Is Bromothymol Blue hazardous?
May be harmful if absorbed through the skin. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed. Inhalation: May cause respiratory tract irritation.
How do you store Bromothymol blue?
Storage: Store in General Storage Area [Green Storage] with other items with no specific storage hazards. Store in a cool, dry, well-ventilated, locked store room away from incompatible materials. Use ventilation to keep airborne concentrations below exposure limits.
Is Bromothymol blue flammable?
General Information: Negligible fire and explosion hazard when exposed to heat or flame. Move container if possible; avoid breathing vapors or dust.
Is bromophenol blue toxic?
Special Remarks on other Toxic Effects on Humans:
Acute Potential Health Effects: Skin: May cause skin irritation with redness and pain. Eyes: May cause eye irritation with redness and pain. Inhalation: May cause respiratory tract irritation. Symptoms may include coughing and shortness of breath.
Is Bromothymol Blue a carcinogen?
as a carcinogen or potential carcinogen by OSHA. Signs & Symptoms of Exposure Skin Irritation.
What is Bromothymol blue used for?
Bromothymol blue (also known as bromothymol sulfone phthalein and BTB) is a pH indicator. It is mostly used in applications that require measuring substances that would have a relatively neutral pH (near 7). A common use is for measuring the presence of carbonic acid in a liquid.
How long is bromothymol blue good for?
pH indicator: 6.0 yellow to 7.6 blue. Avoid contact with strong oxidizers. Shelf life: Indefinite, if stored properly.
What is the pH of bromothymol blue?
6.0–7.6
| Indicator | Low pH color | Transition pH range |
|---|---|---|
| Bromothymol blue | yellow | 6.0–7.6 |
| Phenol red | yellow | 6.4–8.0 |
| Neutral red | red | 6.8–8.0 |
| Naphtholphthalein | colorless to reddish | 7.3–8.7 |
Can I pour Bromothymol blue down the drain?
Do not let product enter drains. Stable under recommended storage conditions. Heat, flames and sparks. IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC.
What is bromophenol blue used for?
Bromophenol Blue is a pH indicator, and a dye appearing as a strong blue color. It is often used as a tracking dye during agarose or polyacrylamide gel electrophoresis.
Is bromophenol blue soluble in water?
Bromophenol blue is an intermediate and is used as an acid-based indicator in the pH range of 3-4.6 where the color changes from yellow to blue. Freely soluble in NaOH. More soluble in methyl and ethyl alcohols ,benzene, and in acetic acid. Slightly soluble in water (0.4g/100g) at 20°C.
What is the difference between bromophenol blue and bromothymol blue?
These indicators are normally used over a fairly short range of pH values (indicated in the table above). As a pH indicator, bromothymol blue, for example, would be useful between from about pH 6.0 to pH 7.6.
…
| Indicator | Bromophenol blue |
|---|---|
| Low pH color | yellow |
| Transition pH range | 3.0–4.6 |
| High pH color | purple |
What is the pH range of bromothymol blue?
Biological description
pH indicator for weak acids and bases (pH range from 6.0 (yellow) to 7.6 (blue)).
What is bromothymol blue used for?
How do you neutralize bromothymol blue?
Bromothymol blue can be neutralized with a strong oxidizing solution, such as chromic acid, Fenton’s reagent or piranha solution, followed by neutralization and then poured down the drain after all the bromothymol blue has been neutralized.
Is bromothymol blue soluble in water?
Bromothymol blue is sparingly soluble in oil, but soluble in water, ether, and aqueous solutions of alkalis.
What is the difference between bromophenol blue and Bromothymol blue?
What is the pH range of bromophenol blue?
between pH 3.0 and 4.6
As an acid–base indicator, its useful range lies between pH 3.0 and 4.6. It changes from yellow at pH 3.0 to blue at pH 4.6; this reaction is reversible. Bromophenol blue is structurally related to phenolphthalein (a popular indicator).
What is the pH of bromophenol blue?
Bromophenol Blue is a pH indicator dye that turns yellow under acidic conditions. Bromophenol Blue has a pI below pH 4.0. The concentrated dye solution may have a reddish or greenish cast to the color.
Does bromothymol blue dissolve in water?