INTERMEDIATES

SPECIFICATIONS

Use

PRODUCT

C.I.NO.

APPEARANCE

PURITY

WATER CONTENT

1-PHENYL-3-METHYL-5-PYRAZOLONE

89-25-8

Meat white crystalline

≥99%

≤2%

Used in the manufacture
C.I. acidic yellow 11.12.25.76.117 of
The C.I. medium orange 3.35
The C.I. Media Red 94
C.I. Acid Orange 63
C.I direct orange 1.30.31
C.I direct yellow 17

1-(2'-CHLOROPHENYL)-3-METHYL-5-
PYRAZOLONE

14580-22-4

1-(2-CHLORO-5-SULFOPHENYL)-3-METHYL-5-
PYRAZOLONE

88-76-6

1-(2,5-DICHLORO-4-SULFOPHENYL)-3-METHYL-5-
PYRAZOLONE

84-57-1

1-(3'-SULFAMINEPHENYL)-3-METHYL-5-
PYRAZOLONE

89-29-2

1-(3'-CHLOROPHENYL)-3-METHYL-5-
PYRAZOLONE

90-31-3

1-(3'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE

119-17-5

1-(4'-CHLOROPHENYL)-3-METHYL-5-
PYRAZOLONE

13024-90-3

1-(4'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE

89-36-1

1-(4'-TOLYL)-3-METHYL-5-PYRAZOLONE

86-92-0

1-(4'-SULPHOPHENYL)-3-CARBOXY-5-PYRAZOLONE

118-47-8

1-ACETAMIDE-7-NAPHTHOL

6470-18-4

2-AMINO-4-SULFONYL AMIDE PHENOL

98-32-8

2-AMINO-4- NITRO-PHENOL

99-57-0

3-SULFONYL AMIDE ANILINE

80-21-7

DI J ACID

1987-3-6