Dyes Intermediates

1. META NITRO PARA TOLUIDINE (MNPT)

Chemical Name: 

CAS No:

Chemical Formula:

Value Chain:

End Users:

Appearance:

Purity:

Synonyms:

4-Methyl-3-nitroaniline.

119-32-4

C7H8N2O2

Nitro Toluene.

Pigments.

Yellow solid.

99%.

3-Nitro-p-toluidine; 4-Amino-2-nitrotoluene; 3-Nitro-4-methylaniline; M-Nitro-p-toluidine

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2. B. D. S. A. (BENZEDINE DI SULPHONIC ACID)

Synonyms:

Molecular Weight:

CAS No.:

Empirical Formula:

Physical Appearance:

Purity (Nitrite Value):

Purity By Hplc:

Insolubles In Dilute Alkali:

Solubility:

Capacity Per Annum (In Mts):

4:4 Diamino 2, 2 Biphenyl

DI  Sulphonic Acid.

117-61-3

C12h12n2o6s2

Light Yellow Material.

75.0% Minimum (M.W. 344)

98% Minimum.

< 0.20%

Soluble In Alkaline Solution.

600.

 
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3. ANILINE 2:5 DISULFONIC ACID​

Chemical Name:

Synonyms:

 

Molecular Weight (as free acid):

Molecular Weight(Sodium Salt):

Chemical Formula:

Description:

Solubility:

Insolubles:

Packing:

 

Hazard:

Aniline 2.5 Disulphonic Acid.

-2-amino 1.4-benzenedisulphonic acid,

-2.5 disulfoaniline4 Sulphometanilic acid

253 gm/mol.

275.5 gm/mol.

C6H7N S2O6

Moist white powder

Almost transparency in hot water.

0.15% minimum

– Standard packaging size ranges from 20-50kgs depending on customer specifications jumbo bags range from 350-700kgs.

-H315:Causes skin irritation
-H319:Causes serious eye irritation

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