2022 High quality Basic Rhodamine 6gdn - Offer Acid Nigrosine On Hot Sale –
2022 High quality Basic Rhodamine 6gdn - Offer Acid Nigrosine On Hot Sale – Detail:
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Color Shade
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Product Name
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Content
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Dyeing Depth
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Fastness Properties(Change of Shade) |
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Light |
Washing |
Hot Pressing 180℃ |
Perspiration |
Rubbing (Dry) |
Rubbing (Wet) |
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Acid Nigrosine |
100% |
4.0 |
5 |
4 |
4-5 |
4 |
3-4 |
2-3 |
Synonyms: C.I. Acid Black 2; Nigrosine; C.I. 50420; Nigrosin water soluble; nigrosin cell culture tested; Nigrosin Acid black; Acid Black 5 (50420); Nigrosin; Nigrosine Water Soluble
Property of Acid Nigrosine:
Appearance: black shining crystal.
Maximum wavelength(λmax): 570nm
Soluble in water is blue purple.Soluble in ethanol is blue.The dye is blue in concentrated sulfuric acid.It will be purple when diluted and precipitated.The precipitate is dark purple when sodium hydroxide is added in water solution.
Application:It is mainly used for leather dyeing (generally by chrome mordant). It is also suitable for dyeing paper, wood, soap, electrochemized aluminum and wool and silk fabrics and also can be used for ink making.
Specifications:
| Item | Description |
| Name | Acid Nigrosine |
| Color Index No. | C.I.Acid Black 2 |
| Chemical Family | Acid dyes |
| Apearance | Black crystal with lustre |
| Shade | similar to standard |
| Tinting strength | 100+/-3 |
| Moisture | 6% max. |
| Ash | 1.7% max. |
| Insoluble matter | 0.5% max. |
Storage:store in a cool and ventilated room.
Quality guarantee period: 36 months.
Packing: 25kgs iron drum/paper carton.
Product detail pictures:
Related Product Guide:
Our organization insists all along the quality policy of "product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as the consistent purpose of "reputation 1st, purchaser first" for 2022 High quality Basic Rhodamine 6gdn - Offer Acid Nigrosine On Hot Sale – , The product will supply to all over the world, such as: Georgia, Greece, Philippines, We warmly welcome your patronage and will serve our clients both at home and abroad with products of superior quality and excellent service geared to the trend of further development as always. We believe you will benefit from our professionalism soon.
By Ann from Greenland - 2018.09.21 11:44
We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
By Danny from Egypt - 2018.11.22 12:28
