METHYL RED ACS GRADE manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai, Sharjah, UAE, Gulf, Middle East, Muscat Oman, Kenya Africa. Get the best quality of METHYL RED ACS GRADE at a competitive price from us. We have ready stock of METHYL RED ACS GRADE in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.
SURAT CHEMICAL TAG:
METHYL RED ACS GRADE excellent quality manufacturer, exporter and supplier.
| Physical State | Solid |
| Appearance | dark red to purple |
| Odor | none reported |
| pH | Not available |
| Vapor Pressure | Negliglble |
| Vapor Density | Not available |
| Evaporation Rate | Negligible |
| Viscosity | Not available |
| Boiling Point | Not available |
| Freezing/Melting Point | 179-182 deg C |
| Decomposition Temperature | Not available |
| Solubility | Insoluble in water |
| Specific Gravity/Density | Not available |
| Molecular Formula | C15H15N3O2 |
| Molecular Weight | 269.30 |
| Products | : | Methyl Red ACS Reag Ph. Eur , pH indicator |
| C.I. No. | : | 13020 |
| C15H 15N3O2 | : | M.W. 269.30 |
| Absorption maxima | : | |
| 1 (pH 4.5) | : | 523-526 nm |
| 2 (pH 6.2) | : | 427-437nm |
| Clarity of alcohol solution | : | passes test |
| : | ||
| Absorptivity (on dried sub.) | : | |
| (A 1 % 1cm at 1max pH 4.5) | : | 1330 -1430 |
| (A1 %1cm at 2max ph 6.2) | : | 700 - 800 |
| Visual transition | : | From pH 4.2 pink |
| interval | : | to pH 5.5 orange |
| : | to pH 6.2 yellow | |
| Melting point | : | 179 -182 oC |
| Loss on drying (at 1100C) | : | Max. 5.0% |
| : |
| C.A.S. No. | 493-52-7 |
| CI NO. | 13020 |
| M.F. | C15H15N3O2 |
| M.W. | 269.31gm/mole |
Specifications:
|
Thymolphthalein RXSOL-60-6605-733 is a phthalein dye used as an acid–base (pH) indicator. Its transition range is around pH 9.3–10.5. Below this pH, it is colorless; above, it is blue.
OTHER PH INDICATOR:
Methyl red is a pH indicator;
it is red in pH under 4.4, yellow in pH over 6.2
4.4 ⇌ 6.2
Bromothymol blue RXSOL-60-6295-125 also known as bromothymol sulfone phthalein and BTB
it is yellow in pH under 6, Blue in pH over 7.6
6 ⇌ 7.6
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