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17480

Sigma-Aldrich

Bromocresol Green sodium salt

for microscopy (Bot., Hist., Vit.), indicator (pH 3.8-5.4), ACS reagent

Synonym(s):

3′,3″,5′,5″-Tetrabromo-m-cresolsulfonphthalein sodium salt

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About This Item

Empirical Formula (Hill Notation):
C21H13Br4NaO5S
CAS Number:
62625-32-5
Molecular Weight:
720.00
EC Number:
263-657-4
MDL number:
MFCD00148898
UNSPSC Code:
41116124
PubChem Substance ID:
57647608
NACRES:
NA.25

grade

ACS reagent
for microscopy (Bot., Hist., Vit.)
indicator (pH 3.8-5.4)

Quality Level

200

mp

230 °C (dec.) (lit.)

SMILES string

[Na+].Cc1c(Br)c(O)c(Br)cc1\C(=C2\C=C(Br)C(=O)C(Br)=C2C)c3ccccc3S([O-])(=O)=O

InChI

1S/C21H14Br4O5S.Na/c1-9-12(7-14(22)19(26)17(9)24)21(13-8-15(23)20(27)18(25)10(13)2)11-5-3-4-6-16(11)31(28,29)30-21;/h3-8,26-27H,1-2H3;/q;+1/p-1

InChI key

HEFSGAHJDGZCHA-UHFFFAOYSA-M

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Application

Bromocresol green has been used to study the removeal of non-ionic organic pollutants from water via liquid-liquid extraction. Bromocresol green has also been used in a study to examine growth inhibition pattern and lactic acid production in Streptococcus mutans.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Swati Misra et al.
Anaerobe, 18(3), 273-279 (2012-03-24)
Twenty clinical isolates of Streptococcus sp. were isolated from six clinical samples of dental caries on MSFA. Amongst these isolates, five clinical isolates were identified as S treptococcus mutans on the basis of morphological, biochemical and 16S rDNA sequencing. The
Hua Zhu et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 36(23), 3262-3264 (2012-03-08)
To find out the relativity among starch quantity, polysaccharides content and total alkaloid content of Dendrobium loddigesii. Microscopy-counting process was applied to starch quantity statistics, sulfuric acid-anthrone colorimetry was used to assay polysaccharides content and bromocresol green colorimetry was used
Juan C López-Montilla et al.
Water research, 39(9), 1907-1913 (2005-05-19)
The removal of model pollutants bromocresol green (BG) and phenol from water is demonstrated via two liquid-liquid extraction methods. Both methods exploit selective interactions established by the pollutant molecule with a surfactant, oil, or alcohol, and are variants of the

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