Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

Build a label

Substance profile

Sulfosulfuron

Sulfosulfuron is white crystals and is odorless.

CAS 141776-32-1 C16H18N6O7S2 470.5 g/mol Warning

01 · Identification

What Sulfosulfuron is

Sulfosulfuron is white crystals and is odorless. Its molecular formula is C16H18N6O7S2 and its molecular weight is 470.5 g/mol. It melts at 201 °C.

Under the GHS it carries the signal word Warning.

CAS number141776-32-1
Index number616-109-00-7
Molecular formulaC16H18N6O7S2
Molecular weight470.5 g/mol

Other names for Sulfosulfuron

  • sulfosulfuron (ISO)
  • 1-(4,6-dimethoxypyrimidin-2-yl)-3-(2-ethylsulfonylimidazo[1,2-a]pyridin-3-yl)sulfonylurea

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.

Signal wordWarning
Hazard statements assigned to Sulfosulfuron
CodeHazard statement
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P273, P391, P501

03 · Physical and chemical properties

Sulfosulfuron 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 201.4 °C (394.5 °F) range, midpoint shown HSDB
Density 1.5185 g/cm³ at 20 °C HSDB
Solubility In acetone 0.71, methanol 0.33, ethyl acetate 1.01, dichloromethane 4.35, xylene 0.16, heptane <0.01 (all in g/L, 20 °C) at 20 °C HSDB
In water, 17.6 (pH 5), 1627 (pH 7), 482 (pH 9) (all in mg/L, 20 °C) at 20 °C HSDB
In water, 18 mg/L at 20 °C, pH 5 at 20 °C HSDB
Vapor pressure 0.2325 mmHg at 20 °C HSDB
6.61e-10 mmHg at 25 °C HSDB

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Handling and storage

Storing and handling Sulfosulfuron

Storage conditions

Do not contaminate water, food, or feed by storage and disposal. Store under cool, dry conditions (below 120 °F). Do not store under moist conditions. /Maverick Herbicide/

Source: Hazardous Substances Data Bank (HSDB)

Planning storage for a mix of chemicals? Check Sulfosulfuron in the storage compatibility matrix →

Get the free GHS / CLP / OSHA deadline calendar

Verified 2026–2029 compliance dates in one PDF — plus alerts when the rules change.