Name | Palatine Fast Black WAN |
Synonyms | CI 15711 C.I. 15711 abcolblackwa Acid black 52 Acid Black 52 C.I.AcidBlack52 C.I. Acid Black 52 Acid Black 52 (15711) Palatine Fast Black WAN PALATINE FAST BLACK WAN 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitro-naphthalene-1-sulfonic acid sodium 3-hydroxy-4-(2-hydroxy-1-naphthylazo)-7-nitronaphthalene-1-sulphonate chromate(3-),bis(3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphtha 4-[(2-hydroxynaphthalen-1-yl)hydrazono]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate 3-Hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonicacid,monosodiumsalt,chromiumcomplex |
CAS | 5610-64-0 |
EINECS | 227-029-3 |
InChI | InChI=1/C20H13N3O7S/c24-16-8-5-11-3-1-2-4-13(11)19(16)21-22-20-14-7-6-12(23(26)27)9-15(14)18(10-17(20)25)31(28,29)30/h1-10,24-25H,(H,28,29,30) |
Molecular Formula | C60H36Cr2N9Na3O21S3 |
Molar Mass | 1488.13 |
Density | 1.64g/cm3 |
Refractive Index | 1.747 |
Safety Description | 24/25 - Avoid contact with skin and eyes. |
HS Code | 29270000 |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Production method | 6-? Nitro -1,2,4-acid diazotization, coupled with 2-naphthol, the product is heated with chromium formate in aqueous solution, kept at 115 ℃ for 2h, then mixed with half of the same batch of dye without complexation, and mixed with sodium hydroxide to be alkaline and dried. Its product composition is about 2mol chromium to 2mol nitrogen dye. |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |