Dyes Intermediates

Bulk Production

PNCBOSA

CAS # 946-30-5, 96-73-1

PNAOSA Sodium Salt

CAS # 30693-53-9

PNAOSA Ammonium Salt

CAS # 4346-51-4

PPDSA

CAS # 88-45-9

4ADPSA

CAS # 91-30-5

4NADPSA

CAS # 91-29-2

Nitro EDA

CAS # 859916-35-1

Brown Base for HEGN
(Chloranil Condensed)

CAS # 75925-07-2

Blue HEGN Base

CAS # 60316-87-2

P-Amino Acetanilide (PAA)

CAS # 122-80-5

ONCBPSA

CAS # 17691-19-9, 212-18-6

2NADPSA

CAS # 135-11-5

Sulfanilic Acid

CAS # 121-57-3

AN2.4DSA

CAS # 137-51-9

PAABSA

CAS # 104-23-4

Metanilic Acid

CAS # 121-47-1

AN2.5DSA

CAS # 98-44-2

Fast Yellow PG Base (MAMAS)

CAS # 138-28-3, 6300-07-8

PA2SA

CAS # 6470-17-3

OTSA

CAS # 98-33-9

OTSA Sodium Salt

CAS # 63450-43-1

8HQ

CAS # 148-24-3

SPMP

CAS # 119-17-5

PMP

CAS # 89-25-8

Compaign Base

PAA2SA

CAS # 6973-05-3

4CMA

CAS # 88-43-7

4,4-Diamino Diphenylamine Sulfate Hydrate

CAS # 53760-27-3

PPDDSA

CAS # 7139-89-1

Xylidine OAPSAMIDE

CAS # 71215-81-1

6-Chloro Metanilic Acid (6CMA)

CAS # 98-36-2

OAP4.6DSA

CAS #83763-34-2, 120-98-9

PAABSA Sodium Salt

CAS # 2491-71-6

OA4SA

CAS # 98-42-0

NOA4SA Sodium Salt

CAS # 59312-73-1, 6375-05-9

DAASA

CAS # 6409-55-8

PA2,5DSA

CAS # 83763-33-1, 27327-48-6

OT4SA

CAS # 618-03-1

DATSA

CAS # 98-25-9

Ortho Tolidine Disulfonic Acid

CAS # 83-83-0

PTDSA

CAS # 26585-57-9

MAA Base

CAS # 103-28-3

MAA Hcl

CAS # 621-35-2

PABA

CAS # 150-13-0

Armstrong’s Acid

CAS # 81-04-9

Ethyl Cyano Pyridone

CAS # 28141-13-1

2-Pyridone

CAS # 29097-12-9

DMC PYRIDONE

CAS # 27074-03-9

CNSACA

CAS # 79817-49-5

Contract Manufacturing

VIOLET ACID

CAS # 578-85-8

GAMMA ACID

CAS # 90-51-7

4 NAP

CAS # 99-57-0

FC ACID

CAS # 119-70-0

4-NAPSA

CAS # 96-93-5

4-CAPSA

CAS # 88-23-3

PAAB-3,4-DSA

CAS # 101-50-8

6-NAPSA

CAS # 96-93-5

6-Acetyl OAPSA

CAS # 40306-75-0

PA3SA

CAS # 13244-33-2

6-CAPSA

CAS # 5857-94-3

Bronner’s Acid

CAS # 93-00-0

Mix Cleve Acid,
(1,6-Cleve Acid & 1,7-Cleve Acid)

CAS # 119-79-9 (1,6-Cleve Acid)
CAS # 119-28-8 (1,7-Cleve Acid)

STA

CAS # 117-62-4

Supho J-Acid

CAS # 6535-70-2

NMJ

CAS # 22346-43-6

MPDDSA

CAS # 137-50-8

Amido G Acid

CAS # 86-65-7

MAP

CAS # 591-27-5

C Acid

CAS # 131-27-1

DNSDA

CAS # 128-42-7

4-SA Hydrazone

CAS # 77734-52-2

OAPSAMIDE

CAS # 98-32-8

Formazone Base

CAS # 77840-01-8