MilliporeSigma
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1.03026

Supelco

Bromothymol blue

indicator ACS,Reag. Ph Eur

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Synonym(s):
Bromothymol blue, 3′,3′′-Dibromothymolsulfonphthalein, BTB
Empirical Formula (Hill Notation):
C27H28Br2O5S
CAS Number:
Molecular Weight:
624.38
MDL number:
EC Index Number:
200-971-2

grade

ACS reagent

Quality Level

Agency

reag. Ph. Eur.

form

solid

loss

≤3% loss on drying, 110°C

visual transition interval

5.8-7.6, yellow to blue

bulk density

450 kg/m3

storage temp.

2-30°C

InChI

1S/C27H28Br2O5S/c1-13(2)17-11-20(15(5)23(28)25(17)30)27(19-9-7-8-10-22(19)35(32,33)34-27)21-12-18(14(3)4)26(31)24(29)16(21)6/h7-14,30-31H,1-6H3

InChI key

NUHCTOLBWMJMLX-UHFFFAOYSA-N

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1 of 4

This Item
114413114421B8630
Bromothymol blue indicator ACS,Reag. Ph Eur

Supelco

1.03026

Bromothymol blue

Bromothymol Blue ACS reagent, Dye content 95 %

Sigma-Aldrich

114413

Bromothymol Blue

form

solid

form

powder

form

crystalline powder, powder or crystals

form

powder

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

agency

reag. Ph. Eur.

agency

-

agency

-

agency

-

loss

≤3% loss on drying, 110°C

loss

-

loss

-

loss

-

visual transition interval

5.8-7.6, yellow to blue

visual transition interval

6.0-7.6, yellow to blue(passes test)

visual transition interval

6.0-7.6, yellow to blue

visual transition interval

6.0-7.6, yellow to blue

Analysis Note

Transition range: pH 5.8 - pH 7.6yellow - blue
Appearance of solution: passes test
Loss on drying (110 °C): ≤ 3
Transition range (according to ACS): passes test
Sensitivity test: passes test

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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