2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)
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![2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2) structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220812/5a75f1f0f07647e6a26a2a6ca40da408.png "2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)")
2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)
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CAS No:
3564-21-4
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Formula:
C18H13ClN2O6S.2Na
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Chemical Name:
2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)
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Synonyms:
2-Naphthalenecarboxylic acid,4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-,sodium salt (1:2);C.I. Pigment Red 48,disodium salt;2-Naphthalenecarboxylic acid,4-[(5-chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-,disodium salt;C.I. Pigment Red 48;C.I. 15865;Bonadur Red Y 20-6440;Brilliant Red 2B;Carmine Lake 2A;Carmine Lake 2WA;Eljon Rubine YS;Irgalite Red 2BS;Isol Bona Red 5NR;Kromon Red 2B Sodium Salt;Lithol Scarlet 5BM;Lithol Scarlet BBM;Lithosol Red 2B;Lithosol Red 2BD;Monolite Rubine 2BN;No. 67 Conc. Crimson;No. 3742/4 Conc. Scarlet;Silogomma Fast Red G;Silotermo Red F;Silotermo Red FG;Silotermo Red RBM;Siloton Red F 5R;Siloton Red RBM;Symuler Neothol Red 2B;Symuler Red 3020;Symuler Red 3023;Symuler Red 3030;Symuler Red 3037;Pigment Red 48;Permanent Red F 5R;Isol Bona Red NR;Japan Red 405;Suprapal Red 3XIA843;Pigment Red 4BS;Cogilor Red 313.00;Symuler Red 3045;Permanent Red 2B;Red No. 405;Watching Red;100551-99-3;11108-04-6;12238-26-5
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CAS No:
2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2) Basic Attributes
464.78728
463.98200
222-642-2
07XHK4SAV6
DTXSID5063075
2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2) Use and Manufacturing
The product is generally not used in large amounts, and is often prepared into various lakes, such as light fast too red BBN, light fast wire BBS, light fast wire MGP, permanent red F5R, permanent red 2BL, etc. Reaction equation operation process Weigh 66.6kg of sodium salt of diazonium component, dissolve it in 800L water at 70℃, stir overnight, add 20.7kg solution prepared by strict sodium nitrate, and add 500L hydrochloric acid for diazotization reaction. For the first 30 minutes, add ice and keep the temperature at 5-6°C. Weigh 60kg of 2, 3-acid (add 20kg of soda ash) and dissolve it in 200L of 80℃ water, add ice to cool to 2～3℃ before coupling, and add 75kg of sodium carbonate to prepare 10% solution, total volume is 3400L. D Add diazonium liquid at 2～3℃, it takes about 1.5h, the total volume is 7400L, stir overnight, heat to 80℃ the next day, stir and cool to a certain temperature, filter, dry at 50～60℃, yield 140kg.
2-Naphthalenecarboxylic acid, 4-[2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2): ACTIVE
Cosmetics -> Cosmetic colorant; Hair dyeing
Computed Properties
Molecular Weight:464.8
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:8
Rotatable Bond Count:3
Exact Mass:463.9821735
Monoisotopic Mass:463.9821735
Topological Polar Surface Area:151
Heavy Atom Count:30
Complexity:698
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes
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