Molekula
2-Amino-1,5-naphthalenedisulfonic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2-Amino-1,5-naphthalenedisulfonic acid is an organic compound primarily used as a key intermediate in the synthesis of dyes, pigments, and fluorescent brighteners. It is also employed in analytical chemistry for complexation reactions. This chemical has a CAS number of 117-62-4, a molecular formula of C10H9NO6S2, and a molecular weight of 303.31 g/mol. It is stable at ambient storage conditions, with a signal word of Warning for safety classification. Molekula supplies 2-Amino-1,5-naphthalenedisulfonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Off white powder |
| Purity (HPLC) | ≥95.0% |
| Storage Temperature | +20 ℃ |
| Insoluble Matter | ≤0.1% |
| Isomers | ≤5.0% by HPLC |
| Amino content | ≥80.5% |
| Acid Value (mg KOH/g) | ≤16.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 89967579 |
| CAS Number | 117-62-4 |
| IUPAC Name | 2-aminonaphthalene-1,5-disulfonic acid |
| EC Number | 204-201-6 |
| Molecular Formula | C10H9NO6S2 |
| Molecular Weight | 303.31 |
| Exact Mass | 302.9871 |
| SMILES | C1=CC2=C(C=CC(=C2S(=O)(=O)O)N)C(=C1)S(=O)(=O)O |
| InChIKey | YAIKCRUPEVOINQ-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H9NO6S2/c11-8-5-4-6-7(10(8)19(15,16)17)2-1-3-9(6)18(12,13)14/h1-5H,11H2,(H,12,13,14)(H,15,16,17) |
| PubChem CID | 8338 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29214590 |
| Tariff Code | 2921450090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
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.
Synonyms
- 1,5-NAPHTHALENEDISULFONIC ACID, 2-AMINO-
- 2-Aminonaphthalene-1,5-disulphonic acid
- 2-Naphthylamine-1,5-disulfonic acid
- 6-AMINONAPHTHALENE-1,5-DISULFONIC ACID
- Kyselina 2-naftylamin-1,5-disulfonova
- Kyselina sulfo-tobiasova
- l,5-Naphthalenedisulfonic acid, 2-amino-
- SULFOTOBIAS ACID
- Tobias acid, 5-sulfo-
Frequently asked questions
What is 2-Amino-1,5-naphthalenedisulfonic acid commonly used for?
This compound is primarily used as a dye intermediate in the synthesis of azo dyes, particularly for textile, leather, and paper industries.
What is the chemical formula and molecular weight?
The formula is **C₁₀H₉NO₆S₂**, and the molecular weight is **303.31 g/mol**.
What safety classification does this product have?
The product is labeled with a **Signal Word: Warning**, indicating moderate hazard under standard handling conditions.
How should 2-Amino-1,5-naphthalenedisulfonic acid be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and incompatible substances.
Does Molekula offer this product in bulk quantities?
Yes, we supply this compound in bulk—minimum order quantities and packaging options vary, so please contact our sales team for details.
What documentation is provided with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.