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Home/Compounds/Dye & Pigment/Bromocresol green
C21H14Br4O5S
698 g/mol
Dye & Pigment

Bromocresol green

CAS76-60-8EC200-972-8
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
pH indicator dye

Bromocresol green is a sulfonphthalein dye that serves as a pH indicator. It transitions color within the pH range of 3.

pH indicator for the pH range 3.8-5.4Acid-base titration indicator

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

SimilarStructure SimilarSimilarity 0.74

Bromthymol blue

CAS76-59-5

pH indicator

ApplicationSame Use

Thymolphthalein

CAS125-20-2

pH indicator dye

ReferenceSame Category

C.I. Direct Blue 273

CAS76359-37-0

Direct dye for textiles

ReferenceSame Category

3-amino-5-[[[(2-carboxy-5-sulfonatophenyl)diazenyl]-phenylmethyl]diazenyl]-4-hydroxybenzenesulfonate;copper;hydron

CAS77840-01-8

Metal complex azo dye

ReferenceSame Category

Solvent Green 5

CAS79869-59-3

Fluorescent solvent dye

ReferenceSame Category

D&C yellow no. 11

CAS8003-22-3

Solvent dye for lacquers and plastics

Referencesame scaffold

Bromcresol purple

CAS115-40-2

pH indicator dye

Referencesame scaffold

DIDNTB

CAS145551-16-2

research compound

Customs Tariff Classification

The international HS code for Bromocresol green (CAS 76-60-8) is 2934.99.

HS code (international, 6-digit)

2934.99

EU CN code (8-digit)

2934 99 90

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-3-methylphenol

InChIKey

FRPHFZCDPYBUAU-UHFFFAOYSA-N

SMILES

CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br

Synonyms (43)
  • BCG [dye]
  • BROMCRESOL GREEN
  • BROMOCRESOL GREEN, ACS
  • Bromocresol Green Indicator
  • Bromocresol Green solution
  • Bromocresol Verde
  • Bromocresol blue
  • Bromocresol green
  • Bromocresol green (BCG)
  • GSP Chem Bromocresol Green
  • Green, Bromcresol
  • Green, Bromocresol
  • Verde de bromocresol
  • Vert de bromocresol

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