Bromocresol green pH indicator GRG
3,3, 5,5 -Tetrabromo-m-cresolsulfonphthalein
| Code | Pack Size | Price | |
|---|---|---|---|
| 493P1 | 1g | £6.99 | Add to Cart |
Product Info
CAS-Number: 76-60-8
In Stock: Yes
Hazchem: No
Documents
CAS-Number: 76-60-8
In Stock: Yes
Hazchem: No
Documents
Bromocresol green pH indicator
- Synonyms: 3,3',5,5'-Tetrabromo-m-cresolsulfonphthalein; 4,4'-(3H-2, 1-Benzoxathiol-3-ylidene) bis [2,6-dibromo-3 methylphenol]S,S-dioxide; BCG, vertdebromocresol, Mycobacterium bovis
- CAS No.: 76–60–8
- Molecular Weight: 698.02
- Chemical Formula: C21H14O5Br4S
- Appearance: Light coloured powder.
- Odour: Odorless or faint medicinal odour.
- Solubility: Slightly soluble in water.
- Density: 0.79g/mL at 20 C
- Melting Point: 225C
Acid-base Indicator – bromocresol green

- Also known as: 3',3,5',5-tetrabromo-m-cresol-sulfonephthalein
- Type: HIn + H2O = In- + H3O+
- pK: 4.90
- Approximate pH range for color change: 3.8–5.4
- Color of acid form: yellow
- Color of base form: blue
