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The Ultimate Chemistry of Color
Dye Intermediates
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BENZIDINE
2:2 DI-SULPHONIC ACID
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
BENZIDINE 2:2 DI-SULPHONIC ACID
344
C
12
H
12
N
2
S
2
O
6
2-2 BENZIDINE DI SULFONIC ACID
70% MIN.
META PHENYLENE DI AMINE SULPHONIC ACID (MPDSA)
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
META PHENYLENE DI AMINE SULPHONIC ACID (MPDSA)
188
C
6
H
6
H
2
O
3
METAL PHENYLENE DIAMINE SULPHONIC ACID
MIN. 70%
(M.W. 188)/
FREE ACID 98%
SULPHO TOBIAS ACID
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
SULPHO TOBIAS ACID
303
C
10
H
9
O
6
S
2
N
2 NAPHTHYLAMINE 1-5 DISULPHONIC ACID
60% MIN.
2R ACID
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
2R ACID
319
C
10
H
9
O
7
NS
2
2 NAPHTHYLAMINE 8-HYDROXY 3,6 DI-SULFONIC ACID
75% MIN.(M.W. 319)
META UREIDO ANILINE
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
META UREIDO ANILINE
151 AS BASE
C
7
H
9
N
3
O
3-AMINO PHENYL UREA
MIN. 65%
(M.W. 151)
PARA AMINO AZOBENZENE 4 SUL. ACID
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
PARA AMINO AZOBENZENE 4 SUL. ACID
277
C
12
H
11
N
3
O
3
S
PARA AMINO AZO BENZENE 4 SUL.ACID
90% MIN.
PARA AMINO AZOBENZENE 3-4 DI SUL. ACID
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
PARA AMINO AZOBENZENE 3-4 DI SUL. ACID
357
C
12
H
11
N
3
N
3
O
6
S
2
4 AMINO 1, 1, AZO BENZENE 3,4 SUL. ACID
80% MIN.
2 AMINO-4 SULFO BENZOIC ACID
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
2 AMINO-4 SULFO BENZOIC ACID
217
C
7
H
7
NO
5
S
2 AMINO-4 SULFO BENZOIC ACID
55% MIN. (M.W. 217)
4 NITR
O-2-AMINOPHENOL-6 SUL.ACID
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
4 NITRO-2-AMINOPHENOL-6 SUL.ACID
234
C
6
H
6
O
6
N
2
S,
4 NITRO-2-AMINOPHENOL-6 SUL.ACID
MIN. 85%
(M.W. 234)
6 NITRO-2-AMINOPHENOL-4-SUL.ACID
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
6 NITRO-2-AMINOPHENOL 4-SUL.ACID
277
C
6
H
6
O
6
N
2
S
6 NITRO-2-AMINOPHENOL-
4-SUL.ACID
70% MIN. (M.W. 234)
ORTHO PHENOL 4 SULPHONIC ACID
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
ORTHO PHENOL 4 SULPHONIC ACID
189
C
6
H
7
N
2
O
4
SN
ORTHO PHENOL 4 SULPHONIC ACID
80% MIN.(M.W.189)
DI AMINO STILBENE DI SULPHONIC ACID(D.A.S.D.A)
NAME
OF THE
PRODUCT
MOLE-
CULAR
WT.
EMPIRICAL
FORMULA
STRUCTURAL
FORMULA
SYNONYMS
STRENGTH
DI AMINO STILBENE DI
SULPHONIC ACID(D.A.S.D.A)
370
C
14
H
14
O
6
N
2
S
2
4:4 DIAMINO STILBENE 2:2 DI SUL. ACID
97%
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Reactive Dyes
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