alcovar Red BEC;Azosol Fast Red BE;Lacquer Red SD;Lacquer Red VB;Perlon Fast Red B;Perlon Fast Red G;Zapon Fast Red BE;Vali Fast Red 3304;Solvent Red 8;Vali Fast Red 3312;Red R 04;Bricosol Red K 10B;Vali Fast Red 3311;102382-72-9;6472-55-5;10027-12-0;13011-63-7;20714-20-9;59459-49-3;65979-96-6;66009-93-6;67414-28-2
Categories:
Dyes and Pigments > Dye

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Solvent Red 8 Basic Attributes

Molecular Weight：

727.592

Exact Mass：

727.112183

EC Number：

251-436-5

HScode：

3204170000

Characteristics

PSA：

239

XLogP3：

8.16110

Boiling Point：

529.4ºC at 760 mmHg

Flash Point：

274ºC

Safety Information

Precautionary statement(s)：

P264, P273, P280, P305+P351+P338, P337+P313, P391, P501

Hazard Statements：

H319

GHS Classification：

Not Classified

Solvent Red 8 Use and Manufacturing

Methods of Manufacturing

Using 2-amino-5-nitrophenol and 1-phenyl-3-methyl-5-pyrazolone as raw materials, first diazotize the former, couple with the latter, and then add chromating reagent for complexation Get the product together. After filtering and drying, the finished product is obtained.

Uses

Solvent Red B is used for the coloring of paints, inks, natural and synthetic leather, and also for the coloring of aluminum foil and other metals, gems, glass, plastics, etc. Bright color.

Manufacturing Info：

Chromate(1-), bis[2,4-dihydro-4-[2-[2-(hydroxy-.kappa.O)-4-nitrophenyl]diazenyl-.kappa.N1]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-.kappa.O3]-, hydrogen (1:1): ACTIVE

Computed Properties

Molecular Weight:727.6
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:15
Rotatable Bond Count:5
Exact Mass:727.110537
Monoisotopic Mass:727.110537
Topological Polar Surface Area:258
Heavy Atom Count:51
Formal Charge:-3
Complexity:493
Undefined Bond Stereocenter Count:2
Covalently-Bonded Unit Count:4
Compound Is Canonicalized:Yes

Recommended Suppliers of Solvent Red 8

HANGZHOU LEAP CHEM CO., LTD. Contact Supplier

CN
5 YRS

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Trader Supplier of Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals,Biochemicals,Pharmaceuticals,Screening Compounds,Food Additives

Solvent Red 8

CAS No.: 33270-70-1

Content: 99.00%

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Hangzhou Chungyo Chemicals Co., Ltd. Contact Supplier

CN
3 YRS

Business licensed Certified factory

Manufactory Supplier of Dyes,Textile agent,Medical intermediate,API,Pigments,Basic Chemicals

Solvent Red 8

CAS No.: 33270-70-1

Grade: Industrial Grade

Content: 99%

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