Molekula
Naphthol Green B
Naphthol Green B is a synthetic organic pigment used in dyeing, printing, and laboratory applications requiring stable green coloration. It is a sodium salt of a complex iron-containing azo compound. Available with CAS number 19381-50-1, molecular formula C30H15FeN3Na3O15S3, and molecular weight 878.46 g/mol. Stored at ambient temperature. No signal word required. Molekula supplies Naphthol Green B from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Naphthol Green B is a synthetic organic pigment used in dyeing, printing, and laboratory applications requiring stable green coloration. It is a sodium salt of a complex iron-containing azo compound. Available with CAS number 19381-50-1, molecular formula C30H15FeN3Na3O15S3, and molecular weight 878.46 g/mol. Stored at ambient temperature. No signal word required. Molekula supplies Naphthol Green B from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Dark green powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 19381-50-1 |
| Molecular Formula | C30H15FeN3Na3O15S3 |
| Molecular Weight | 878.46 |
| SMILES | [Na+].O=S(=O)([O-])C=1C=CC2=C(C=CC3=O[Fe+3]45(O=C6C=CC=7C=C(C=CC7C6=[N]4[O-])S(=O)(=O)[O-])(O=C8C=CC=9C=C(C=CC9C8=[N]5[O-])S(=O)(=O)[O-])[N]([O-])=C32)C1 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
FAQ being prepared for this product. Contact our team for help.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.