Basic information Safety Supplier Related
ChemicalBook >  Product Catalog >  Biochemical Engineering >  Biochemical Reagents >  Biological Dyes >  BTB

BTB

Basic information Safety Supplier Related

BTB Basic information

Product Name:
BTB
Synonyms:
  • 3',3''-Dibromothymolsulphonephthalein, sodium salt
  • Bromothymol Blue, water soluble p.a.
  • Bromothymol Blue sodium salt, 0.04% w/v aq. soln.
  • Bromothymol Blue, powder, sodium salt
  • Bromothymol Blue, Reagent
  • Bromothymol
  • Sodium 2-[(Z)-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-(3-bromo-2-methyl-4-oxo-5-propan-2-yl-1-cyclohexa-2,5-dienylidene)methyl]benzenesulfonate
  • Sodium alpha-(3-bromo-5-isopropyl-4-oxo-2-methyl-2,5-cyclohexadienylidene)-2-(3-bromo-4-hydroxy-5-isopropyl-2-methylphenyl)toluenesulfonate
CAS:
34722-90-2
MF:
C27H27Br2NaO5S
MW:
646.36
EINECS:
252-169-7
Product Categories:
  • marker
  • B
  • Stains and Dyes
  • Stains&Dyes, A to
  • Analytical Chemistry
  • Indicator (pH)
  • pH Indicators
  • AR
  • Sulfonephthalein
  • Organics
Mol File:
34722-90-2.mol
More
Less

BTB Chemical Properties

Melting point:
200-202°C
Density 
0.990
storage temp. 
Store at RT.
solubility 
Solubility Soluble in water, ethanol
pka
7.0, 7.1(at 25℃)
form 
Powder
color 
Orange-brown to dark green
Odor
Characteristic odour
PH Range
Yellow (6.0) to blue (7.6)
Water Solubility 
SOLUBLE
λmax
615nm, 392nm
BRN 
6887926
Stability:
Stable. Incompatible with strong oxidizing agents.
Major Application
Lithium battery, textiles, antagonists
CAS DataBase Reference
34722-90-2(CAS DataBase Reference)
EPA Substance Registry System
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, monosodium salt (34722-90-2)
More
Less

Safety Information

Hazard Codes 
Xn
Risk Statements 
20/21/22-36/37/38
Safety Statements 
24/25-36-26
WGK Germany 
3
TSCA 
Yes
HS Code 
29349990

MSDS

  • Language:English Provider:BTB
  • Language:English Provider:SigmaAldrich
  • Language:English Provider:ACROS
  • Language:English Provider:ALFA
More
Less

BTB Usage And Synthesis

Chemical Properties

Dark greenish gold crystalline powder

BTBSupplier

J & K SCIENTIFIC LTD.
Tel
010-82848833- ;010-82848833-
Email
jkinfo@jkchemical.com;market6@jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
21-61259100-
Email
sh@meryer.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel
821-50328103-801
Email
3bsc@sina.com
Alfa Aesar
Tel
400-610-6006; 021-67582000
Email
saleschina@alfa-asia.com
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386 / 800-988-0390
Email
Sales-CN@TCIchemicals.com