840104 Sigma-Aldrich1,5-Naphthalenedisulfonic acid
1,5-Naphthalenedisulfonic acid for synthesis. CAS 81-04-9, pH 2.4 (1 g/l, H₂O, 20 °C).
More>> 1,5-Naphthalenedisulfonic acid for synthesis. CAS 81-04-9, pH 2.4 (1 g/l, H₂O, 20 °C). Less<<1,5-Naphthalenedisulfonic acid MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
Synonyms: Armstrong acid
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Overview
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Key Spec Table
| CAS # | EC Number | Hill Formula | Molar Mass |
|---|---|---|---|
| 81-04-9 | 201-317-9 | C₁₀H₈O₆S₂ | 288.3 g/mol |
Pricing & Availability
| Catalogue Number | Availability | Packaging | Qty/Pack | Price | Quantity | |
|---|---|---|---|---|---|---|
| 8401040025 |
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Glass bottle | 25 g |
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| 8401040250 |
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Glass bottle | 250 g |
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| 8401049999 |
|
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| Description | |
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| Catalogue Number | 840104 |
| Synonyms | Armstrong acid |
| References |
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| Product Information | |
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| CAS number | 81-04-9 |
| EC number | 201-317-9 |
| Hill Formula | C₁₀H₈O₆S₂ |
| Molar Mass | 288.3 g/mol |
| HS Code | 2904 10 00 |
| Structure formula Image | |
| Quality Level | MQ200 |
| Applications | |
|---|---|
| Application | 1,5-Naphthalenedisulfonic acid for synthesis. CAS 81-04-9, pH 2.4 (1 g/l, H₂O, 20 °C). |
| Biological Information |
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| Physicochemical Information | |
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| Melting Point | 110 °C decomposes |
| pH value | 2.4 (1 g/l, H₂O, 20 °C) |
| Vapor pressure | 51 hPa (50 °C) |
| Bulk density | 900 kg/m3 |
| Solubility | 1030 g/l |
| Dimensions |
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| Materials Information |
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| Toxicological Information | |
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| LD 50 oral | LD50 Rat 2420 mg/kg |
| Safety Information | |
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| Categories of danger | corrosive |
| Product Usage Statements |
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| Storage and Shipping Information | |
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| Storage | Store below +30°C. |
| Packaging Information |
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| Supplemental Information |
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| Specifications | |
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| Assay (HPLC, area%) | ≥ 97.0 % (a/a) |
| Water (K. F.) | 20.0 - 25.0 % |
| Identity (IR) | passes test |
| Global Trade Item Number | |
|---|---|
| Catalogue Number | GTIN |
| 8401040025 | 04022536580715 |
| 8401040250 | 04022536865140 |
| 8401049999 | 04027269006099 |
Documentation
1,5-Naphthalenedisulfonic acid SDS
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1,5-Naphthalenedisulfonic acid Certificates of Analysis
| Product Number | Packaging | Specification | Lot Number |
|---|---|---|---|
| 8401040025 | Glass bottle | PDF Specification Document | |
| 8401040250 | Glass bottle | PDF Specification Document | |
| 8401049999 | PDF Specification Document |