Provenance

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

Build a label

Substance profile

Prosulfuron

Prosulfuron is colorless crystals and is odorless.

CAS 94125-34-5 C15H16F3N5O4S 419.4 g/mol Warning

01 · Identification

What Prosulfuron is

Prosulfuron is colorless crystals and is odorless. Its molecular formula is C15H16F3N5O4S and its molecular weight is 419.4 g/mol. It melts at 155 °C.

Under the GHS it carries the signal word Warning.

CAS number94125-34-5
EC number-
Index number016-084-00-7
Molecular formulaC15H16F3N5O4S
Molecular weight419.4 g/mol

Other names for Prosulfuron

  • prosulfuron (ISO)
  • 1-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)-3-[2-(3,3,3-trifluoropropyl)phenylsulfonyl]urea

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 Prosulfuron
CodeHazard statement
H302 Harmful if swallowed.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P270, P273, P301, P312, P330, P391, P501

03 · Physical and chemical properties

Prosulfuron 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 155 °C (311 °F) decomp. HSDB
Density 1.45 g/cm³ at 20 °C HSDB
Solubility In water, 29 mg/L (pH 4.5), 87 mg/L (pH 5.0), 4000 mg/L (pH 6.8), 43000 mg/L (pH 7.7) at 25 °C at 25 °C HSDB
Solubility in g/L at 25 °C: ethanol 8.4, acetone 160, toluene 6.1, n-hexane 0.0064, n-octanol 1.4, ethyl acetate 56, dichloromethane 180 at 25 °C HSDB
Vapor pressure 2.63e-8 mmHg below this value, at 25 °C HSDB
Flash point 100 °C (212 °F) HSDB

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

04 · Handling and storage

Storing and handling Prosulfuron

Storage conditions

Keep container tightly closed in a dry and well-ventilated place.

Source: Hazardous Substances Data Bank (HSDB)

Incompatible materials

Incompatible materials: Strong oxidizing agents.

Source: Hazardous Substances Data Bank (HSDB)

Planning storage for a mix of chemicals? Check Prosulfuron 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.