Home »Speciality Dyes and Biological Stains » Basic Blue 9
What is Basic Blue 9
Basic Blue 9, sometimes referred to as methylene blue, is a type of dye that sees widespread application in the dying of fabrics. Basic Blue 9 is a hue that can be found in colored paper.
Macsen Laboratories is the leading manufacturer & supplier of Basic Blue 9 with ISO certification.
| PRODUCT SPECIFICATIONS | |
|---|---|
| Name of Product | Basic Blue 9 |
| IUPAC Name | [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride |
| Synonyms | Methylene Blue Zinc Free; Methylthioninium Chloride ; Basic Blue 9 ; C.I 52015 ; Methylene Blue Trihydrate; Methylene Blue 2B; Basic Lake Blue BB; Basic Blue BOC; Basic Blue 4RF; Basic Blue BO; Methylene Violet |
| CAS No | 122965-43-9 |
| Molecular Formula | C16H18ClN3S |
| Molecular Weight | 319.9 g/mol |
Chemical Properties
| SR. No | Criteria | Limit/Specification | Our Results |
|---|---|---|---|
| 1 | Appearance | Dark greenish, crystalline powder with a metallic lustre or a dull, dark green or brown powder, almost odourless, hygroscopic. | Dark greenish, crystalline powder with a metallic lustre . |
| 2 | IDENTIFICATION | Must Pass A to D tests | Passes Test |
| 3 | SOLUBILITY | Soluble in 40 parts of water, 110 parts of alcohol (95%) & in 450 parts of chloroform. | Complies |
| 4 | Loss On Drying (Dried to constant weigh at 105°C) | LIMIT: NLT 8.0% - NMT 15.0% of its weight. | 12.52 % |
| 5 | ARSENIC | LIMIT: NMT 8 PPM | 1.7 PPM |
| 6 | ZINC | Must Pass Test | Passes test |
| 7 | IRON | Must Pass Test | Passes Test. |
| 8 | LEAD | LIMIT: NMT 20 PPM | Passes Test |
| 9 | ASSAY (WITH REFERENCE TO SUBS. DRIED AT 105 ÌŠC & AS % OF (C16H18N3ClS) | NLT 96.0% & NMT the equivalent of 101.0% | 98.87 % |
Uses
- Basic Blue 9 is utilised in the production of coloured paper.
- It is also commonly used for coloring fabrics such as silk, wool, and linen.
- Other use include as a pigment for bamboo and wood colour, in the production of ink and colour lake pigments, and as a biological and bacteriological stain.
Resources
Biological Stains | Classification, Examples & Uses
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