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Molecular Structure:
Product Name: Vat Yellow 2
Molecular Formula: C28H14N2O2S2
Molecular Weight: 474.55
Synonyms of Vat Yellow 2 (CAS NO.129-09-9): 2,8-Diphenyl[1,3]thiazolo[5',4':5,6]anthra[2,1-d][1,3]thiazole-6,12-dione ; Ahcovatflavonegc ; Ahcovatflavonegcn
Apperance: Yellow-brown powder
Index of Refraction: 1.786
EINECS: 204-931-5
Density: 1.467 g/ml
Flash Point: 393.6 °C
Boiling Point: 727.3 °C
Classification Code of Vat Yellow 2 (CAS NO.129-09-9): Skin / Eye Irritant
Vat Yellow 2 (CAS NO.129-09-9) is used for cotton, silk fight color and printing,also used in viscose, polyester/cotton and Victoria/Cotton Dyeing.
With 2,6-diamino-anthraquinone,ω-trichloro toluene,sulfur as raw materials and cuprous chloride as a catalyst in the melt,refined naphthalene condensation product. Derived after acid treatment, oxidation, filtration, crushing, drying.
1. | eye-rbt 500 mg/24H MLD | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1331. |
Reported in EPA TSCA Inventory.
An eye irritant. When heated to decomposition it emits toxic vapors of NOx and SOx.