Dye intermediates

 

Name

CAS .

Structure

Purity

Remarks

1,3,3-trimethyl-2-methylene-5-indolinecarboxylic acid methyl ester 6872-10-2

Purity>99%

(GC)

 

2-(4-Aminophenyl)-6-methyl benzothiazole

-7-sulfonic acid

130-17-6

 

Amino Value>90%

 

o-Phenylphenyl bisphenyl phosphate

132-29-6

 

Purity>95%

(HPLC)

 

6H-dibenz[c,e][1,2]oxaphosphorin 6-oxide

35948-25-5

 

Purity>98%

(GC)

 

2-Methylene-1,3,3-Trimethyl Indoline

118-12-7

 

Purity99%

(GC)

 

2- Methyl Indole

95-20-5

 

Purity99%

(GC)

 

2- Methyl Indoline

6872-06-6

 

Purity99%

(GC)

 

12-Dimethyl Indole

875-79-6

 

Purity99%

(GC)

 

1-Butyl-2-Methyl Indole

42951-35-9

 

Purity98%

(GC)

 

23- Dimethyl Indole

91-55-4

 

Purity99%

(GC)

 

2- Methyl Indole -3-Formaldehyde

5416-80-8

 

Purity99%
(HPLC)

 

2-Phenyl Indole

948-65-2

 

Purity99%

(HPLC)

 

1- Methyl -2- Phenyl Indole

3558-24-5

 

Purity99%

(HPLC)

 

1-Ethyl-2- Phenyl Indole

13228-39-2

 

Purity96%
(HPLC)

 

Fischer’s Aldehyde

84-83-3

 

Purity98%

(GC)

 

233-Trimethyl Indole

1640-39-7

 

Purity99%

(GC)

 

112- Trimethyl –1H-benzo [e] Indole

41532-84-7

 

Purity99%
(HPLC)

 

5-Chloro-2-Methylene-133-Trimethyl Indoline

6872-17-9

 

Purity98%
(GC)

 

5- Chloro -233- Trimethyl Indole

25981-83-3

 

Purity98%

(GC)

 

2,5-diaminobenzenesulphonic acid

88-45-9

 

Purity:≥98%
(HPLC)

 

2,5-Bis(1,3-Dioxobutyl)Amino)                   -Benzenesulfonic monosodium salt

70185-92-1

 

Purity:≥96%
(HPLC)