phone 0161 351 9599
mail info@apcpure.com
Indigo Carmine ACS/USP C.I. 73015
Excl. VAT
Incl. VAT
£6.95 to £36.95
Code: Please choose option from drop down above
Revert
| Variation ID | Product Code | Pack Size | List Price | Qty | |
|---|---|---|---|---|---|
| RRBD84-T | 5g | £6.95 | |||
| RRBD84-U | 10g | £9.25 | |||
| RRBD84-W | 25g | £15.95 | |||
| RRBD84-2W | 50g | £19.95 | |||
| RRBD84-X | 100g | £36.95 |
Revert
Indigo Carmine is a dark blue to purple powder. The primary use is as a pH indicator. It is blue at pH 11.4 and yellow at 13.0. Indigo carmine is also a redox indicator, turning yellow upon reduction.
C.I.73015
Minimum Assay: >80%
Molecular Formula C16H8N2Na2O8S2
Molecular Weight 466.36 g/mol
Loss on drying: 5.0% maximum
Visual Transition Interval: From pH 11.5 (Blue) To pH 14.0 (yellow)
Aqueous solubility: 1 g in 100 ml at 25 Deg. C
Subsidiary dyes, excluding disodium
3,3-dioxo 2,2’-bi-indolylidine-5,7’-disulfonate: 1.00% maximum
Dye intermediates: < 0.50%
Lead: <0.001%
Sulphur: 13.0 – 14.0%
Cas Number: 860-22-0
Einecs Number: 212-728-8
HS Code / Commodity Code: 32129000
Hazard Phrases: H302
