Methyl Orange
CAS No.547-58-0CAS index
Acid-base indicator for titration of strong acids with weak bases. Available in 4 grades and pack options – see the table below.
PriceOn requestPrices vary by brand, grade, pack size & quantity.
- Genuine product via authorised channel
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Ordering information
Specifications
| CAS number | 547-58-0 |
|---|---|
| Synonyms | 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III |
| Molecular formula | C14H14N3NaO3S |
| Molecular weight | 327.33 g/mol |
| HSN code | 38229090 |
| Category | Indicators, Stains & Dyes |
| pH range | 3.1–4.4 |
Specifications are indicative. Exact assay, pack and catalogue details depend on the batch supplied – CoA / MSDS available on request.