Cresol red sodium salt GRG
water soluble pH indicator
| Code | Pack Size | Price | |
|---|---|---|---|
| 448V1 | 5g | £9.59 | Add to Cart |
Product Info
CAS-Number: 62625-29-0
In Stock: Yes
Hazchem: No
Documents
CAS-Number: 62625-29-0
In Stock: Yes
Hazchem: No
Documents
Cresol red sodium Salt
- Other names: Sodium hydrogen 4 4'-(3H-2 1-benzoxathiol-3-ylidene)bis(2-methylphenolate) S S-dioxide, O-cresolsulphonephthalate,
- Formula: C21H17NaO5S
- CAS No: 62625–29–0
- EINECS No: 263–654–8
- Appearance: brown power
- Mol weight: 404.4 g mol?1
- Density: 1.40 g/cm3
- Solubility: soluble in water
- Melting Point: 250C decomposes
- Boiling Point: 561C
Acid-Base indicator – cresol red (in acid solution)

- Also known as: o-cresolsulfonephthalein
- Approximate pH range for color change: 0.0–1.0
- Color of acid form: red
- Color of base form: yellow
Acid-Base indicator – cresol red (in basic solution)

- Also known as: o-cresolsulfonephthalein
- Approximate pH range for color change: 7.0–8.8
- Color of acid form: yellow
- Color of base form: red
