SODIUM BROMOTHYMOL BLUE

Synonyms. Sodium bromothymol blue; Sodium alpha-(3-bromo-5-isopropyl-4-oxo-2-methyl-2,5- cyclohexadienylidene)-2-(3-bromo-4-hydroxy-5-isopropyl- 2-methylphenyl) toluenesulphonate; Bromothymol Blue sodium salt; 3,3',-Dibromothymolsulfonphthalein sodium salt; BTB; Phenol, 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-bromo-3-methyl-6-(1-methylethyl)phenol monosodium salt; 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-bromo-3-methyl-6-(1-methylethyl)phenol S,S-dioxide monosodium salt;

SODIUM BROMOTHYMOL BLUE

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PRODUCT IDENTIFICATION

CAS RN

34722-90-2

EINECS RN

252-169-7

FORMULA

C27H27Br2NaO5S

MOLE WEIGHT

646.36

H.S CODE

2914.70.4000

SMILES

S(=O)([O-])(=O)c1c(C(\c2c(C)c(Br)c(O)c(C(C)C)c2)=C2\C(=C(Br)C(C (=C 2)C (C)C)=O)C)cccc1.[Na+]

CLASSIFICATION

pH Indicator, Triarylmethane

EXTRA NOTES

A pH sensitive dye that has been used as an indicator in many laboratory reactions.
Visual Transition Interval: pH 6.0 (yellow) - 7.6 (blue)

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

dark red to brownish powder

MELTING POINT

 

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

Soluble

SOLVENT SOLUBILITY

 

VAPOR DENSITY

 

log P(octanol-water)

 

VAPOR PRESSURE

 

AUTOIGNITION TEMP

 
pK

 

REFRACTIVE INDEX

 

FLASH POINT

 

 

STABILITY AND REACTIVITY
STABILITY Stable under normal conditions.

INCOMPATIBLE MATERIALS

Strong oxidizing agents

POLYMERIZATION

Has not been reported

NFPA RATINGS

Health: 1, Flammability: 0, Reactivity: 0

 

EXTERNAL LINKS & GENERAL DESCRIPTION

USA.gov - Sodium bromothymol blue

Wikipedia Linking -Bromothymol blue

Google Scholar Search - Sodium bromothymol blue

U.S. National Library of Medicine - Sodium bromothymol blue

PubChem Compound Summary - Sodium bromothymol blue

NCBI (http://www.ncbi.nlm.nih.gov/) -  Sodium bromothymol blue

Material Safety Data Sheet - Sodium bromothymol blue

EPA - Substance Registry Services - Sodium bromothymol blue

 

SALES SPECIFICATION

APPEARANCE

dark red to brownish powder

SOLUBILITY

clear (0.1% in water)

VISUAL TRANSITION INTERVAL

pH 6.0 (yellow) ~ 7.6 (blue)

WATER

1.0% max

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

 

HAZARD CLASS

 

PACKING GROUP  

 

SAFETY INFORMATION

HAZARD OVERVIEW

GHS (Globally Harmonised System) Classification: Not a dangerous substance. Potential Health Effects: Eyes - May cause eye irritation. Skin - May be harmful if absorbed through skin May cause skin irritation. Inhalation - May be harmful if inhaled. May cause respiratory tract irritation. Ingestion - May be harmful if swallowed.

HAZARD CODES

 

RISK PHRASES

 

SAFETY PHRASES

 

 

PACKING

Preserve in light-resistant and well-closed containers

 

PRICE INFORMATION