Substance profile
Bentazon
Bentazon is colorless crystals; tech and is odorless.
01 · Identification
What Bentazon is
Bentazon is colorless crystals; tech and is odorless. Its molecular formula is C10H12N2O3S and its molecular weight is 240.28 g/mol. It melts at 140 °C.
Under the GHS it carries the signal word Warning.
Other names for Bentazon
- bentazone (ISO)
- 3-isopropyl-2,1,3-benzothiadiazine-4-one-2,2-dioxide
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H361d | Suspected of damaging the unborn child. |
| H302 | Harmful if swallowed. |
| H319 | Causes serious eye irritation. |
| H317 | May cause an allergic skin reaction. |
Precautionary statements: P261, P264, P270, P272, P280, P301, P305, P312, P313, P330, P333, P337, P338
03 · Physical and chemical properties
Bentazon properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 139.7 °C (283.5 °F) | HSDB | |
| 138 °C (280.4 °F) | range, midpoint shown | ICSC | |
| 200 °C (392 °F) | decomposes | HSDB | |
| Density | 1.41 g/cm³ | at 20 °C | HSDB |
| Solubility | Solubility: xylene < 1 g/100 g (at 20 °C). | at 20 °C, Technical bentazon | HSDB |
| In water, 500 mg/L at 20 °C | at 20 °C | HSDB | |
| In water 570 mg/L (pH 7, 20 °C) | at 20 °C | HSDB | |
| Vapor pressure | 4.05e-8 mmHg | at 20 °C | HSDB |
| 0.00000345 mmHg | Haz-Map | ||
| Vapor pressure, Pa at 20 °C: | at 20 °C | ICSC | |
| Corrosivity | Not corrosive | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Bentazon
Storage conditions
Keep container tightly closed in a dry and well-ventilated place.
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Bentazon in the storage compatibility matrix →