Pigment red 175 (Fast Red HFT )
Synonyms: C. I. Pigment Red 175
C. I. 12513
2-[[3-[[(2, 3-Dihydro-2-oxo-1H-benzimidazol-5-yl)amino]-carbonyl]
-2-hydroxy-1-naphthaleny]-azo]-benzoic acid methyl ester

Foreign relative brand:
Novoperm Red HFT (CLAR)
Permanent Red HFT[W] (HOE)
PV Fast Red HFT (CLAR)

1. Product Name
Trade Name: Permanent Red HFT
C. I. Number: Pigment Red 175
CAS Number: 6985-92-8
EU Number: 230-249-2
Chemical Family: Mono azo

2. Physical, Chemical and Fastness Properties
Molecular Weight: 481.46
Molecular Formula: C26H22N4O4
P. H. Value: 7.0
Density: 1.5
Oil Absorption (ml/100g)%: 45
Light Fastness: 8
Heat Resistance: 310º C
Water Resistance: 5
Oil Resistance: 5
Acid Resistance: 5
Alkali Resistance: 5

3. Application:
Shade: Red- Bluish Red
Main Application: Universal

Pigment red 176 (Fast Red HF3C)
Synonyms: C. I. Pigment Red 176;
C. I. 12515
N-(2, 3-dihydro-2-oxo-1h-benzimidazol-5-yl)-3-hydroxy-4-[[2
-methoxy-5-[(phenylamino)
Carbonyl]phenyl]azo]-2-naphthalenecarboxamide

Foreign relative brand:
Novoperm Carmine HF3C (CLAR)
Permanent Carmine HF3C[W](HOE)
Tabersperse Red 176 (TAB)
Flexonyl Carmine HF3C-LA (CLAR)
Graphtol Carmine HF3C (CLAR)

1. Product Name
Trade Name: Permanent Carmine HF3C
C. I. Number: Pigment Red 176
CAS Number: 12225-06-8
EU Number: 235-425-2
Chemical Family: Benzimdazolone

2. Physical, Chemical and Fastness Properties
Molecular Weight: 572.57
Molecular Formula: C32H24N6O5
P. H. Value: 7.0
Density: 1.5
Oil Absorption (ml/100g)%: 40
Light Fastness: 7-8
Heat Resistance: 250º C
Water Resistance: 5
Oil Resistance: 5
Acid Resistance: 5
Alkali Resistance: 5
Toluene: 4-5

3. Application:
Shade: Bluish red
Main Application: Universal