Methyl Red 493-52-7
- CAS No.: 493-52-7
- Type.: Chemical
- Appearance: Dark red crystalline powder
- Molecular Formula： C15H15N3O2
- Shelf Life： -
- Min Order Quantity: As requirements
Inquiry
Online ChatSpecification
| Items | Standard |
| Max absorption wavelength， λ1 (PH4.5), nm, λ2 (PH6.2), nm |
523~528 427~437 |
| Mass absorption coefficient, λ1 (PH4.5), L/(cm·g), λ2 (PH6.2), L/(cm·g) |
≥130 ≥70 |
| Ethanol dissolution test | Pass |
| Residue on ignition (SO42-) | ≤0.2 |
| Ph | 4.5（Red）~6.2（Yellow） |
| Loss on drying | ≤1.0 |
Application
(1) Methyl Red is used as indicator in 0.1% alcoholic solution; pH: 4.4 red, 6.2 yellow.
(2) Methyl Red also used for titrating NH3, weak organic bases, e.g, alkaloids;
(1) Methyl Red is used as indicator in 0.1% alcoholic solution; pH: 4.4 red, 6.2 yellow.
(2) Methyl Red also used for titrating NH3, weak organic bases, e.g, alkaloids;
-
Address:
No 999, Jiangyue Rd, Minhang Dist , 201114,Shanghai ,China
-
E-mail
[email protected]
Skype: richestgroup -
Tel
+86 13472638548
WhatsApp: +86 13472638548