dye|World dye variety

Name:C.I.Direct Black 51,C.I.27720

Molecular Structure: Double azo class

C.I.Direct Black 51,C.I.27720,CAS 34977-63-4,601.5,C27H17N5Na2O7S,Sirius Black L-V,Direct Fast Black,Direct Light Black L,Direct Fast Black N-L

Molecular Formula:C₂₇H₁₇N₅Na₂O₇S

Molecular Weight: 601.5

CAS Registry Number:34977-63-4 Read the rest of this entry »

Name:C.I.Direct Black 49,C.I.34155

Molecular Structure: trisazo class

C.I.Direct Black 49,C.I.34155,CAS 6473-15-0,873.71,C37H22N7Na3O11S2

Molecular Formula:C₃₇H₂₂N₇Na₃O₁₁S₂

Molecular Weight: 873.71

CAS Registry Number:6473-15-0 Read the rest of this entry »

Name:C.I.Direct Black 48,C.I.34000

Molecular Structure: trisazo class

C.I.Direct Black 48,C.I.34000,CAS 6771-92-2,720.62,C33H22N8Na2O7S,Direct Fast Grey MG

Molecular Formula:C₃₃H₂₂N₈Na₂O₇S

Molecular Weight: 720.62

CAS Registry Number:6771-92-2 Read the rest of this entry »

Name:C.I.Direct Black 41,C.I.30260

Molecular Structure: trisazo class

C.I.Direct Black 41,C.I.30260,CAS 6486-53-9,981.92,C40H34N9Na3O11S3

Molecular Formula:C₄₀H₃₄N₉Na₃O₁₁S₃

Molecular Weight: 981.92

CAS Registry Number:6486-53-9 Read the rest of this entry »

Name:C.I.Direct Black 40,C.I.31760

Molecular Structure: trisazo class

C.I.Direct Black 40,C.I.31760,CAS 6449-81-6,766.69,C39H24N6Na2O7S,Benzo Grey S

Molecular Formula:C₃₉H₂₄N₆Na₂O₇S

Molecular Weight: 766.69

CAS Registry Number:6449-81-6 Read the rest of this entry »