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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2735458Generated: October 23, 2026

1,2,3-Benzothiadiazole-5-carboxylic acid

1,2,3-Benzothiazole-5-carboxylic acid · Foramsulfuron Impurity 1(nicosulfuron) · 1,2,3-BENZOTHIADIAZOLE-5-CARBOXYLIC ACID · BENZO-1,2,3-THIADIAZOLE-5-CARBOXYLIC ACID · 5-Carboxy-1,2,3-benzothiadiazole, Benzo[d][1,2,3]thiadiazole-5-carboxylic acid

https://huagongshe.com/en/chemical/2735458

1,2,3-Benzothiadiazole-5-carboxylic acid molecular structure

Identifiers & Physical Properties

CAS No.192948-09-7
Molecular formulaC7H4N2O2S
Average molar mass180.19 g/mol
Monoisotopic mass179.99934855 g/mol
SMILESO=C(O)c1ccc2snnc2c1
InChIKeyOUIALVLMUYKKKS-UHFFFAOYSA-N
PubChem CID2735458
EC No.811-176-0
DTXSIDDTXSID60370736

Chemical & Physical Properties

XLogP1.4
Topological polar surface area91.3
Hydrogen bond donors1
Hydrogen bond acceptors5
Rotatable bonds1
Heavy atoms12
Formal charge0
Complexity200
Melting point221-225°C
Boiling point385.2±34.0 °C(Predicted)
Density1.608±0.06 g/cm3(Predicted)
Storage conditionsStore at room temperature
pKa (acidity coefficient)3.21±0.30(Predicted)
AppearanceOff-white to light brown Solid
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP271-P261-P280
Hazard symbolsXi
Safety statements (S)24/25
Hazard NoteIrritant
Customs code2934999090

Safety & Regulations

GHS classificationWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesAcute Tox. 4 (100%)Skin Irrit. 2 (100%)Eye Irrit. 2A (100%)STOT SE 3 (100%)
Customs code2934999090
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
hazard_noteIrritant
Safety statements (S)24/25
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP271-P261-P280