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; |
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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 |
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BOILING POINT |
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DENSITY |
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SOLUBILITY IN WATER |
Soluble |
SOLVENT SOLUBILITY |
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VAPOR DENSITY |
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log P(octanol-water) |
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VAPOR PRESSURE |
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AUTOIGNITION TEMP |
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pK |
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REFRACTIVE INDEX |
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FLASH POINT |
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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 |
SALES SPECIFICATION |
APPEARANCE |
dark red to brownish powder |
SOLUBILITY |
clear (0.1% in water) |
VISUAL TRANSITION INTERVAL |
pH 6.0 (yellow) ~ 7.6 (blue)
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WATER |
1.0% max
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TRANSPORT & REGULATORY INFORMATION |
UN NO. |
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HAZARD CLASS |
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PACKING GROUP |
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SAFETY INFORMATION |
HAZARD OVERVIEW
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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 |
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RISK PHRASES |
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SAFETY PHRASES |
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PACKING |
Preserve in light-resistant and well-closed containers |
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