Methyl Orange 25Grm
indicator ACS,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 101322.0025
Stock: In Stock
Description
| Catalogue Number | 101322 |
| Synonyms | 4-Dimethylaminoazobenzene-4'-sulfonic acid sodium salt, Gold orange, Helianthine, Orange III |
Product Information
| CAS number | 547-58-0 |
| EC number | 208-925-3 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | C₁₄H₁₄N₃NaO₃S |
| Molar Mass | 327.34 g/mol |
| HS Code | 2927 00 00 |
Physicochemical Information
| Melting Point | >300 °C |
| pH value | 6.5 (5 g/l, H₂O, 20 °C) |
| Bulk density | 200 - 400 kg/m3 |
| Solubility | 5 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 60 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Transition range | pH 3.1 - pH 4.4 pink - orange yellow |
| Appearance of solution | passes test |
| Loss on drying (110 °C) | ≤ 5 |
| Transition range (according to ACS) | passes test |
| Sensitivity test | passes test |
