 |
|
 |
| |
International Trade:
Tel: +86-519-85481997/81187592/85761005
Fax: +86-519-85484533/85761018
Domestic Trade:
Tel: +86-519-85481743/85772200/85761002
Fax: +86-519-85481030/85761058
Email: changyu@public.cz.js.cn
sales@changyuchem.com |
|
|
|
 |
| |
| 4-Amino-1-naphthalenesulfonic acid |
| Synonyms |
Sodium Naphthionate |
| Structural formula |
 |
| Molecular weight |
245.23 |
| Molecular Formula |
C10H8O3NSNa |
| Descriptions |
1-Amino-4-naphthalene sulfonic acid sodium salt is a greyish-white crystal.The sodium salt of industrial products contains two or four crystal water. It changes slowly into a rose colour in air.It is easily soluble in water and soluble in 95% of alcohol.Its chief use is employed in organic pigments or the sythesis of intermediates of azo-dyes. |
| Specification |
Index |
High grade |
1st grade |
| Appearance |
Grayish white crystal |
| Purity %min. |
75 |
74 |
| 1-Naphthylamine%max. |
0.02 |
0.02 |
| Water insolubles %max. |
0.1 |
0.2 |
|
| Packing |
extra grade Specification
In plastic woven bag of 50kgs nett or 25kgs nett each with plastic lining |
| Notes |
Put in dark,cold and air through place to prevent sun light. |
|
| |
| Order Back product list |
|
|
|
|
|
