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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 18464Generated: October 23, 2026

3,5-Dibromosalicylic acid

3,5-DIBROMO-2-HYDROXYBENZOIC ACID · RARECHEM AL BO 2002 · 3,5-Dibromosalicylic · LABOTEST-BB LT00455167 · 3,5-BroMosalicylic acid · 3,5-DIBROMOSALICYLIC ACID · Benzbromarone Impurity 15 · Salicylic acid, 3,5-dibromo-

https://huagongshe.com/en/chemical/18464

3,5-Dibromosalicylic acid molecular structure

Identifiers & Physical Properties

CAS No.3147-55-5
Molecular formulaC7H4Br2O3
Average molar mass295.91 g/mol
Monoisotopic mass293.85271819 g/mol
SMILESO=C(O)c1cc(Br)cc(Br)c1O
InChIKeyBFBZHSOXKROMBG-UHFFFAOYSA-N
PubChem CID18464
ChEMBLCHEMBL447448
EC No.221-570-9
DTXSIDDTXSID3062869

Chemical & Physical Properties

XLogP3
Topological polar surface area57.5
Hydrogen bond donors2
Hydrogen bond acceptors3
Rotatable bonds1
Heavy atoms12
Formal charge0
Complexity185
Melting point224-227 °C(lit.)
Boiling point341.3±42.0 °C(Predicted)
Density2.0591 (rough estimate)
Refractive index1.4947 (estimate)
Storage conditionsInert atmosphere,Room Temperature
Physical stateCrystalline Powder
pKa (acidity coefficient)1.96±0.14(Predicted)
ColorWhite to off-white
SolubilitySLIGHTLY SOLUBLE
Merck14,3028
BRN2210805
InChIInChI=1S/C7H4Br2O3/c8-3-1-4(7(11)12)6(10)5(9)2-3/h1-2,10H,(H,11,12)
InChIKeyBFBZHSOXKROMBG-UHFFFAOYSA-N
SMILESC(O)(=O)C1=CC(Br)=CC(Br)=C1O
CAS DataBase Reference3147-55-5(CAS DataBase Reference)
FDA UNIIT5JO5UA21H
NIST Chemistry Reference3,5-Dibromo-2-hydroxybenzoic acid(3147-55-5)
EPA Substance Registry SystemBenzoic acid, 3,5-dibromo-2-hydroxy- (3147-55-5)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P264-P271-P280-P302+P352-P305+P351+P338
Target organsRespiratory system
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)22-24/25-37/39-26
Water hazard class (WGK)3
Hazard NoteIrritant
TSCA inventory statusTSCA listed
Customs code29182990
Storage class11 - Combustible Solids
Hazard classEye Irrit. 2Skin Irrit. 2STOT SE 3

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 8 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
TSCA inventory statusTSCA listed
Customs code29182990
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
hazard_noteIrritant
Safety statements (S)22-24/25-37/39-26
Storage class11 - Combustible Solids
Target organsRespiratory system
GHS hazard statementsH315-H319-H335
Hazard classEye Irrit. 2Skin Irrit. 2STOT SE 3
GHS precautionary statementsP261-P264-P271-P280-P302+P352-P305+P351+P338